/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:46:16,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:46:16,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:46:16,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:46:16,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:46:16,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:46:16,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:46:16,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:46:16,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:46:16,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:46:16,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:46:16,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:46:16,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:46:16,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:46:16,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:46:16,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:46:16,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:46:16,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:46:16,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:46:16,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:46:16,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:46:16,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:46:16,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:46:16,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:46:16,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:46:16,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:46:16,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:46:16,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:46:16,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:46:16,515 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:46:16,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:46:16,516 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:46:16,516 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:46:16,518 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:46:16,518 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:46:16,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:46:16,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:46:16,521 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:46:16,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:46:16,522 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:46:16,522 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:46:16,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:46:16,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:46:16,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:46:16,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:46:16,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:46:16,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:46:16,524 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:46:16,524 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:46:16,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:46:16,524 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:46:16,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:46:16,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:46:16,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:46:16,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:46:16,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:46:16,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:46:16,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:46:16,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:46:16,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:46:16,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:46:16,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:46:16,527 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:46:16,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:46:16,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:46:16,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:46:16,931 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:46:16,931 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:46:16,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-16 15:46:17,019 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8a30c09/6f11112e510441a0b42fb1443c4d7fbe/FLAGb5ce3aa43 [2022-10-16 15:46:17,795 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:46:17,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-16 15:46:17,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8a30c09/6f11112e510441a0b42fb1443c4d7fbe/FLAGb5ce3aa43 [2022-10-16 15:46:18,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8a30c09/6f11112e510441a0b42fb1443c4d7fbe [2022-10-16 15:46:18,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:46:18,029 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:46:18,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:46:18,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:46:18,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:46:18,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:18,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17652b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18, skipping insertion in model container [2022-10-16 15:46:18,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:18,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:46:18,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:46:18,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[14519,14532] [2022-10-16 15:46:18,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:46:18,644 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:46:18,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[14519,14532] [2022-10-16 15:46:18,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:46:18,985 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:46:18,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18 WrapperNode [2022-10-16 15:46:18,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:46:18,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:46:18,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:46:18,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:46:19,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:19,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:19,154 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1311 [2022-10-16 15:46:19,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:46:19,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:46:19,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:46:19,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:46:19,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:19,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:19,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:19,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:19,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:19,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:19,234 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:19,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:19,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:46:19,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:46:19,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:46:19,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:46:19,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (1/1) ... [2022-10-16 15:46:19,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:46:19,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:46:19,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:46:19,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:46:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:46:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:46:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:46:19,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:46:19,608 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:46:19,611 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:46:20,969 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:46:20,984 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:46:20,984 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:46:20,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:46:20 BoogieIcfgContainer [2022-10-16 15:46:20,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:46:20,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:46:20,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:46:20,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:46:20,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:46:18" (1/3) ... [2022-10-16 15:46:20,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1217c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:46:20, skipping insertion in model container [2022-10-16 15:46:20,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:46:18" (2/3) ... [2022-10-16 15:46:20,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1217c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:46:20, skipping insertion in model container [2022-10-16 15:46:20,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:46:20" (3/3) ... [2022-10-16 15:46:20,998 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-16 15:46:21,020 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:46:21,020 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 128 error locations. [2022-10-16 15:46:21,099 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:46:21,108 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;@2f96b8e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:46:21,109 INFO L358 AbstractCegarLoop]: Starting to check reachability of 128 error locations. [2022-10-16 15:46:21,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 559 states, 430 states have (on average 1.8488372093023255) internal successors, (795), 558 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:21,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:46:21,130 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:21,131 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:21,132 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:46:21,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:21,139 INFO L85 PathProgramCache]: Analyzing trace with hash -379084901, now seen corresponding path program 1 times [2022-10-16 15:46:21,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:21,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015775050] [2022-10-16 15:46:21,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:21,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:21,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:21,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015775050] [2022-10-16 15:46:21,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015775050] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:21,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:21,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:21,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339965079] [2022-10-16 15:46:21,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:21,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:21,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:21,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:21,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:21,900 INFO L87 Difference]: Start difference. First operand has 559 states, 430 states have (on average 1.8488372093023255) internal successors, (795), 558 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:22,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:22,339 INFO L93 Difference]: Finished difference Result 786 states and 1106 transitions. [2022-10-16 15:46:22,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:22,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-16 15:46:22,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:22,367 INFO L225 Difference]: With dead ends: 786 [2022-10-16 15:46:22,367 INFO L226 Difference]: Without dead ends: 766 [2022-10-16 15:46:22,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:22,378 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 721 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:22,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 856 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:46:22,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2022-10-16 15:46:22,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 716. [2022-10-16 15:46:22,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 594 states have (on average 1.6531986531986531) internal successors, (982), 715 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:22,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 982 transitions. [2022-10-16 15:46:22,563 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 982 transitions. Word has length 59 [2022-10-16 15:46:22,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:22,564 INFO L495 AbstractCegarLoop]: Abstraction has 716 states and 982 transitions. [2022-10-16 15:46:22,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:22,565 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 982 transitions. [2022-10-16 15:46:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 15:46:22,569 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:22,570 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] [2022-10-16 15:46:22,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:46:22,570 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:46:22,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:22,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1133270209, now seen corresponding path program 1 times [2022-10-16 15:46:22,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:22,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336139664] [2022-10-16 15:46:22,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:22,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:22,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:22,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:22,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336139664] [2022-10-16 15:46:22,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336139664] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:22,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:22,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:22,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136715591] [2022-10-16 15:46:22,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:22,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:22,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:22,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:22,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:22,784 INFO L87 Difference]: Start difference. First operand 716 states and 982 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:23,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:23,076 INFO L93 Difference]: Finished difference Result 771 states and 982 transitions. [2022-10-16 15:46:23,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:23,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-16 15:46:23,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:23,085 INFO L225 Difference]: With dead ends: 771 [2022-10-16 15:46:23,086 INFO L226 Difference]: Without dead ends: 760 [2022-10-16 15:46:23,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:23,094 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 612 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:23,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 770 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:23,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2022-10-16 15:46:23,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 710. [2022-10-16 15:46:23,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 594 states have (on average 1.6346801346801347) internal successors, (971), 709 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 971 transitions. [2022-10-16 15:46:23,155 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 971 transitions. Word has length 60 [2022-10-16 15:46:23,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:23,157 INFO L495 AbstractCegarLoop]: Abstraction has 710 states and 971 transitions. [2022-10-16 15:46:23,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:23,158 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 971 transitions. [2022-10-16 15:46:23,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 15:46:23,165 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:23,165 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] [2022-10-16 15:46:23,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:46:23,166 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:46:23,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:23,170 INFO L85 PathProgramCache]: Analyzing trace with hash 771638365, now seen corresponding path program 1 times [2022-10-16 15:46:23,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:23,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557570309] [2022-10-16 15:46:23,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:23,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:23,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:23,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:23,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557570309] [2022-10-16 15:46:23,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557570309] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:23,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:23,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:23,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680188303] [2022-10-16 15:46:23,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:23,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:23,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:23,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:23,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:23,428 INFO L87 Difference]: Start difference. First operand 710 states and 971 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:23,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:23,693 INFO L93 Difference]: Finished difference Result 890 states and 1246 transitions. [2022-10-16 15:46:23,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:23,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2022-10-16 15:46:23,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:23,700 INFO L225 Difference]: With dead ends: 890 [2022-10-16 15:46:23,700 INFO L226 Difference]: Without dead ends: 879 [2022-10-16 15:46:23,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:23,703 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 606 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:23,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 672 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:23,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2022-10-16 15:46:23,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 865. [2022-10-16 15:46:23,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 758 states have (on average 1.6240105540897098) internal successors, (1231), 864 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:23,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1231 transitions. [2022-10-16 15:46:23,753 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1231 transitions. Word has length 61 [2022-10-16 15:46:23,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:23,754 INFO L495 AbstractCegarLoop]: Abstraction has 865 states and 1231 transitions. [2022-10-16 15:46:23,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:23,755 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1231 transitions. [2022-10-16 15:46:23,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 15:46:23,756 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:23,756 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] [2022-10-16 15:46:23,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:46:23,756 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:46:23,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:23,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1849014205, now seen corresponding path program 1 times [2022-10-16 15:46:23,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:23,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003682733] [2022-10-16 15:46:23,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:23,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:23,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:23,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:23,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003682733] [2022-10-16 15:46:23,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003682733] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:23,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:23,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:23,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489344530] [2022-10-16 15:46:23,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:23,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:23,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:23,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:23,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:23,906 INFO L87 Difference]: Start difference. First operand 865 states and 1231 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:24,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:24,194 INFO L93 Difference]: Finished difference Result 1206 states and 1741 transitions. [2022-10-16 15:46:24,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:24,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2022-10-16 15:46:24,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:24,201 INFO L225 Difference]: With dead ends: 1206 [2022-10-16 15:46:24,202 INFO L226 Difference]: Without dead ends: 1195 [2022-10-16 15:46:24,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:24,204 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 593 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:24,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [593 Valid, 706 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:24,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2022-10-16 15:46:24,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 1157. [2022-10-16 15:46:24,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1056 states have (on average 1.6335227272727273) internal successors, (1725), 1156 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:24,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1725 transitions. [2022-10-16 15:46:24,281 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1725 transitions. Word has length 62 [2022-10-16 15:46:24,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:24,281 INFO L495 AbstractCegarLoop]: Abstraction has 1157 states and 1725 transitions. [2022-10-16 15:46:24,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:24,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1725 transitions. [2022-10-16 15:46:24,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 15:46:24,282 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:24,283 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] [2022-10-16 15:46:24,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:46:24,283 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:46:24,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:24,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1213817829, now seen corresponding path program 1 times [2022-10-16 15:46:24,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:24,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962155708] [2022-10-16 15:46:24,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:24,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:24,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:24,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:24,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962155708] [2022-10-16 15:46:24,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962155708] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:24,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:24,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:24,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975449703] [2022-10-16 15:46:24,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:24,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:24,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:24,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:24,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:24,465 INFO L87 Difference]: Start difference. First operand 1157 states and 1725 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:24,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:24,799 INFO L93 Difference]: Finished difference Result 1590 states and 2377 transitions. [2022-10-16 15:46:24,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:46:24,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-16 15:46:24,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:24,810 INFO L225 Difference]: With dead ends: 1590 [2022-10-16 15:46:24,811 INFO L226 Difference]: Without dead ends: 1587 [2022-10-16 15:46:24,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:24,815 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 879 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 879 SdHoareTripleChecker+Valid, 1092 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:24,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [879 Valid, 1092 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:24,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2022-10-16 15:46:24,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 1154. [2022-10-16 15:46:24,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1056 states have (on average 1.6306818181818181) internal successors, (1722), 1153 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:24,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1722 transitions. [2022-10-16 15:46:24,919 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1722 transitions. Word has length 64 [2022-10-16 15:46:24,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:24,919 INFO L495 AbstractCegarLoop]: Abstraction has 1154 states and 1722 transitions. [2022-10-16 15:46:24,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:24,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1722 transitions. [2022-10-16 15:46:24,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 15:46:24,921 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:24,921 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] [2022-10-16 15:46:24,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:46:24,922 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:46:24,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:24,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1026352702, now seen corresponding path program 1 times [2022-10-16 15:46:24,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:24,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763940652] [2022-10-16 15:46:24,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:24,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:25,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:25,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:25,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763940652] [2022-10-16 15:46:25,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763940652] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:25,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:25,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:25,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897353435] [2022-10-16 15:46:25,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:25,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:25,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:25,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:25,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:25,030 INFO L87 Difference]: Start difference. First operand 1154 states and 1722 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:25,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:25,516 INFO L93 Difference]: Finished difference Result 1585 states and 2374 transitions. [2022-10-16 15:46:25,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:46:25,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2022-10-16 15:46:25,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:25,540 INFO L225 Difference]: With dead ends: 1585 [2022-10-16 15:46:25,540 INFO L226 Difference]: Without dead ends: 1580 [2022-10-16 15:46:25,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:25,548 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 1448 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:25,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 815 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:46:25,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2022-10-16 15:46:25,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1524. [2022-10-16 15:46:25,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1524 states, 1429 states have (on average 1.650104968509447) internal successors, (2358), 1523 states have internal predecessors, (2358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:25,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1524 states and 2358 transitions. [2022-10-16 15:46:25,695 INFO L78 Accepts]: Start accepts. Automaton has 1524 states and 2358 transitions. Word has length 65 [2022-10-16 15:46:25,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:25,695 INFO L495 AbstractCegarLoop]: Abstraction has 1524 states and 2358 transitions. [2022-10-16 15:46:25,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:25,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1524 states and 2358 transitions. [2022-10-16 15:46:25,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 15:46:25,697 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:25,697 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] [2022-10-16 15:46:25,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:46:25,697 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:46:25,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:25,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1517539972, now seen corresponding path program 1 times [2022-10-16 15:46:25,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:25,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297473058] [2022-10-16 15:46:25,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:25,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:25,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:25,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:25,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297473058] [2022-10-16 15:46:25,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297473058] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:25,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:25,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:25,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345625698] [2022-10-16 15:46:25,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:25,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:25,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:25,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:25,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:25,806 INFO L87 Difference]: Start difference. First operand 1524 states and 2358 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:26,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:26,224 INFO L93 Difference]: Finished difference Result 2281 states and 3573 transitions. [2022-10-16 15:46:26,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:46:26,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2022-10-16 15:46:26,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:26,240 INFO L225 Difference]: With dead ends: 2281 [2022-10-16 15:46:26,240 INFO L226 Difference]: Without dead ends: 2278 [2022-10-16 15:46:26,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:26,247 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 880 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:26,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 1061 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:26,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2022-10-16 15:46:26,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 1521. [2022-10-16 15:46:26,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1429 states have (on average 1.6480055983205038) internal successors, (2355), 1520 states have internal predecessors, (2355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:26,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2355 transitions. [2022-10-16 15:46:26,381 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2355 transitions. Word has length 67 [2022-10-16 15:46:26,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:26,382 INFO L495 AbstractCegarLoop]: Abstraction has 1521 states and 2355 transitions. [2022-10-16 15:46:26,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:26,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2355 transitions. [2022-10-16 15:46:26,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 15:46:26,383 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:26,384 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] [2022-10-16 15:46:26,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:46:26,384 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:46:26,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:26,385 INFO L85 PathProgramCache]: Analyzing trace with hash -200900854, now seen corresponding path program 1 times [2022-10-16 15:46:26,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:26,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191474850] [2022-10-16 15:46:26,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:26,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:26,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:26,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:26,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191474850] [2022-10-16 15:46:26,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191474850] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:26,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:26,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:26,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021166438] [2022-10-16 15:46:26,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:26,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:26,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:26,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:26,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:26,507 INFO L87 Difference]: Start difference. First operand 1521 states and 2355 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:26,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:26,938 INFO L93 Difference]: Finished difference Result 2276 states and 3570 transitions. [2022-10-16 15:46:26,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:46:26,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2022-10-16 15:46:26,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:26,950 INFO L225 Difference]: With dead ends: 2276 [2022-10-16 15:46:26,951 INFO L226 Difference]: Without dead ends: 2271 [2022-10-16 15:46:26,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:26,954 INFO L413 NwaCegarLoop]: 494 mSDtfsCounter, 1408 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1408 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:26,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1408 Valid, 794 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:26,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2271 states. [2022-10-16 15:46:27,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2271 to 2213. [2022-10-16 15:46:27,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 2124 states have (on average 1.6685499058380415) internal successors, (3544), 2212 states have internal predecessors, (3544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:27,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 3544 transitions. [2022-10-16 15:46:27,155 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 3544 transitions. Word has length 68 [2022-10-16 15:46:27,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:27,155 INFO L495 AbstractCegarLoop]: Abstraction has 2213 states and 3544 transitions. [2022-10-16 15:46:27,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:27,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 3544 transitions. [2022-10-16 15:46:27,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:46:27,163 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:27,164 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] [2022-10-16 15:46:27,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:46:27,167 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:46:27,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:27,167 INFO L85 PathProgramCache]: Analyzing trace with hash 207816364, now seen corresponding path program 1 times [2022-10-16 15:46:27,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:27,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852315429] [2022-10-16 15:46:27,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:27,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:27,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:27,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:27,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852315429] [2022-10-16 15:46:27,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852315429] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:27,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:27,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:27,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769804397] [2022-10-16 15:46:27,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:27,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:27,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:27,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:27,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:27,282 INFO L87 Difference]: Start difference. First operand 2213 states and 3544 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:27,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:27,753 INFO L93 Difference]: Finished difference Result 3819 states and 6220 transitions. [2022-10-16 15:46:27,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:46:27,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2022-10-16 15:46:27,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:27,776 INFO L225 Difference]: With dead ends: 3819 [2022-10-16 15:46:27,776 INFO L226 Difference]: Without dead ends: 3816 [2022-10-16 15:46:27,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:27,783 INFO L413 NwaCegarLoop]: 576 mSDtfsCounter, 881 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:27,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [881 Valid, 1117 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:46:27,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3816 states. [2022-10-16 15:46:28,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3816 to 2210. [2022-10-16 15:46:28,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2210 states, 2124 states have (on average 1.6671374764595104) internal successors, (3541), 2209 states have internal predecessors, (3541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:28,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 2210 states and 3541 transitions. [2022-10-16 15:46:28,089 INFO L78 Accepts]: Start accepts. Automaton has 2210 states and 3541 transitions. Word has length 70 [2022-10-16 15:46:28,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:28,089 INFO L495 AbstractCegarLoop]: Abstraction has 2210 states and 3541 transitions. [2022-10-16 15:46:28,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:28,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 3541 transitions. [2022-10-16 15:46:28,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:46:28,091 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:28,091 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] [2022-10-16 15:46:28,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:46:28,091 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:46:28,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:28,092 INFO L85 PathProgramCache]: Analyzing trace with hash 2147340265, now seen corresponding path program 1 times [2022-10-16 15:46:28,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:28,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602267844] [2022-10-16 15:46:28,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:28,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:28,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:28,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:28,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602267844] [2022-10-16 15:46:28,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602267844] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:28,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:28,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:28,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804515004] [2022-10-16 15:46:28,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:28,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:28,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:28,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:28,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:28,199 INFO L87 Difference]: Start difference. First operand 2210 states and 3541 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:28,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:28,744 INFO L93 Difference]: Finished difference Result 4003 states and 6535 transitions. [2022-10-16 15:46:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:46:28,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2022-10-16 15:46:28,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:28,768 INFO L225 Difference]: With dead ends: 4003 [2022-10-16 15:46:28,769 INFO L226 Difference]: Without dead ends: 3998 [2022-10-16 15:46:28,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:28,773 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 1381 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1381 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:28,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1381 Valid, 869 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:28,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3998 states. [2022-10-16 15:46:29,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3998 to 3931. [2022-10-16 15:46:29,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3931 states, 3848 states have (on average 1.6845114345114345) internal successors, (6482), 3930 states have internal predecessors, (6482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:29,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3931 states to 3931 states and 6482 transitions. [2022-10-16 15:46:29,176 INFO L78 Accepts]: Start accepts. Automaton has 3931 states and 6482 transitions. Word has length 71 [2022-10-16 15:46:29,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:29,176 INFO L495 AbstractCegarLoop]: Abstraction has 3931 states and 6482 transitions. [2022-10-16 15:46:29,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:29,177 INFO L276 IsEmpty]: Start isEmpty. Operand 3931 states and 6482 transitions. [2022-10-16 15:46:29,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 15:46:29,177 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:29,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:29,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:46:29,178 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:46:29,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:29,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1200192183, now seen corresponding path program 1 times [2022-10-16 15:46:29,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:29,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759581546] [2022-10-16 15:46:29,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:29,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:29,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:29,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:29,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759581546] [2022-10-16 15:46:29,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759581546] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:29,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:29,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:29,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774475815] [2022-10-16 15:46:29,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:29,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:29,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:29,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:29,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:29,288 INFO L87 Difference]: Start difference. First operand 3931 states and 6482 transitions. Second operand has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:30,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:30,454 INFO L93 Difference]: Finished difference Result 9293 states and 15534 transitions. [2022-10-16 15:46:30,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:46:30,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 15:46:30,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:30,513 INFO L225 Difference]: With dead ends: 9293 [2022-10-16 15:46:30,513 INFO L226 Difference]: Without dead ends: 9286 [2022-10-16 15:46:30,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:30,522 INFO L413 NwaCegarLoop]: 1059 mSDtfsCounter, 1109 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:30,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1109 Valid, 1866 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:30,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9286 states. [2022-10-16 15:46:31,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9286 to 6556. [2022-10-16 15:46:31,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6556 states, 6476 states have (on average 1.6937924644842495) internal successors, (10969), 6555 states have internal predecessors, (10969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:31,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6556 states to 6556 states and 10969 transitions. [2022-10-16 15:46:31,313 INFO L78 Accepts]: Start accepts. Automaton has 6556 states and 10969 transitions. Word has length 81 [2022-10-16 15:46:31,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:31,314 INFO L495 AbstractCegarLoop]: Abstraction has 6556 states and 10969 transitions. [2022-10-16 15:46:31,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:31,315 INFO L276 IsEmpty]: Start isEmpty. Operand 6556 states and 10969 transitions. [2022-10-16 15:46:31,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 15:46:31,315 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:31,316 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:31,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:46:31,316 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:46:31,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:31,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1448747683, now seen corresponding path program 1 times [2022-10-16 15:46:31,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:31,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484129520] [2022-10-16 15:46:31,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:31,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:31,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:31,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:31,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484129520] [2022-10-16 15:46:31,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484129520] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:31,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:31,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:46:31,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846843553] [2022-10-16 15:46:31,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:31,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:46:31,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:31,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:46:31,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:46:31,427 INFO L87 Difference]: Start difference. First operand 6556 states and 10969 transitions. Second operand has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:32,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:32,431 INFO L93 Difference]: Finished difference Result 9840 states and 16503 transitions. [2022-10-16 15:46:32,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:46:32,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 15:46:32,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:32,465 INFO L225 Difference]: With dead ends: 9840 [2022-10-16 15:46:32,466 INFO L226 Difference]: Without dead ends: 9833 [2022-10-16 15:46:32,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:32,474 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 1363 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1363 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:32,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1363 Valid, 928 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:46:32,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9833 states. [2022-10-16 15:46:33,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9833 to 9785. [2022-10-16 15:46:33,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9785 states, 9708 states have (on average 1.6909765142150803) internal successors, (16416), 9784 states have internal predecessors, (16416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:33,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9785 states to 9785 states and 16416 transitions. [2022-10-16 15:46:33,364 INFO L78 Accepts]: Start accepts. Automaton has 9785 states and 16416 transitions. Word has length 82 [2022-10-16 15:46:33,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:33,364 INFO L495 AbstractCegarLoop]: Abstraction has 9785 states and 16416 transitions. [2022-10-16 15:46:33,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:33,365 INFO L276 IsEmpty]: Start isEmpty. Operand 9785 states and 16416 transitions. [2022-10-16 15:46:33,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 15:46:33,366 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:33,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:33,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:46:33,366 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:46:33,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:33,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1961504903, now seen corresponding path program 1 times [2022-10-16 15:46:33,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:33,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970152993] [2022-10-16 15:46:33,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:33,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:33,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:33,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:33,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970152993] [2022-10-16 15:46:33,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970152993] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:33,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:33,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:46:33,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339227946] [2022-10-16 15:46:33,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:33,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:46:33,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:33,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:46:33,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:33,541 INFO L87 Difference]: Start difference. First operand 9785 states and 16416 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:36,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:36,500 INFO L93 Difference]: Finished difference Result 33053 states and 55717 transitions. [2022-10-16 15:46:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:46:36,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-16 15:46:36,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:36,566 INFO L225 Difference]: With dead ends: 33053 [2022-10-16 15:46:36,566 INFO L226 Difference]: Without dead ends: 23916 [2022-10-16 15:46:36,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:46:36,593 INFO L413 NwaCegarLoop]: 1234 mSDtfsCounter, 1841 mSDsluCounter, 1948 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1841 SdHoareTripleChecker+Valid, 3182 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:36,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1841 Valid, 3182 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:46:36,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23916 states. [2022-10-16 15:46:38,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23916 to 18544. [2022-10-16 15:46:38,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18544 states, 18470 states have (on average 1.687547374120195) internal successors, (31169), 18543 states have internal predecessors, (31169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:38,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18544 states to 18544 states and 31169 transitions. [2022-10-16 15:46:38,360 INFO L78 Accepts]: Start accepts. Automaton has 18544 states and 31169 transitions. Word has length 83 [2022-10-16 15:46:38,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:38,361 INFO L495 AbstractCegarLoop]: Abstraction has 18544 states and 31169 transitions. [2022-10-16 15:46:38,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:38,362 INFO L276 IsEmpty]: Start isEmpty. Operand 18544 states and 31169 transitions. [2022-10-16 15:46:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 15:46:38,363 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:38,363 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:38,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:46:38,364 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:46:38,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:38,364 INFO L85 PathProgramCache]: Analyzing trace with hash -677109537, now seen corresponding path program 1 times [2022-10-16 15:46:38,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:38,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872318089] [2022-10-16 15:46:38,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:38,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:38,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:38,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:38,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872318089] [2022-10-16 15:46:38,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872318089] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:38,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:38,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:46:38,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716329394] [2022-10-16 15:46:38,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:38,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:46:38,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:38,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:46:38,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:46:38,496 INFO L87 Difference]: Start difference. First operand 18544 states and 31169 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:41,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:41,280 INFO L93 Difference]: Finished difference Result 24981 states and 41947 transitions. [2022-10-16 15:46:41,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:46:41,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-16 15:46:41,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:41,344 INFO L225 Difference]: With dead ends: 24981 [2022-10-16 15:46:41,344 INFO L226 Difference]: Without dead ends: 24974 [2022-10-16 15:46:41,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:46:41,356 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 2580 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2580 SdHoareTripleChecker+Valid, 1379 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:41,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2580 Valid, 1379 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:46:41,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24974 states. [2022-10-16 15:46:43,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24974 to 24857. [2022-10-16 15:46:43,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24857 states, 24786 states have (on average 1.6826030823852174) internal successors, (41705), 24856 states have internal predecessors, (41705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:43,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24857 states to 24857 states and 41705 transitions. [2022-10-16 15:46:43,839 INFO L78 Accepts]: Start accepts. Automaton has 24857 states and 41705 transitions. Word has length 84 [2022-10-16 15:46:43,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:43,840 INFO L495 AbstractCegarLoop]: Abstraction has 24857 states and 41705 transitions. [2022-10-16 15:46:43,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:43,840 INFO L276 IsEmpty]: Start isEmpty. Operand 24857 states and 41705 transitions. [2022-10-16 15:46:43,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 15:46:43,841 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:43,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:46:43,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:46:43,842 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:46:43,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:43,842 INFO L85 PathProgramCache]: Analyzing trace with hash 896441444, now seen corresponding path program 1 times [2022-10-16 15:46:43,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:43,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418660158] [2022-10-16 15:46:43,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:43,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:43,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:43,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:43,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418660158] [2022-10-16 15:46:43,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418660158] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:43,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:43,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:43,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800569244] [2022-10-16 15:46:43,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:43,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:43,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:43,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:43,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:43,946 INFO L87 Difference]: Start difference. First operand 24857 states and 41705 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:46,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:46,739 INFO L93 Difference]: Finished difference Result 24857 states and 41705 transitions. [2022-10-16 15:46:46,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:46,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-10-16 15:46:46,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:46,800 INFO L225 Difference]: With dead ends: 24857 [2022-10-16 15:46:46,800 INFO L226 Difference]: Without dead ends: 24855 [2022-10-16 15:46:46,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:46,813 INFO L413 NwaCegarLoop]: 634 mSDtfsCounter, 43 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 1161 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:46,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 1161 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:46:46,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24855 states. [2022-10-16 15:46:49,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24855 to 24855. [2022-10-16 15:46:49,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24855 states, 24786 states have (on average 1.6825223916727186) internal successors, (41703), 24854 states have internal predecessors, (41703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:49,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24855 states to 24855 states and 41703 transitions. [2022-10-16 15:46:49,445 INFO L78 Accepts]: Start accepts. Automaton has 24855 states and 41703 transitions. Word has length 88 [2022-10-16 15:46:49,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:49,450 INFO L495 AbstractCegarLoop]: Abstraction has 24855 states and 41703 transitions. [2022-10-16 15:46:49,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:49,450 INFO L276 IsEmpty]: Start isEmpty. Operand 24855 states and 41703 transitions. [2022-10-16 15:46:49,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:46:49,451 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:49,452 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] [2022-10-16 15:46:49,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:46:49,453 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:46:49,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:49,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1792765993, now seen corresponding path program 1 times [2022-10-16 15:46:49,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:49,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092917727] [2022-10-16 15:46:49,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:49,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:49,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:49,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:49,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092917727] [2022-10-16 15:46:49,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092917727] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:49,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:49,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:49,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085494350] [2022-10-16 15:46:49,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:49,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:49,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:49,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:49,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:49,578 INFO L87 Difference]: Start difference. First operand 24855 states and 41703 transitions. Second operand has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:51,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:51,896 INFO L93 Difference]: Finished difference Result 24855 states and 41703 transitions. [2022-10-16 15:46:51,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:51,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2022-10-16 15:46:51,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:51,944 INFO L225 Difference]: With dead ends: 24855 [2022-10-16 15:46:51,944 INFO L226 Difference]: Without dead ends: 24852 [2022-10-16 15:46:51,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:51,954 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 541 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:51,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 591 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:46:51,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24852 states. [2022-10-16 15:46:54,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24852 to 24852. [2022-10-16 15:46:54,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24852 states, 24786 states have (on average 1.673525377229081) internal successors, (41480), 24851 states have internal predecessors, (41480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:54,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24852 states to 24852 states and 41480 transitions. [2022-10-16 15:46:54,285 INFO L78 Accepts]: Start accepts. Automaton has 24852 states and 41480 transitions. Word has length 92 [2022-10-16 15:46:54,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:54,285 INFO L495 AbstractCegarLoop]: Abstraction has 24852 states and 41480 transitions. [2022-10-16 15:46:54,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:54,286 INFO L276 IsEmpty]: Start isEmpty. Operand 24852 states and 41480 transitions. [2022-10-16 15:46:54,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:46:54,287 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:54,287 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] [2022-10-16 15:46:54,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:46:54,287 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:46:54,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:54,288 INFO L85 PathProgramCache]: Analyzing trace with hash -258828728, now seen corresponding path program 1 times [2022-10-16 15:46:54,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:54,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325597201] [2022-10-16 15:46:54,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:54,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:54,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:54,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:54,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325597201] [2022-10-16 15:46:54,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325597201] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:54,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:54,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:54,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240473878] [2022-10-16 15:46:54,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:54,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:54,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:54,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:54,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:54,398 INFO L87 Difference]: Start difference. First operand 24852 states and 41480 transitions. Second operand has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:56,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:46:56,582 INFO L93 Difference]: Finished difference Result 24852 states and 41480 transitions. [2022-10-16 15:46:56,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:46:56,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 15:46:56,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:46:56,621 INFO L225 Difference]: With dead ends: 24852 [2022-10-16 15:46:56,621 INFO L226 Difference]: Without dead ends: 24849 [2022-10-16 15:46:56,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:56,629 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 537 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:46:56,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 591 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:46:56,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24849 states. [2022-10-16 15:46:59,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24849 to 24849. [2022-10-16 15:46:59,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24849 states, 24786 states have (on average 1.6645283627854435) internal successors, (41257), 24848 states have internal predecessors, (41257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:59,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24849 states to 24849 states and 41257 transitions. [2022-10-16 15:46:59,080 INFO L78 Accepts]: Start accepts. Automaton has 24849 states and 41257 transitions. Word has length 93 [2022-10-16 15:46:59,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:46:59,080 INFO L495 AbstractCegarLoop]: Abstraction has 24849 states and 41257 transitions. [2022-10-16 15:46:59,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:46:59,081 INFO L276 IsEmpty]: Start isEmpty. Operand 24849 states and 41257 transitions. [2022-10-16 15:46:59,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 15:46:59,082 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:46:59,082 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] [2022-10-16 15:46:59,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:46:59,083 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:46:59,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:46:59,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1566947458, now seen corresponding path program 1 times [2022-10-16 15:46:59,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:46:59,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126703178] [2022-10-16 15:46:59,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:46:59,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:46:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:46:59,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:46:59,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:46:59,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126703178] [2022-10-16 15:46:59,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126703178] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:46:59,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:46:59,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:46:59,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390366411] [2022-10-16 15:46:59,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:46:59,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:46:59,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:46:59,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:46:59,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:46:59,194 INFO L87 Difference]: Start difference. First operand 24849 states and 41257 transitions. Second operand has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:01,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:01,547 INFO L93 Difference]: Finished difference Result 24849 states and 41257 transitions. [2022-10-16 15:47:01,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:01,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2022-10-16 15:47:01,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:01,592 INFO L225 Difference]: With dead ends: 24849 [2022-10-16 15:47:01,592 INFO L226 Difference]: Without dead ends: 24846 [2022-10-16 15:47:01,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:01,600 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 529 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:01,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 611 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:47:01,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24846 states. [2022-10-16 15:47:04,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24846 to 24846. [2022-10-16 15:47:04,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24846 states, 24786 states have (on average 1.6541999515855725) internal successors, (41001), 24845 states have internal predecessors, (41001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:04,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24846 states to 24846 states and 41001 transitions. [2022-10-16 15:47:04,307 INFO L78 Accepts]: Start accepts. Automaton has 24846 states and 41001 transitions. Word has length 98 [2022-10-16 15:47:04,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:04,307 INFO L495 AbstractCegarLoop]: Abstraction has 24846 states and 41001 transitions. [2022-10-16 15:47:04,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:04,308 INFO L276 IsEmpty]: Start isEmpty. Operand 24846 states and 41001 transitions. [2022-10-16 15:47:04,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 15:47:04,308 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:04,309 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] [2022-10-16 15:47:04,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:47:04,309 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:47:04,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:04,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1330731305, now seen corresponding path program 1 times [2022-10-16 15:47:04,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:04,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918954178] [2022-10-16 15:47:04,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:04,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:04,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:04,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:04,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918954178] [2022-10-16 15:47:04,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918954178] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:04,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:04,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:47:04,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813067644] [2022-10-16 15:47:04,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:04,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:04,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:04,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:04,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:04,419 INFO L87 Difference]: Start difference. First operand 24846 states and 41001 transitions. Second operand has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:07,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:07,262 INFO L93 Difference]: Finished difference Result 24846 states and 41001 transitions. [2022-10-16 15:47:07,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:07,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-16 15:47:07,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:07,301 INFO L225 Difference]: With dead ends: 24846 [2022-10-16 15:47:07,301 INFO L226 Difference]: Without dead ends: 24843 [2022-10-16 15:47:07,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:07,308 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 525 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:07,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 611 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:47:07,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24843 states. [2022-10-16 15:47:09,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24843 to 24843. [2022-10-16 15:47:09,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24843 states, 24786 states have (on average 1.6438715403857016) internal successors, (40745), 24842 states have internal predecessors, (40745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:09,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24843 states to 24843 states and 40745 transitions. [2022-10-16 15:47:09,985 INFO L78 Accepts]: Start accepts. Automaton has 24843 states and 40745 transitions. Word has length 99 [2022-10-16 15:47:09,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:09,986 INFO L495 AbstractCegarLoop]: Abstraction has 24843 states and 40745 transitions. [2022-10-16 15:47:09,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:09,986 INFO L276 IsEmpty]: Start isEmpty. Operand 24843 states and 40745 transitions. [2022-10-16 15:47:09,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 15:47:09,987 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:09,988 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] [2022-10-16 15:47:09,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:47:09,988 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:47:09,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:09,989 INFO L85 PathProgramCache]: Analyzing trace with hash 284264539, now seen corresponding path program 1 times [2022-10-16 15:47:09,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:09,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750967585] [2022-10-16 15:47:09,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:09,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:10,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:10,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:10,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750967585] [2022-10-16 15:47:10,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750967585] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:10,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:10,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:47:10,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705766696] [2022-10-16 15:47:10,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:10,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:10,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:10,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:10,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:10,113 INFO L87 Difference]: Start difference. First operand 24843 states and 40745 transitions. Second operand has 3 states, 2 states have (on average 52.0) 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) [2022-10-16 15:47:12,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:12,681 INFO L93 Difference]: Finished difference Result 24843 states and 40745 transitions. [2022-10-16 15:47:12,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:12,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 52.0) 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 [2022-10-16 15:47:12,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:12,720 INFO L225 Difference]: With dead ends: 24843 [2022-10-16 15:47:12,720 INFO L226 Difference]: Without dead ends: 24840 [2022-10-16 15:47:12,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:12,730 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 517 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:12,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 605 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:47:12,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24840 states. [2022-10-16 15:47:15,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24840 to 24840. [2022-10-16 15:47:15,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24840 states, 24786 states have (on average 1.6328169127733398) internal successors, (40471), 24839 states have internal predecessors, (40471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24840 states to 24840 states and 40471 transitions. [2022-10-16 15:47:15,553 INFO L78 Accepts]: Start accepts. Automaton has 24840 states and 40471 transitions. Word has length 104 [2022-10-16 15:47:15,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:15,554 INFO L495 AbstractCegarLoop]: Abstraction has 24840 states and 40471 transitions. [2022-10-16 15:47:15,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.0) 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) [2022-10-16 15:47:15,554 INFO L276 IsEmpty]: Start isEmpty. Operand 24840 states and 40471 transitions. [2022-10-16 15:47:15,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 15:47:15,555 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:15,555 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] [2022-10-16 15:47:15,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:47:15,556 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:47:15,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:15,556 INFO L85 PathProgramCache]: Analyzing trace with hash 222266506, now seen corresponding path program 1 times [2022-10-16 15:47:15,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:15,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105281120] [2022-10-16 15:47:15,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:15,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:15,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:15,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:15,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105281120] [2022-10-16 15:47:15,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105281120] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:15,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:15,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:47:15,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104058836] [2022-10-16 15:47:15,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:15,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:15,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:15,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:15,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:15,665 INFO L87 Difference]: Start difference. First operand 24840 states and 40471 transitions. Second operand has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:18,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:18,352 INFO L93 Difference]: Finished difference Result 24840 states and 40471 transitions. [2022-10-16 15:47:18,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:18,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2022-10-16 15:47:18,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:18,387 INFO L225 Difference]: With dead ends: 24840 [2022-10-16 15:47:18,387 INFO L226 Difference]: Without dead ends: 24837 [2022-10-16 15:47:18,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:18,394 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 513 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:18,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 605 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:47:18,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24837 states. [2022-10-16 15:47:21,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24837 to 24837. [2022-10-16 15:47:21,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24837 states, 24786 states have (on average 1.6217622851609779) internal successors, (40197), 24836 states have internal predecessors, (40197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:21,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24837 states to 24837 states and 40197 transitions. [2022-10-16 15:47:21,180 INFO L78 Accepts]: Start accepts. Automaton has 24837 states and 40197 transitions. Word has length 105 [2022-10-16 15:47:21,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:21,180 INFO L495 AbstractCegarLoop]: Abstraction has 24837 states and 40197 transitions. [2022-10-16 15:47:21,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:21,180 INFO L276 IsEmpty]: Start isEmpty. Operand 24837 states and 40197 transitions. [2022-10-16 15:47:21,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 15:47:21,181 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:21,181 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:21,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:47:21,181 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:47:21,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:21,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1398666423, now seen corresponding path program 1 times [2022-10-16 15:47:21,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:21,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194424648] [2022-10-16 15:47:21,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:21,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:21,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:21,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:21,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194424648] [2022-10-16 15:47:21,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194424648] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:21,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:21,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:47:21,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220344733] [2022-10-16 15:47:21,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:21,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:21,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:21,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:21,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:21,319 INFO L87 Difference]: Start difference. First operand 24837 states and 40197 transitions. Second operand has 3 states, 2 states have (on average 69.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:23,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:23,923 INFO L93 Difference]: Finished difference Result 24837 states and 40197 transitions. [2022-10-16 15:47:23,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:23,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 69.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 15:47:23,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:23,965 INFO L225 Difference]: With dead ends: 24837 [2022-10-16 15:47:23,965 INFO L226 Difference]: Without dead ends: 24834 [2022-10-16 15:47:23,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:23,973 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 490 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:23,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 669 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:47:23,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24834 states. [2022-10-16 15:47:26,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24834 to 24834. [2022-10-16 15:47:26,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24834 states, 24786 states have (on average 1.6127652707173403) internal successors, (39974), 24833 states have internal predecessors, (39974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:26,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24834 states to 24834 states and 39974 transitions. [2022-10-16 15:47:26,901 INFO L78 Accepts]: Start accepts. Automaton has 24834 states and 39974 transitions. Word has length 138 [2022-10-16 15:47:26,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:26,901 INFO L495 AbstractCegarLoop]: Abstraction has 24834 states and 39974 transitions. [2022-10-16 15:47:26,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 69.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:26,901 INFO L276 IsEmpty]: Start isEmpty. Operand 24834 states and 39974 transitions. [2022-10-16 15:47:26,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 15:47:26,902 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:26,902 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:26,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:47:26,902 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:47:26,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:26,903 INFO L85 PathProgramCache]: Analyzing trace with hash 408986640, now seen corresponding path program 1 times [2022-10-16 15:47:26,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:26,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294488744] [2022-10-16 15:47:26,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:26,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:27,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:27,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:27,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294488744] [2022-10-16 15:47:27,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294488744] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:27,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:27,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:47:27,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845052307] [2022-10-16 15:47:27,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:27,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:47:27,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:27,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:47:27,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:47:27,082 INFO L87 Difference]: Start difference. First operand 24834 states and 39974 transitions. Second operand has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:29,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:29,989 INFO L93 Difference]: Finished difference Result 24834 states and 39974 transitions. [2022-10-16 15:47:29,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:47:29,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 15:47:29,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:30,023 INFO L225 Difference]: With dead ends: 24834 [2022-10-16 15:47:30,023 INFO L226 Difference]: Without dead ends: 24831 [2022-10-16 15:47:30,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:47:30,029 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 443 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:30,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 1259 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:47:30,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24831 states. [2022-10-16 15:47:32,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24831 to 24831. [2022-10-16 15:47:32,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24831 states, 24786 states have (on average 1.6037682562737028) internal successors, (39751), 24830 states have internal predecessors, (39751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:32,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24831 states to 24831 states and 39751 transitions. [2022-10-16 15:47:32,919 INFO L78 Accepts]: Start accepts. Automaton has 24831 states and 39751 transitions. Word has length 139 [2022-10-16 15:47:32,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:32,919 INFO L495 AbstractCegarLoop]: Abstraction has 24831 states and 39751 transitions. [2022-10-16 15:47:32,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:32,919 INFO L276 IsEmpty]: Start isEmpty. Operand 24831 states and 39751 transitions. [2022-10-16 15:47:32,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-10-16 15:47:32,920 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:32,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:32,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 15:47:32,921 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:47:32,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:32,922 INFO L85 PathProgramCache]: Analyzing trace with hash 430652032, now seen corresponding path program 1 times [2022-10-16 15:47:32,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:32,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604344697] [2022-10-16 15:47:32,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:32,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:33,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:33,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:33,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604344697] [2022-10-16 15:47:33,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604344697] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:33,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:33,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:47:33,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813136236] [2022-10-16 15:47:33,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:33,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:33,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:33,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:33,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:33,076 INFO L87 Difference]: Start difference. First operand 24831 states and 39751 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:38,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:38,646 INFO L93 Difference]: Finished difference Result 63827 states and 102464 transitions. [2022-10-16 15:47:38,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:38,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 212 [2022-10-16 15:47:38,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:38,725 INFO L225 Difference]: With dead ends: 63827 [2022-10-16 15:47:38,725 INFO L226 Difference]: Without dead ends: 44640 [2022-10-16 15:47:38,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:38,757 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 381 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:38,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 1056 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:47:38,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44640 states. [2022-10-16 15:47:44,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44640 to 44534. [2022-10-16 15:47:44,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44534 states, 44489 states have (on average 1.6061947897233024) internal successors, (71458), 44533 states have internal predecessors, (71458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:44,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44534 states to 44534 states and 71458 transitions. [2022-10-16 15:47:44,233 INFO L78 Accepts]: Start accepts. Automaton has 44534 states and 71458 transitions. Word has length 212 [2022-10-16 15:47:44,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:44,233 INFO L495 AbstractCegarLoop]: Abstraction has 44534 states and 71458 transitions. [2022-10-16 15:47:44,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:44,234 INFO L276 IsEmpty]: Start isEmpty. Operand 44534 states and 71458 transitions. [2022-10-16 15:47:44,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-10-16 15:47:44,236 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:44,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:44,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 15:47:44,237 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:47:44,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:44,238 INFO L85 PathProgramCache]: Analyzing trace with hash -351942635, now seen corresponding path program 1 times [2022-10-16 15:47:44,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:44,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128944528] [2022-10-16 15:47:44,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:44,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:44,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:44,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:44,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128944528] [2022-10-16 15:47:44,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128944528] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:44,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:44,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:47:44,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060330426] [2022-10-16 15:47:44,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:44,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:44,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:44,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:44,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:44,422 INFO L87 Difference]: Start difference. First operand 44534 states and 71458 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:54,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:54,784 INFO L93 Difference]: Finished difference Result 117641 states and 189190 transitions. [2022-10-16 15:47:54,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:54,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 212 [2022-10-16 15:47:54,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:54,930 INFO L225 Difference]: With dead ends: 117641 [2022-10-16 15:47:54,930 INFO L226 Difference]: Without dead ends: 83788 [2022-10-16 15:47:54,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:54,967 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 375 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:54,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 1041 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:47:55,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83788 states. [2022-10-16 15:48:05,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83788 to 83602. [2022-10-16 15:48:05,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83602 states, 83557 states have (on average 1.6067714254939742) internal successors, (134257), 83601 states have internal predecessors, (134257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:05,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83602 states to 83602 states and 134257 transitions. [2022-10-16 15:48:05,870 INFO L78 Accepts]: Start accepts. Automaton has 83602 states and 134257 transitions. Word has length 212 [2022-10-16 15:48:05,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:48:05,871 INFO L495 AbstractCegarLoop]: Abstraction has 83602 states and 134257 transitions. [2022-10-16 15:48:05,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:05,871 INFO L276 IsEmpty]: Start isEmpty. Operand 83602 states and 134257 transitions. [2022-10-16 15:48:05,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-10-16 15:48:05,874 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:48:05,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:48:05,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 15:48:05,874 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 125 more)] === [2022-10-16 15:48:05,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:48:05,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1224713516, now seen corresponding path program 1 times [2022-10-16 15:48:05,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:48:05,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012666283] [2022-10-16 15:48:05,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:48:05,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:48:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:48:06,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:48:06,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:48:06,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012666283] [2022-10-16 15:48:06,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012666283] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:48:06,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:48:06,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:48:06,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547981523] [2022-10-16 15:48:06,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:48:06,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:48:06,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:48:06,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:48:06,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:06,083 INFO L87 Difference]: Start difference. First operand 83602 states and 134257 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)