/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/systemc/toy.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 17:06:29,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 17:06:29,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 17:06:29,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 17:06:29,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 17:06:29,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 17:06:29,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 17:06:29,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 17:06:29,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 17:06:29,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 17:06:29,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 17:06:29,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 17:06:29,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 17:06:29,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 17:06:29,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 17:06:29,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 17:06:29,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 17:06:29,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 17:06:29,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 17:06:29,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 17:06:29,307 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 17:06:29,334 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 17:06:29,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 17:06:29,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 17:06:29,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 17:06:29,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 17:06:29,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 17:06:29,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 17:06:29,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 17:06:29,343 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 17:06:29,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 17:06:29,343 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 17:06:29,343 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 17:06:29,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 17:06:29,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 17:06:29,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 17:06:29,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 17:06:29,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 17:06:29,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 17:06:29,345 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 17:06:29,345 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 17:06:29,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 17:06:29,345 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 17:06:29,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 17:06:29,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 17:06:29,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 17:06:29,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 17:06:29,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:06:29,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 17:06:29,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 17:06:29,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 17:06:29,347 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 17:06:29,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 17:06:29,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 17:06:29,348 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 17:06:29,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 17:06:29,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 17:06:29,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 17:06:29,774 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 17:06:29,775 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 17:06:29,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/toy.cil.c [2022-10-16 17:06:29,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76a115761/4344a4326ca64c98b4e98cb645d0fc6e/FLAG894c41839 [2022-10-16 17:06:30,497 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 17:06:30,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/toy.cil.c [2022-10-16 17:06:30,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76a115761/4344a4326ca64c98b4e98cb645d0fc6e/FLAG894c41839 [2022-10-16 17:06:30,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76a115761/4344a4326ca64c98b4e98cb645d0fc6e [2022-10-16 17:06:30,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 17:06:30,861 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 17:06:30,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 17:06:30,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 17:06:30,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 17:06:30,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:06:30" (1/1) ... [2022-10-16 17:06:30,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@286aaf0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:30, skipping insertion in model container [2022-10-16 17:06:30,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:06:30" (1/1) ... [2022-10-16 17:06:30,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 17:06:30,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 17:06:31,088 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/systemc/toy.cil.c[697,710] [2022-10-16 17:06:31,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:06:31,199 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 17:06:31,220 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/systemc/toy.cil.c[697,710] [2022-10-16 17:06:31,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:06:31,324 INFO L208 MainTranslator]: Completed translation [2022-10-16 17:06:31,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:31 WrapperNode [2022-10-16 17:06:31,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 17:06:31,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 17:06:31,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 17:06:31,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 17:06:31,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:31" (1/1) ... [2022-10-16 17:06:31,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:31" (1/1) ... [2022-10-16 17:06:31,389 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 370 [2022-10-16 17:06:31,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 17:06:31,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 17:06:31,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 17:06:31,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 17:06:31,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:31" (1/1) ... [2022-10-16 17:06:31,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:31" (1/1) ... [2022-10-16 17:06:31,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:31" (1/1) ... [2022-10-16 17:06:31,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:31" (1/1) ... [2022-10-16 17:06:31,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:31" (1/1) ... [2022-10-16 17:06:31,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:31" (1/1) ... [2022-10-16 17:06:31,430 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:31" (1/1) ... [2022-10-16 17:06:31,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:31" (1/1) ... [2022-10-16 17:06:31,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 17:06:31,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 17:06:31,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 17:06:31,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 17:06:31,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:31" (1/1) ... [2022-10-16 17:06:31,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:06:31,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:06:31,490 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 17:06:31,521 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 17:06:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 17:06:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 17:06:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 17:06:31,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 17:06:31,729 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 17:06:31,733 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 17:06:32,417 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 17:06:32,434 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 17:06:32,434 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-16 17:06:32,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:06:32 BoogieIcfgContainer [2022-10-16 17:06:32,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 17:06:32,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 17:06:32,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 17:06:32,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 17:06:32,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:06:30" (1/3) ... [2022-10-16 17:06:32,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dae497c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:06:32, skipping insertion in model container [2022-10-16 17:06:32,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:31" (2/3) ... [2022-10-16 17:06:32,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dae497c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:06:32, skipping insertion in model container [2022-10-16 17:06:32,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:06:32" (3/3) ... [2022-10-16 17:06:32,455 INFO L112 eAbstractionObserver]: Analyzing ICFG toy.cil.c [2022-10-16 17:06:32,482 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 17:06:32,482 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-10-16 17:06:32,579 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 17:06:32,594 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;@40e6a15a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 17:06:32,595 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-10-16 17:06:32,610 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 138 states have (on average 1.8405797101449275) internal successors, (254), 146 states have internal predecessors, (254), 0 states have call successors, (0), 0 states 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 17:06:32,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 17:06:32,636 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:32,637 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] [2022-10-16 17:06:32,638 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:32,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:32,646 INFO L85 PathProgramCache]: Analyzing trace with hash -85848250, now seen corresponding path program 1 times [2022-10-16 17:06:32,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:32,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509731579] [2022-10-16 17:06:32,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:32,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:33,073 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 17:06:33,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:33,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509731579] [2022-10-16 17:06:33,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509731579] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:33,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:33,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:06:33,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293712896] [2022-10-16 17:06:33,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:33,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:06:33,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:33,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:06:33,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:06:33,127 INFO L87 Difference]: Start difference. First operand has 147 states, 138 states have (on average 1.8405797101449275) internal successors, (254), 146 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:33,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:33,199 INFO L93 Difference]: Finished difference Result 285 states and 494 transitions. [2022-10-16 17:06:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:06:33,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-10-16 17:06:33,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:33,215 INFO L225 Difference]: With dead ends: 285 [2022-10-16 17:06:33,215 INFO L226 Difference]: Without dead ends: 141 [2022-10-16 17:06:33,220 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 17:06:33,225 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 234 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:33,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 238 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:33,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-10-16 17:06:33,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2022-10-16 17:06:33,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 133 states have (on average 1.7593984962406015) internal successors, (234), 140 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:06:33,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 234 transitions. [2022-10-16 17:06:33,289 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 234 transitions. Word has length 34 [2022-10-16 17:06:33,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:33,290 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 234 transitions. [2022-10-16 17:06:33,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:33,290 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 234 transitions. [2022-10-16 17:06:33,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 17:06:33,293 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:33,293 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] [2022-10-16 17:06:33,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 17:06:33,294 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:33,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:33,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1472051644, now seen corresponding path program 1 times [2022-10-16 17:06:33,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:33,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005004388] [2022-10-16 17:06:33,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:33,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:33,448 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 17:06:33,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:33,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005004388] [2022-10-16 17:06:33,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005004388] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:33,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:33,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:06:33,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413094621] [2022-10-16 17:06:33,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:33,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:06:33,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:33,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:06:33,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:06:33,458 INFO L87 Difference]: Start difference. First operand 141 states and 234 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:33,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:33,634 INFO L93 Difference]: Finished difference Result 385 states and 634 transitions. [2022-10-16 17:06:33,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 17:06:33,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-10-16 17:06:33,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:33,643 INFO L225 Difference]: With dead ends: 385 [2022-10-16 17:06:33,643 INFO L226 Difference]: Without dead ends: 247 [2022-10-16 17:06:33,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 17:06:33,647 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 616 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:33,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [616 Valid, 398 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:33,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-10-16 17:06:33,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 238. [2022-10-16 17:06:33,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 230 states have (on average 1.7391304347826086) internal successors, (400), 237 states have internal predecessors, (400), 0 states have call successors, (0), 0 states 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 17:06:33,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 400 transitions. [2022-10-16 17:06:33,689 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 400 transitions. Word has length 34 [2022-10-16 17:06:33,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:33,690 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 400 transitions. [2022-10-16 17:06:33,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:33,690 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 400 transitions. [2022-10-16 17:06:33,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 17:06:33,692 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:33,692 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] [2022-10-16 17:06:33,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 17:06:33,693 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:33,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:33,694 INFO L85 PathProgramCache]: Analyzing trace with hash 451176390, now seen corresponding path program 1 times [2022-10-16 17:06:33,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:33,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220048165] [2022-10-16 17:06:33,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:33,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:33,852 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 17:06:33,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:33,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220048165] [2022-10-16 17:06:33,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220048165] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:33,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:33,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:06:33,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106621193] [2022-10-16 17:06:33,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:33,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:06:33,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:33,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:06:33,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:06:33,856 INFO L87 Difference]: Start difference. First operand 238 states and 400 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:33,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:33,910 INFO L93 Difference]: Finished difference Result 467 states and 787 transitions. [2022-10-16 17:06:33,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:06:33,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-10-16 17:06:33,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:33,914 INFO L225 Difference]: With dead ends: 467 [2022-10-16 17:06:33,914 INFO L226 Difference]: Without dead ends: 238 [2022-10-16 17:06:33,916 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 17:06:33,918 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 203 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:33,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 217 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:33,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2022-10-16 17:06:33,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2022-10-16 17:06:33,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 230 states have (on average 1.6869565217391305) internal successors, (388), 237 states have internal predecessors, (388), 0 states have call successors, (0), 0 states 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 17:06:33,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 388 transitions. [2022-10-16 17:06:33,991 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 388 transitions. Word has length 34 [2022-10-16 17:06:33,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:33,992 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 388 transitions. [2022-10-16 17:06:33,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:33,992 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 388 transitions. [2022-10-16 17:06:33,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 17:06:33,996 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:33,996 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] [2022-10-16 17:06:33,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 17:06:33,998 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:33,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:34,002 INFO L85 PathProgramCache]: Analyzing trace with hash -497901246, now seen corresponding path program 1 times [2022-10-16 17:06:34,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:34,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721496608] [2022-10-16 17:06:34,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:34,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:34,149 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 17:06:34,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:34,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721496608] [2022-10-16 17:06:34,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721496608] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:34,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:34,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:06:34,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764970193] [2022-10-16 17:06:34,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:34,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:06:34,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:34,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:06:34,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:06:34,154 INFO L87 Difference]: Start difference. First operand 238 states and 388 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:34,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:34,328 INFO L93 Difference]: Finished difference Result 655 states and 1067 transitions. [2022-10-16 17:06:34,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:06:34,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-10-16 17:06:34,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:34,335 INFO L225 Difference]: With dead ends: 655 [2022-10-16 17:06:34,335 INFO L226 Difference]: Without dead ends: 427 [2022-10-16 17:06:34,342 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 17:06:34,350 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 397 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:34,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 500 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:06:34,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2022-10-16 17:06:34,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 238. [2022-10-16 17:06:34,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 230 states have (on average 1.673913043478261) internal successors, (385), 237 states have internal predecessors, (385), 0 states have call successors, (0), 0 states 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 17:06:34,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 385 transitions. [2022-10-16 17:06:34,423 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 385 transitions. Word has length 34 [2022-10-16 17:06:34,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:34,424 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 385 transitions. [2022-10-16 17:06:34,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:34,424 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 385 transitions. [2022-10-16 17:06:34,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 17:06:34,428 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:34,428 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] [2022-10-16 17:06:34,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 17:06:34,429 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:34,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:34,430 INFO L85 PathProgramCache]: Analyzing trace with hash -357352636, now seen corresponding path program 1 times [2022-10-16 17:06:34,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:34,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375272580] [2022-10-16 17:06:34,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:34,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:34,561 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 17:06:34,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:34,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375272580] [2022-10-16 17:06:34,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375272580] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:34,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:34,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:06:34,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233126176] [2022-10-16 17:06:34,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:34,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:06:34,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:34,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:06:34,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:06:34,568 INFO L87 Difference]: Start difference. First operand 238 states and 385 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:34,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:34,703 INFO L93 Difference]: Finished difference Result 656 states and 1061 transitions. [2022-10-16 17:06:34,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:06:34,703 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-10-16 17:06:34,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:34,707 INFO L225 Difference]: With dead ends: 656 [2022-10-16 17:06:34,707 INFO L226 Difference]: Without dead ends: 429 [2022-10-16 17:06:34,708 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 17:06:34,715 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 395 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:34,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 507 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:06:34,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-10-16 17:06:34,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 238. [2022-10-16 17:06:34,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 230 states have (on average 1.6608695652173913) internal successors, (382), 237 states have internal predecessors, (382), 0 states have call successors, (0), 0 states 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 17:06:34,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 382 transitions. [2022-10-16 17:06:34,752 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 382 transitions. Word has length 34 [2022-10-16 17:06:34,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:34,753 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 382 transitions. [2022-10-16 17:06:34,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:34,754 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 382 transitions. [2022-10-16 17:06:34,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 17:06:34,760 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:34,760 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] [2022-10-16 17:06:34,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 17:06:34,761 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:34,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:34,764 INFO L85 PathProgramCache]: Analyzing trace with hash -491366142, now seen corresponding path program 1 times [2022-10-16 17:06:34,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:34,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284251666] [2022-10-16 17:06:34,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:34,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:34,872 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 17:06:34,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:34,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284251666] [2022-10-16 17:06:34,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284251666] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:34,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:34,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:06:34,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088013458] [2022-10-16 17:06:34,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:34,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:06:34,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:34,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:06:34,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:06:34,876 INFO L87 Difference]: Start difference. First operand 238 states and 382 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:34,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:34,984 INFO L93 Difference]: Finished difference Result 670 states and 1074 transitions. [2022-10-16 17:06:34,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:06:34,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-10-16 17:06:34,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:34,988 INFO L225 Difference]: With dead ends: 670 [2022-10-16 17:06:34,988 INFO L226 Difference]: Without dead ends: 444 [2022-10-16 17:06:34,988 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 17:06:34,990 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 401 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:34,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 515 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:34,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2022-10-16 17:06:35,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 244. [2022-10-16 17:06:35,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 236 states have (on average 1.6355932203389831) internal successors, (386), 243 states have internal predecessors, (386), 0 states have call successors, (0), 0 states 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 17:06:35,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 386 transitions. [2022-10-16 17:06:35,021 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 386 transitions. Word has length 34 [2022-10-16 17:06:35,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:35,021 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 386 transitions. [2022-10-16 17:06:35,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:35,022 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 386 transitions. [2022-10-16 17:06:35,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 17:06:35,022 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:35,022 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] [2022-10-16 17:06:35,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 17:06:35,023 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:35,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:35,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1998162820, now seen corresponding path program 1 times [2022-10-16 17:06:35,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:35,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956162465] [2022-10-16 17:06:35,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:35,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:35,086 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 17:06:35,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:35,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956162465] [2022-10-16 17:06:35,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956162465] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:35,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:35,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:06:35,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550943990] [2022-10-16 17:06:35,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:35,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:06:35,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:35,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:06:35,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:06:35,089 INFO L87 Difference]: Start difference. First operand 244 states and 386 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:35,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:35,257 INFO L93 Difference]: Finished difference Result 847 states and 1335 transitions. [2022-10-16 17:06:35,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:06:35,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-10-16 17:06:35,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:35,264 INFO L225 Difference]: With dead ends: 847 [2022-10-16 17:06:35,264 INFO L226 Difference]: Without dead ends: 616 [2022-10-16 17:06:35,265 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 17:06:35,269 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 397 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:35,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 625 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:06:35,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2022-10-16 17:06:35,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 403. [2022-10-16 17:06:35,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 395 states have (on average 1.6227848101265823) internal successors, (641), 402 states have internal predecessors, (641), 0 states have call successors, (0), 0 states 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 17:06:35,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 641 transitions. [2022-10-16 17:06:35,319 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 641 transitions. Word has length 34 [2022-10-16 17:06:35,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:35,320 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 641 transitions. [2022-10-16 17:06:35,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:35,320 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 641 transitions. [2022-10-16 17:06:35,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 17:06:35,322 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:35,322 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] [2022-10-16 17:06:35,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 17:06:35,323 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:35,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:35,324 INFO L85 PathProgramCache]: Analyzing trace with hash -2077949758, now seen corresponding path program 1 times [2022-10-16 17:06:35,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:35,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847225557] [2022-10-16 17:06:35,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:35,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:35,413 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 17:06:35,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:35,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847225557] [2022-10-16 17:06:35,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847225557] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:35,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:35,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:06:35,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866286329] [2022-10-16 17:06:35,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:35,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:06:35,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:35,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:06:35,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:06:35,417 INFO L87 Difference]: Start difference. First operand 403 states and 641 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:35,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:35,514 INFO L93 Difference]: Finished difference Result 970 states and 1542 transitions. [2022-10-16 17:06:35,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:06:35,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-10-16 17:06:35,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:35,520 INFO L225 Difference]: With dead ends: 970 [2022-10-16 17:06:35,520 INFO L226 Difference]: Without dead ends: 591 [2022-10-16 17:06:35,521 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 17:06:35,522 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 191 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:35,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 370 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:35,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2022-10-16 17:06:35,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 583. [2022-10-16 17:06:35,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 575 states have (on average 1.6191304347826088) internal successors, (931), 582 states have internal predecessors, (931), 0 states have call successors, (0), 0 states 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 17:06:35,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 931 transitions. [2022-10-16 17:06:35,593 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 931 transitions. Word has length 34 [2022-10-16 17:06:35,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:35,594 INFO L495 AbstractCegarLoop]: Abstraction has 583 states and 931 transitions. [2022-10-16 17:06:35,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:35,594 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 931 transitions. [2022-10-16 17:06:35,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 17:06:35,596 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:35,601 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] [2022-10-16 17:06:35,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 17:06:35,603 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:35,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:35,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1454114622, now seen corresponding path program 1 times [2022-10-16 17:06:35,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:35,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315299704] [2022-10-16 17:06:35,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:35,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:35,697 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 17:06:35,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:35,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315299704] [2022-10-16 17:06:35,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315299704] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:35,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:35,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:06:35,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673342798] [2022-10-16 17:06:35,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:35,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:06:35,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:35,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:06:35,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:06:35,700 INFO L87 Difference]: Start difference. First operand 583 states and 931 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:35,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:35,876 INFO L93 Difference]: Finished difference Result 1493 states and 2382 transitions. [2022-10-16 17:06:35,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 17:06:35,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-10-16 17:06:35,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:35,883 INFO L225 Difference]: With dead ends: 1493 [2022-10-16 17:06:35,883 INFO L226 Difference]: Without dead ends: 927 [2022-10-16 17:06:35,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 17:06:35,887 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 526 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:35,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 358 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:35,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2022-10-16 17:06:35,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 583. [2022-10-16 17:06:35,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 575 states have (on average 1.605217391304348) internal successors, (923), 582 states have internal predecessors, (923), 0 states have call successors, (0), 0 states 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 17:06:35,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 923 transitions. [2022-10-16 17:06:35,964 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 923 transitions. Word has length 34 [2022-10-16 17:06:35,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:35,965 INFO L495 AbstractCegarLoop]: Abstraction has 583 states and 923 transitions. [2022-10-16 17:06:35,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:35,965 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 923 transitions. [2022-10-16 17:06:35,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 17:06:35,966 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:35,966 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] [2022-10-16 17:06:35,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 17:06:35,969 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:35,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:35,975 INFO L85 PathProgramCache]: Analyzing trace with hash 174250944, now seen corresponding path program 1 times [2022-10-16 17:06:35,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:35,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880544495] [2022-10-16 17:06:35,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:35,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:36,055 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 17:06:36,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:36,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880544495] [2022-10-16 17:06:36,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880544495] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:36,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:36,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:06:36,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647864818] [2022-10-16 17:06:36,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:36,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:06:36,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:36,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:06:36,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:06:36,058 INFO L87 Difference]: Start difference. First operand 583 states and 923 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:36,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:36,224 INFO L93 Difference]: Finished difference Result 1493 states and 2359 transitions. [2022-10-16 17:06:36,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 17:06:36,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-10-16 17:06:36,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:36,230 INFO L225 Difference]: With dead ends: 1493 [2022-10-16 17:06:36,230 INFO L226 Difference]: Without dead ends: 933 [2022-10-16 17:06:36,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 17:06:36,233 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 510 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:36,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 347 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:36,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2022-10-16 17:06:36,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 583. [2022-10-16 17:06:36,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 575 states have (on average 1.5913043478260869) internal successors, (915), 582 states have internal predecessors, (915), 0 states have call successors, (0), 0 states 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 17:06:36,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 915 transitions. [2022-10-16 17:06:36,330 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 915 transitions. Word has length 34 [2022-10-16 17:06:36,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:36,330 INFO L495 AbstractCegarLoop]: Abstraction has 583 states and 915 transitions. [2022-10-16 17:06:36,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:36,330 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 915 transitions. [2022-10-16 17:06:36,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 17:06:36,331 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:36,331 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] [2022-10-16 17:06:36,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 17:06:36,332 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:36,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:36,332 INFO L85 PathProgramCache]: Analyzing trace with hash -412555070, now seen corresponding path program 1 times [2022-10-16 17:06:36,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:36,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368343935] [2022-10-16 17:06:36,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:36,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:36,376 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 17:06:36,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:36,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368343935] [2022-10-16 17:06:36,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368343935] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:36,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:36,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:06:36,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534871534] [2022-10-16 17:06:36,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:36,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:06:36,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:36,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:06:36,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:06:36,379 INFO L87 Difference]: Start difference. First operand 583 states and 915 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:36,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:36,525 INFO L93 Difference]: Finished difference Result 1406 states and 2197 transitions. [2022-10-16 17:06:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 17:06:36,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-10-16 17:06:36,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:36,531 INFO L225 Difference]: With dead ends: 1406 [2022-10-16 17:06:36,531 INFO L226 Difference]: Without dead ends: 840 [2022-10-16 17:06:36,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 17:06:36,533 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 522 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:36,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 377 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:36,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2022-10-16 17:06:36,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 631. [2022-10-16 17:06:36,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 623 states have (on average 1.5601926163723916) internal successors, (972), 630 states have internal predecessors, (972), 0 states have call successors, (0), 0 states 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 17:06:36,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 972 transitions. [2022-10-16 17:06:36,603 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 972 transitions. Word has length 34 [2022-10-16 17:06:36,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:36,603 INFO L495 AbstractCegarLoop]: Abstraction has 631 states and 972 transitions. [2022-10-16 17:06:36,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:36,605 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 972 transitions. [2022-10-16 17:06:36,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 17:06:36,605 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:36,606 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] [2022-10-16 17:06:36,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 17:06:36,606 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:36,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:36,607 INFO L85 PathProgramCache]: Analyzing trace with hash 288509508, now seen corresponding path program 1 times [2022-10-16 17:06:36,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:36,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033103165] [2022-10-16 17:06:36,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:36,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:36,679 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 17:06:36,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:36,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033103165] [2022-10-16 17:06:36,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033103165] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:36,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:36,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:06:36,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911677777] [2022-10-16 17:06:36,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:36,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:06:36,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:36,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:06:36,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:06:36,683 INFO L87 Difference]: Start difference. First operand 631 states and 972 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:36,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:36,891 INFO L93 Difference]: Finished difference Result 1496 states and 2306 transitions. [2022-10-16 17:06:36,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:06:36,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-10-16 17:06:36,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:36,900 INFO L225 Difference]: With dead ends: 1496 [2022-10-16 17:06:36,900 INFO L226 Difference]: Without dead ends: 879 [2022-10-16 17:06:36,902 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 17:06:36,903 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 126 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:36,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 340 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:36,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2022-10-16 17:06:37,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 872. [2022-10-16 17:06:37,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 864 states have (on average 1.5416666666666667) internal successors, (1332), 871 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states 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 17:06:37,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1332 transitions. [2022-10-16 17:06:37,023 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1332 transitions. Word has length 34 [2022-10-16 17:06:37,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:37,023 INFO L495 AbstractCegarLoop]: Abstraction has 872 states and 1332 transitions. [2022-10-16 17:06:37,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 17:06:37,024 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1332 transitions. [2022-10-16 17:06:37,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-16 17:06:37,025 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:37,025 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] [2022-10-16 17:06:37,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 17:06:37,025 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:37,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:37,026 INFO L85 PathProgramCache]: Analyzing trace with hash -2062862783, now seen corresponding path program 1 times [2022-10-16 17:06:37,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:37,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188838707] [2022-10-16 17:06:37,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:37,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:37,056 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 17:06:37,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:37,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188838707] [2022-10-16 17:06:37,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188838707] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:37,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:37,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:06:37,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055270227] [2022-10-16 17:06:37,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:37,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:06:37,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:37,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:06:37,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:06:37,059 INFO L87 Difference]: Start difference. First operand 872 states and 1332 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states 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 17:06:37,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:37,211 INFO L93 Difference]: Finished difference Result 2191 states and 3375 transitions. [2022-10-16 17:06:37,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:06:37,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2022-10-16 17:06:37,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:37,220 INFO L225 Difference]: With dead ends: 2191 [2022-10-16 17:06:37,220 INFO L226 Difference]: Without dead ends: 1346 [2022-10-16 17:06:37,222 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 17:06:37,223 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 98 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:37,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 399 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:37,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2022-10-16 17:06:37,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1342. [2022-10-16 17:06:37,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 1334 states have (on average 1.54047976011994) internal successors, (2055), 1341 states have internal predecessors, (2055), 0 states have call successors, (0), 0 states 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 17:06:37,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 2055 transitions. [2022-10-16 17:06:37,377 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 2055 transitions. Word has length 35 [2022-10-16 17:06:37,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:37,377 INFO L495 AbstractCegarLoop]: Abstraction has 1342 states and 2055 transitions. [2022-10-16 17:06:37,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states 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 17:06:37,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 2055 transitions. [2022-10-16 17:06:37,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-16 17:06:37,379 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:37,379 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] [2022-10-16 17:06:37,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 17:06:37,379 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:37,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:37,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1214356292, now seen corresponding path program 1 times [2022-10-16 17:06:37,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:37,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228029641] [2022-10-16 17:06:37,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:37,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:37,412 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 17:06:37,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:37,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228029641] [2022-10-16 17:06:37,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228029641] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:37,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:37,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:06:37,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255629402] [2022-10-16 17:06:37,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:37,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:06:37,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:37,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:06:37,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:06:37,415 INFO L87 Difference]: Start difference. First operand 1342 states and 2055 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states 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 17:06:37,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:37,676 INFO L93 Difference]: Finished difference Result 3782 states and 5791 transitions. [2022-10-16 17:06:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:06:37,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2022-10-16 17:06:37,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:37,690 INFO L225 Difference]: With dead ends: 3782 [2022-10-16 17:06:37,690 INFO L226 Difference]: Without dead ends: 2468 [2022-10-16 17:06:37,692 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 17:06:37,693 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 143 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:37,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 348 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:37,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2468 states. [2022-10-16 17:06:37,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2468 to 2426. [2022-10-16 17:06:37,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2426 states, 2418 states have (on average 1.5289495450785773) internal successors, (3697), 2425 states have internal predecessors, (3697), 0 states have call successors, (0), 0 states 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 17:06:37,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 2426 states and 3697 transitions. [2022-10-16 17:06:37,948 INFO L78 Accepts]: Start accepts. Automaton has 2426 states and 3697 transitions. Word has length 36 [2022-10-16 17:06:37,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:37,948 INFO L495 AbstractCegarLoop]: Abstraction has 2426 states and 3697 transitions. [2022-10-16 17:06:37,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states 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 17:06:37,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 3697 transitions. [2022-10-16 17:06:37,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-16 17:06:37,950 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:37,950 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] [2022-10-16 17:06:37,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 17:06:37,950 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:37,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:37,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1606136921, now seen corresponding path program 1 times [2022-10-16 17:06:37,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:37,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431128200] [2022-10-16 17:06:37,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:37,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:37,984 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 17:06:37,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:37,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431128200] [2022-10-16 17:06:37,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431128200] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:37,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:37,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:06:37,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847554546] [2022-10-16 17:06:37,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:37,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:06:37,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:37,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:06:37,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:06:37,986 INFO L87 Difference]: Start difference. First operand 2426 states and 3697 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states 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 17:06:38,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:38,437 INFO L93 Difference]: Finished difference Result 6288 states and 9673 transitions. [2022-10-16 17:06:38,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:06:38,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2022-10-16 17:06:38,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:38,460 INFO L225 Difference]: With dead ends: 6288 [2022-10-16 17:06:38,460 INFO L226 Difference]: Without dead ends: 3910 [2022-10-16 17:06:38,465 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 17:06:38,466 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 92 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:38,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 448 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:38,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3910 states. [2022-10-16 17:06:38,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3910 to 3904. [2022-10-16 17:06:38,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3904 states, 3896 states have (on average 1.5346509240246407) internal successors, (5979), 3903 states have internal predecessors, (5979), 0 states have call successors, (0), 0 states 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 17:06:38,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3904 states to 3904 states and 5979 transitions. [2022-10-16 17:06:38,833 INFO L78 Accepts]: Start accepts. Automaton has 3904 states and 5979 transitions. Word has length 37 [2022-10-16 17:06:38,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:38,833 INFO L495 AbstractCegarLoop]: Abstraction has 3904 states and 5979 transitions. [2022-10-16 17:06:38,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states 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 17:06:38,833 INFO L276 IsEmpty]: Start isEmpty. Operand 3904 states and 5979 transitions. [2022-10-16 17:06:38,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-16 17:06:38,834 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:38,835 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] [2022-10-16 17:06:38,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 17:06:38,835 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:38,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:38,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1678523479, now seen corresponding path program 1 times [2022-10-16 17:06:38,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:38,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71467368] [2022-10-16 17:06:38,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:38,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:38,870 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 17:06:38,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:38,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71467368] [2022-10-16 17:06:38,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71467368] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:38,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:38,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:06:38,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665020618] [2022-10-16 17:06:38,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:38,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:06:38,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:38,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:06:38,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:06:38,873 INFO L87 Difference]: Start difference. First operand 3904 states and 5979 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states 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 17:06:39,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:39,150 INFO L93 Difference]: Finished difference Result 6232 states and 9586 transitions. [2022-10-16 17:06:39,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:06:39,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2022-10-16 17:06:39,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:39,163 INFO L225 Difference]: With dead ends: 6232 [2022-10-16 17:06:39,164 INFO L226 Difference]: Without dead ends: 2378 [2022-10-16 17:06:39,169 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 17:06:39,170 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 191 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:39,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 194 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:39,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2378 states. [2022-10-16 17:06:39,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2378 to 2378. [2022-10-16 17:06:39,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2378 states, 2370 states have (on average 1.5459915611814345) internal successors, (3664), 2377 states have internal predecessors, (3664), 0 states have call successors, (0), 0 states 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 17:06:39,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 2378 states and 3664 transitions. [2022-10-16 17:06:39,426 INFO L78 Accepts]: Start accepts. Automaton has 2378 states and 3664 transitions. Word has length 37 [2022-10-16 17:06:39,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:39,426 INFO L495 AbstractCegarLoop]: Abstraction has 2378 states and 3664 transitions. [2022-10-16 17:06:39,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states 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 17:06:39,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2378 states and 3664 transitions. [2022-10-16 17:06:39,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 17:06:39,427 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:39,427 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] [2022-10-16 17:06:39,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 17:06:39,428 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:39,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:39,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1737409811, now seen corresponding path program 1 times [2022-10-16 17:06:39,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:39,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576008116] [2022-10-16 17:06:39,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:39,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:39,460 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 17:06:39,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:39,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576008116] [2022-10-16 17:06:39,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576008116] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:39,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:39,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:06:39,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394513858] [2022-10-16 17:06:39,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:39,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:06:39,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:39,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:06:39,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:06:39,463 INFO L87 Difference]: Start difference. First operand 2378 states and 3664 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states 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 17:06:39,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:39,880 INFO L93 Difference]: Finished difference Result 6670 states and 10240 transitions. [2022-10-16 17:06:39,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:06:39,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-10-16 17:06:39,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:39,904 INFO L225 Difference]: With dead ends: 6670 [2022-10-16 17:06:39,905 INFO L226 Difference]: Without dead ends: 4322 [2022-10-16 17:06:39,910 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 17:06:39,911 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 138 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:39,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 345 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:39,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4322 states. [2022-10-16 17:06:40,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4322 to 4228. [2022-10-16 17:06:40,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4228 states, 4220 states have (on average 1.5286729857819905) internal successors, (6451), 4227 states have internal predecessors, (6451), 0 states have call successors, (0), 0 states 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 17:06:40,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4228 states to 4228 states and 6451 transitions. [2022-10-16 17:06:40,395 INFO L78 Accepts]: Start accepts. Automaton has 4228 states and 6451 transitions. Word has length 38 [2022-10-16 17:06:40,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:40,395 INFO L495 AbstractCegarLoop]: Abstraction has 4228 states and 6451 transitions. [2022-10-16 17:06:40,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states 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 17:06:40,396 INFO L276 IsEmpty]: Start isEmpty. Operand 4228 states and 6451 transitions. [2022-10-16 17:06:40,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 17:06:40,397 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:40,398 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:40,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 17:06:40,398 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:40,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:40,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1980135574, now seen corresponding path program 1 times [2022-10-16 17:06:40,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:40,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583203868] [2022-10-16 17:06:40,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:40,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:06:40,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:40,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583203868] [2022-10-16 17:06:40,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583203868] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:40,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:40,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:06:40,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270805308] [2022-10-16 17:06:40,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:40,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:06:40,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:40,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:06:40,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:06:40,437 INFO L87 Difference]: Start difference. First operand 4228 states and 6451 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states 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 17:06:40,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:40,956 INFO L93 Difference]: Finished difference Result 8767 states and 13481 transitions. [2022-10-16 17:06:40,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:06:40,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2022-10-16 17:06:40,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:40,978 INFO L225 Difference]: With dead ends: 8767 [2022-10-16 17:06:40,978 INFO L226 Difference]: Without dead ends: 4589 [2022-10-16 17:06:40,984 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 17:06:40,985 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 88 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:40,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 349 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:40,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4589 states. [2022-10-16 17:06:41,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4589 to 4583. [2022-10-16 17:06:41,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4583 states, 4575 states have (on average 1.530928961748634) internal successors, (7004), 4582 states have internal predecessors, (7004), 0 states have call successors, (0), 0 states 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 17:06:41,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4583 states to 4583 states and 7004 transitions. [2022-10-16 17:06:41,663 INFO L78 Accepts]: Start accepts. Automaton has 4583 states and 7004 transitions. Word has length 46 [2022-10-16 17:06:41,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:41,663 INFO L495 AbstractCegarLoop]: Abstraction has 4583 states and 7004 transitions. [2022-10-16 17:06:41,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states 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 17:06:41,664 INFO L276 IsEmpty]: Start isEmpty. Operand 4583 states and 7004 transitions. [2022-10-16 17:06:41,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 17:06:41,665 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:41,665 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:41,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 17:06:41,666 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:41,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:41,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1605133668, now seen corresponding path program 1 times [2022-10-16 17:06:41,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:41,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858395880] [2022-10-16 17:06:41,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:41,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:41,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:06:41,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:41,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858395880] [2022-10-16 17:06:41,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858395880] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:41,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:41,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:06:41,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405346896] [2022-10-16 17:06:41,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:41,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:06:41,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:41,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:06:41,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:06:41,709 INFO L87 Difference]: Start difference. First operand 4583 states and 7004 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states 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 17:06:42,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:42,542 INFO L93 Difference]: Finished difference Result 12595 states and 19398 transitions. [2022-10-16 17:06:42,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:06:42,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2022-10-16 17:06:42,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:42,562 INFO L225 Difference]: With dead ends: 12595 [2022-10-16 17:06:42,563 INFO L226 Difference]: Without dead ends: 8062 [2022-10-16 17:06:42,569 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 17:06:42,570 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 96 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:42,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 439 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:42,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8062 states. [2022-10-16 17:06:43,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8062 to 8054. [2022-10-16 17:06:43,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8054 states, 8046 states have (on average 1.5321899080288341) internal successors, (12328), 8053 states have internal predecessors, (12328), 0 states have call successors, (0), 0 states 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 17:06:43,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8054 states to 8054 states and 12328 transitions. [2022-10-16 17:06:43,216 INFO L78 Accepts]: Start accepts. Automaton has 8054 states and 12328 transitions. Word has length 47 [2022-10-16 17:06:43,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:43,216 INFO L495 AbstractCegarLoop]: Abstraction has 8054 states and 12328 transitions. [2022-10-16 17:06:43,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states 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 17:06:43,217 INFO L276 IsEmpty]: Start isEmpty. Operand 8054 states and 12328 transitions. [2022-10-16 17:06:43,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 17:06:43,220 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:43,220 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:43,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 17:06:43,220 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:43,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:43,221 INFO L85 PathProgramCache]: Analyzing trace with hash 2028780390, now seen corresponding path program 1 times [2022-10-16 17:06:43,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:43,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550644875] [2022-10-16 17:06:43,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:43,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:43,249 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 17:06:43,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:43,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550644875] [2022-10-16 17:06:43,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550644875] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:43,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:43,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:06:43,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756262571] [2022-10-16 17:06:43,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:43,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:06:43,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:43,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:06:43,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:06:43,251 INFO L87 Difference]: Start difference. First operand 8054 states and 12328 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states 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 17:06:44,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:44,008 INFO L93 Difference]: Finished difference Result 16018 states and 24559 transitions. [2022-10-16 17:06:44,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:06:44,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 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 47 [2022-10-16 17:06:44,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:44,031 INFO L225 Difference]: With dead ends: 16018 [2022-10-16 17:06:44,031 INFO L226 Difference]: Without dead ends: 8014 [2022-10-16 17:06:44,043 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 17:06:44,044 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 186 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:44,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 191 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:44,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8014 states. [2022-10-16 17:06:44,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8014 to 8014. [2022-10-16 17:06:44,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8014 states, 8006 states have (on average 1.5343492380714465) internal successors, (12284), 8013 states have internal predecessors, (12284), 0 states have call successors, (0), 0 states 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 17:06:44,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8014 states to 8014 states and 12284 transitions. [2022-10-16 17:06:44,970 INFO L78 Accepts]: Start accepts. Automaton has 8014 states and 12284 transitions. Word has length 47 [2022-10-16 17:06:44,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:44,970 INFO L495 AbstractCegarLoop]: Abstraction has 8014 states and 12284 transitions. [2022-10-16 17:06:44,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states 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 17:06:44,971 INFO L276 IsEmpty]: Start isEmpty. Operand 8014 states and 12284 transitions. [2022-10-16 17:06:44,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-16 17:06:44,972 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:44,973 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:44,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 17:06:44,973 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:44,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:44,974 INFO L85 PathProgramCache]: Analyzing trace with hash 871976474, now seen corresponding path program 1 times [2022-10-16 17:06:44,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:44,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020658579] [2022-10-16 17:06:44,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:44,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:45,039 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:06:45,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:45,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020658579] [2022-10-16 17:06:45,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020658579] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:45,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:45,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:06:45,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340427935] [2022-10-16 17:06:45,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:45,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:06:45,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:45,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:06:45,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:06:45,041 INFO L87 Difference]: Start difference. First operand 8014 states and 12284 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states 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 17:06:45,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:45,774 INFO L93 Difference]: Finished difference Result 14451 states and 22240 transitions. [2022-10-16 17:06:45,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:06:45,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2022-10-16 17:06:45,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:45,795 INFO L225 Difference]: With dead ends: 14451 [2022-10-16 17:06:45,795 INFO L226 Difference]: Without dead ends: 7776 [2022-10-16 17:06:45,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 17:06:45,807 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 365 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:45,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 384 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:45,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7776 states. [2022-10-16 17:06:46,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7776 to 7772. [2022-10-16 17:06:46,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7772 states, 7764 states have (on average 1.5069551777434311) internal successors, (11700), 7771 states have internal predecessors, (11700), 0 states have call successors, (0), 0 states 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 17:06:46,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7772 states to 7772 states and 11700 transitions. [2022-10-16 17:06:46,660 INFO L78 Accepts]: Start accepts. Automaton has 7772 states and 11700 transitions. Word has length 48 [2022-10-16 17:06:46,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:46,660 INFO L495 AbstractCegarLoop]: Abstraction has 7772 states and 11700 transitions. [2022-10-16 17:06:46,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states 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 17:06:46,660 INFO L276 IsEmpty]: Start isEmpty. Operand 7772 states and 11700 transitions. [2022-10-16 17:06:46,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 17:06:46,663 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:46,663 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:46,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 17:06:46,664 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:46,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:46,664 INFO L85 PathProgramCache]: Analyzing trace with hash 346845800, now seen corresponding path program 1 times [2022-10-16 17:06:46,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:46,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143335002] [2022-10-16 17:06:46,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:46,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:46,737 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:06:46,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:46,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143335002] [2022-10-16 17:06:46,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143335002] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:46,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:46,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:06:46,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170250424] [2022-10-16 17:06:46,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:46,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:06:46,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:46,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:06:46,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:06:46,740 INFO L87 Difference]: Start difference. First operand 7772 states and 11700 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:06:47,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:47,440 INFO L93 Difference]: Finished difference Result 13248 states and 20041 transitions. [2022-10-16 17:06:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:06:47,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-10-16 17:06:47,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:47,455 INFO L225 Difference]: With dead ends: 13248 [2022-10-16 17:06:47,455 INFO L226 Difference]: Without dead ends: 6898 [2022-10-16 17:06:47,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 17:06:47,466 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 321 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:47,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 383 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:47,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6898 states. [2022-10-16 17:06:48,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6898 to 6892. [2022-10-16 17:06:48,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6892 states, 6884 states have (on average 1.4875072632190587) internal successors, (10240), 6891 states have internal predecessors, (10240), 0 states have call successors, (0), 0 states 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 17:06:48,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6892 states to 6892 states and 10240 transitions. [2022-10-16 17:06:48,067 INFO L78 Accepts]: Start accepts. Automaton has 6892 states and 10240 transitions. Word has length 51 [2022-10-16 17:06:48,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:48,068 INFO L495 AbstractCegarLoop]: Abstraction has 6892 states and 10240 transitions. [2022-10-16 17:06:48,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:06:48,068 INFO L276 IsEmpty]: Start isEmpty. Operand 6892 states and 10240 transitions. [2022-10-16 17:06:48,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 17:06:48,071 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:48,071 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:48,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 17:06:48,071 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:48,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:48,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1445267073, now seen corresponding path program 1 times [2022-10-16 17:06:48,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:48,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187898504] [2022-10-16 17:06:48,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:48,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:06:48,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:48,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187898504] [2022-10-16 17:06:48,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187898504] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:48,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:48,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:06:48,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253243429] [2022-10-16 17:06:48,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:48,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:06:48,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:48,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:06:48,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:06:48,216 INFO L87 Difference]: Start difference. First operand 6892 states and 10240 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:06:48,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:48,976 INFO L93 Difference]: Finished difference Result 12055 states and 18026 transitions. [2022-10-16 17:06:48,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:06:48,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-10-16 17:06:48,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:48,984 INFO L225 Difference]: With dead ends: 12055 [2022-10-16 17:06:48,984 INFO L226 Difference]: Without dead ends: 5853 [2022-10-16 17:06:48,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 17:06:48,992 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 319 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:48,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 386 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:49,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5853 states. [2022-10-16 17:06:49,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5853 to 5847. [2022-10-16 17:06:49,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5847 states, 5839 states have (on average 1.4985442712793287) internal successors, (8750), 5846 states have internal predecessors, (8750), 0 states have call successors, (0), 0 states 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 17:06:49,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5847 states to 5847 states and 8750 transitions. [2022-10-16 17:06:49,751 INFO L78 Accepts]: Start accepts. Automaton has 5847 states and 8750 transitions. Word has length 53 [2022-10-16 17:06:49,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:49,751 INFO L495 AbstractCegarLoop]: Abstraction has 5847 states and 8750 transitions. [2022-10-16 17:06:49,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:06:49,752 INFO L276 IsEmpty]: Start isEmpty. Operand 5847 states and 8750 transitions. [2022-10-16 17:06:49,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 17:06:49,754 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:49,754 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:49,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 17:06:49,755 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:49,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:49,755 INFO L85 PathProgramCache]: Analyzing trace with hash -252264569, now seen corresponding path program 1 times [2022-10-16 17:06:49,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:49,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249321692] [2022-10-16 17:06:49,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:49,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:49,846 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:06:49,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:49,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249321692] [2022-10-16 17:06:49,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249321692] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:49,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:49,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 17:06:49,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101239937] [2022-10-16 17:06:49,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:49,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:06:49,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:49,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:06:49,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:06:49,852 INFO L87 Difference]: Start difference. First operand 5847 states and 8750 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:06:50,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:50,467 INFO L93 Difference]: Finished difference Result 10456 states and 15333 transitions. [2022-10-16 17:06:50,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 17:06:50,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-10-16 17:06:50,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:50,481 INFO L225 Difference]: With dead ends: 10456 [2022-10-16 17:06:50,482 INFO L226 Difference]: Without dead ends: 4630 [2022-10-16 17:06:50,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:06:50,490 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 720 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 720 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:50,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [720 Valid, 544 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:50,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4630 states. [2022-10-16 17:06:50,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4630 to 3515. [2022-10-16 17:06:50,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3515 states, 3507 states have (on average 1.4063301967493584) internal successors, (4932), 3514 states have internal predecessors, (4932), 0 states have call successors, (0), 0 states 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 17:06:50,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4932 transitions. [2022-10-16 17:06:50,883 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4932 transitions. Word has length 54 [2022-10-16 17:06:50,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:50,883 INFO L495 AbstractCegarLoop]: Abstraction has 3515 states and 4932 transitions. [2022-10-16 17:06:50,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:06:50,889 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4932 transitions. [2022-10-16 17:06:50,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 17:06:50,892 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:50,892 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:50,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 17:06:50,892 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:50,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:50,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1876931005, now seen corresponding path program 1 times [2022-10-16 17:06:50,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:50,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461068639] [2022-10-16 17:06:50,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:50,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:06:50,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:50,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461068639] [2022-10-16 17:06:50,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461068639] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:50,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:50,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:06:50,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126300601] [2022-10-16 17:06:50,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:50,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:06:50,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:50,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:06:50,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:06:50,939 INFO L87 Difference]: Start difference. First operand 3515 states and 4932 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) 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 17:06:51,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:51,288 INFO L93 Difference]: Finished difference Result 6500 states and 9229 transitions. [2022-10-16 17:06:51,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:06:51,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) 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 17:06:51,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:51,294 INFO L225 Difference]: With dead ends: 6500 [2022-10-16 17:06:51,294 INFO L226 Difference]: Without dead ends: 3519 [2022-10-16 17:06:51,297 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 17:06:51,298 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 128 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:51,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 282 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:51,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3519 states. [2022-10-16 17:06:51,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3519 to 3515. [2022-10-16 17:06:51,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3515 states, 3507 states have (on average 1.3758197889934416) internal successors, (4825), 3514 states have internal predecessors, (4825), 0 states have call successors, (0), 0 states 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 17:06:51,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4825 transitions. [2022-10-16 17:06:51,577 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4825 transitions. Word has length 88 [2022-10-16 17:06:51,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:51,577 INFO L495 AbstractCegarLoop]: Abstraction has 3515 states and 4825 transitions. [2022-10-16 17:06:51,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) 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 17:06:51,578 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4825 transitions. [2022-10-16 17:06:51,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 17:06:51,580 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:51,580 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:51,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 17:06:51,580 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:51,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:51,581 INFO L85 PathProgramCache]: Analyzing trace with hash 509881233, now seen corresponding path program 1 times [2022-10-16 17:06:51,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:51,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178595432] [2022-10-16 17:06:51,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:51,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:06:51,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:51,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178595432] [2022-10-16 17:06:51,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178595432] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:51,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:51,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:06:51,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142818883] [2022-10-16 17:06:51,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:51,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:06:51,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:51,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:06:51,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:06:51,628 INFO L87 Difference]: Start difference. First operand 3515 states and 4825 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states 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 17:06:52,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:52,106 INFO L93 Difference]: Finished difference Result 6500 states and 9015 transitions. [2022-10-16 17:06:52,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:06:52,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2022-10-16 17:06:52,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:52,114 INFO L225 Difference]: With dead ends: 6500 [2022-10-16 17:06:52,114 INFO L226 Difference]: Without dead ends: 3519 [2022-10-16 17:06:52,119 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 17:06:52,120 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 129 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:52,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 283 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:52,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3519 states. [2022-10-16 17:06:52,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3519 to 3515. [2022-10-16 17:06:52,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3515 states, 3507 states have (on average 1.3424579412603366) internal successors, (4708), 3514 states have internal predecessors, (4708), 0 states have call successors, (0), 0 states 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 17:06:52,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4708 transitions. [2022-10-16 17:06:52,595 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4708 transitions. Word has length 89 [2022-10-16 17:06:52,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:52,596 INFO L495 AbstractCegarLoop]: Abstraction has 3515 states and 4708 transitions. [2022-10-16 17:06:52,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states 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 17:06:52,596 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4708 transitions. [2022-10-16 17:06:52,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 17:06:52,599 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:52,599 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:52,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 17:06:52,599 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:52,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:52,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1445897375, now seen corresponding path program 1 times [2022-10-16 17:06:52,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:52,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754413684] [2022-10-16 17:06:52,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:52,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:52,641 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:06:52,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:52,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754413684] [2022-10-16 17:06:52,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754413684] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:52,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:52,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:06:52,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623346528] [2022-10-16 17:06:52,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:52,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:06:52,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:52,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:06:52,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:06:52,643 INFO L87 Difference]: Start difference. First operand 3515 states and 4708 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states 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 17:06:53,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:53,132 INFO L93 Difference]: Finished difference Result 7139 states and 9560 transitions. [2022-10-16 17:06:53,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:06:53,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2022-10-16 17:06:53,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:53,138 INFO L225 Difference]: With dead ends: 7139 [2022-10-16 17:06:53,138 INFO L226 Difference]: Without dead ends: 3651 [2022-10-16 17:06:53,142 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 17:06:53,143 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 135 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:53,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 281 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:53,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3651 states. [2022-10-16 17:06:53,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3651 to 3334. [2022-10-16 17:06:53,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3334 states, 3326 states have (on average 1.294347564642213) internal successors, (4305), 3333 states have internal predecessors, (4305), 0 states have call successors, (0), 0 states 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 17:06:53,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 3334 states and 4305 transitions. [2022-10-16 17:06:53,448 INFO L78 Accepts]: Start accepts. Automaton has 3334 states and 4305 transitions. Word has length 90 [2022-10-16 17:06:53,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:53,449 INFO L495 AbstractCegarLoop]: Abstraction has 3334 states and 4305 transitions. [2022-10-16 17:06:53,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states 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 17:06:53,449 INFO L276 IsEmpty]: Start isEmpty. Operand 3334 states and 4305 transitions. [2022-10-16 17:06:53,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 17:06:53,452 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:53,452 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:53,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 17:06:53,452 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:53,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:53,453 INFO L85 PathProgramCache]: Analyzing trace with hash 453762675, now seen corresponding path program 1 times [2022-10-16 17:06:53,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:53,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22774194] [2022-10-16 17:06:53,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:53,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:53,533 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 17:06:53,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:53,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22774194] [2022-10-16 17:06:53,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22774194] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:53,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:53,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:06:53,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135199726] [2022-10-16 17:06:53,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:53,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:06:53,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:53,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:06:53,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:06:53,536 INFO L87 Difference]: Start difference. First operand 3334 states and 4305 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states 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 17:06:54,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:54,321 INFO L93 Difference]: Finished difference Result 6651 states and 8583 transitions. [2022-10-16 17:06:54,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:06:54,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 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 91 [2022-10-16 17:06:54,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:54,327 INFO L225 Difference]: With dead ends: 6651 [2022-10-16 17:06:54,328 INFO L226 Difference]: Without dead ends: 3621 [2022-10-16 17:06:54,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 17:06:54,331 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 431 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:54,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 480 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:06:54,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3621 states. [2022-10-16 17:06:54,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3621 to 3316. [2022-10-16 17:06:54,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3316 states, 3308 states have (on average 1.2705562273276905) internal successors, (4203), 3315 states have internal predecessors, (4203), 0 states have call successors, (0), 0 states 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 17:06:54,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3316 states to 3316 states and 4203 transitions. [2022-10-16 17:06:54,764 INFO L78 Accepts]: Start accepts. Automaton has 3316 states and 4203 transitions. Word has length 91 [2022-10-16 17:06:54,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:54,764 INFO L495 AbstractCegarLoop]: Abstraction has 3316 states and 4203 transitions. [2022-10-16 17:06:54,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states 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 17:06:54,764 INFO L276 IsEmpty]: Start isEmpty. Operand 3316 states and 4203 transitions. [2022-10-16 17:06:54,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 17:06:54,768 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:54,769 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:54,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 17:06:54,769 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:54,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:54,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1013649371, now seen corresponding path program 1 times [2022-10-16 17:06:54,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:54,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103581344] [2022-10-16 17:06:54,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:54,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:54,870 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 17:06:54,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:54,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103581344] [2022-10-16 17:06:54,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103581344] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:06:54,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632520687] [2022-10-16 17:06:54,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:54,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:06:54,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:06:54,879 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:06:54,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 17:06:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:54,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 17:06:54,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:06:55,186 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 17:06:55,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:06:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 17:06:55,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632520687] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:06:55,348 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:06:55,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2022-10-16 17:06:55,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050066215] [2022-10-16 17:06:55,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:06:55,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 17:06:55,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:55,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 17:06:55,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-10-16 17:06:55,350 INFO L87 Difference]: Start difference. First operand 3316 states and 4203 transitions. Second operand has 8 states, 7 states have (on average 41.285714285714285) internal successors, (289), 8 states have internal predecessors, (289), 0 states have call successors, (0), 0 states 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 17:06:56,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:56,813 INFO L93 Difference]: Finished difference Result 9244 states and 11609 transitions. [2022-10-16 17:06:56,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 17:06:56,814 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 41.285714285714285) internal successors, (289), 8 states have internal predecessors, (289), 0 states have call successors, (0), 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 17:06:56,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:56,826 INFO L225 Difference]: With dead ends: 9244 [2022-10-16 17:06:56,826 INFO L226 Difference]: Without dead ends: 9150 [2022-10-16 17:06:56,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2022-10-16 17:06:56,830 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 615 mSDsluCounter, 979 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:56,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 1149 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:06:56,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9150 states. [2022-10-16 17:06:57,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9150 to 5988. [2022-10-16 17:06:57,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5988 states, 5980 states have (on average 1.247324414715719) internal successors, (7459), 5987 states have internal predecessors, (7459), 0 states have call successors, (0), 0 states 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 17:06:57,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5988 states to 5988 states and 7459 transitions. [2022-10-16 17:06:57,465 INFO L78 Accepts]: Start accepts. Automaton has 5988 states and 7459 transitions. Word has length 104 [2022-10-16 17:06:57,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:57,465 INFO L495 AbstractCegarLoop]: Abstraction has 5988 states and 7459 transitions. [2022-10-16 17:06:57,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 41.285714285714285) internal successors, (289), 8 states have internal predecessors, (289), 0 states have call successors, (0), 0 states 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 17:06:57,466 INFO L276 IsEmpty]: Start isEmpty. Operand 5988 states and 7459 transitions. [2022-10-16 17:06:57,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 17:06:57,473 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:57,474 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:57,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 17:06:57,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-10-16 17:06:57,689 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:06:57,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:57,690 INFO L85 PathProgramCache]: Analyzing trace with hash -75866222, now seen corresponding path program 1 times [2022-10-16 17:06:57,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:57,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132200184] [2022-10-16 17:06:57,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:57,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:57,823 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 17:06:57,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:57,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132200184] [2022-10-16 17:06:57,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132200184] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:06:57,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056127066] [2022-10-16 17:06:57,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:57,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:06:57,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:06:57,825 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:06:57,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 17:06:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:57,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 17:06:57,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:06:57,993 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 17:06:57,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 17:06:57,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056127066] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:57,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 17:06:57,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-16 17:06:57,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87446359] [2022-10-16 17:06:57,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:57,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:06:57,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:57,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:06:57,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 17:06:57,995 INFO L87 Difference]: Start difference. First operand 5988 states and 7459 transitions. Second operand has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 17:06:59,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:59,307 INFO L93 Difference]: Finished difference Result 7733 states and 9636 transitions. [2022-10-16 17:06:59,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:06:59,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-16 17:06:59,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:59,317 INFO L225 Difference]: With dead ends: 7733 [2022-10-16 17:06:59,317 INFO L226 Difference]: Without dead ends: 7574 [2022-10-16 17:06:59,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 17:06:59,320 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 151 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:59,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 341 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:06:59,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7574 states. [2022-10-16 17:06:59,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7574 to 5886. [2022-10-16 17:06:59,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5886 states, 5878 states have (on average 1.2526369513439946) internal successors, (7363), 5885 states have internal predecessors, (7363), 0 states have call successors, (0), 0 states 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 17:07:00,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5886 states to 5886 states and 7363 transitions. [2022-10-16 17:07:00,004 INFO L78 Accepts]: Start accepts. Automaton has 5886 states and 7363 transitions. Word has length 118 [2022-10-16 17:07:00,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:00,004 INFO L495 AbstractCegarLoop]: Abstraction has 5886 states and 7363 transitions. [2022-10-16 17:07:00,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 17:07:00,005 INFO L276 IsEmpty]: Start isEmpty. Operand 5886 states and 7363 transitions. [2022-10-16 17:07:00,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 17:07:00,011 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:00,011 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:00,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 17:07:00,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:07:00,226 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:07:00,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:00,227 INFO L85 PathProgramCache]: Analyzing trace with hash -97976143, now seen corresponding path program 1 times [2022-10-16 17:07:00,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:00,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144269445] [2022-10-16 17:07:00,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:00,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:00,275 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 17:07:00,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:00,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144269445] [2022-10-16 17:07:00,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144269445] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:07:00,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:07:00,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:07:00,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160527890] [2022-10-16 17:07:00,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:07:00,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:07:00,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:00,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:07:00,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:07:00,279 INFO L87 Difference]: Start difference. First operand 5886 states and 7363 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:07:01,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:01,497 INFO L93 Difference]: Finished difference Result 11594 states and 14511 transitions. [2022-10-16 17:07:01,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:07:01,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-16 17:07:01,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:01,507 INFO L225 Difference]: With dead ends: 11594 [2022-10-16 17:07:01,507 INFO L226 Difference]: Without dead ends: 5869 [2022-10-16 17:07:01,513 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 17:07:01,518 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 16 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:01,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 317 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:07:01,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5869 states. [2022-10-16 17:07:02,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5869 to 5869. [2022-10-16 17:07:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5869 states, 5861 states have (on average 1.2504692032076437) internal successors, (7329), 5868 states have internal predecessors, (7329), 0 states have call successors, (0), 0 states 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 17:07:02,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5869 states to 5869 states and 7329 transitions. [2022-10-16 17:07:02,183 INFO L78 Accepts]: Start accepts. Automaton has 5869 states and 7329 transitions. Word has length 120 [2022-10-16 17:07:02,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:02,184 INFO L495 AbstractCegarLoop]: Abstraction has 5869 states and 7329 transitions. [2022-10-16 17:07:02,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:07:02,184 INFO L276 IsEmpty]: Start isEmpty. Operand 5869 states and 7329 transitions. [2022-10-16 17:07:02,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-16 17:07:02,190 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:02,191 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:02,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 17:07:02,191 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:07:02,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:02,192 INFO L85 PathProgramCache]: Analyzing trace with hash -792664275, now seen corresponding path program 1 times [2022-10-16 17:07:02,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:02,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393984623] [2022-10-16 17:07:02,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:02,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:02,292 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 17:07:02,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:02,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393984623] [2022-10-16 17:07:02,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393984623] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:07:02,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:07:02,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 17:07:02,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192317105] [2022-10-16 17:07:02,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:07:02,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:07:02,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:02,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:07:02,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:07:02,295 INFO L87 Difference]: Start difference. First operand 5869 states and 7329 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:07:02,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:02,772 INFO L93 Difference]: Finished difference Result 8596 states and 10785 transitions. [2022-10-16 17:07:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:07:02,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-10-16 17:07:02,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:02,776 INFO L225 Difference]: With dead ends: 8596 [2022-10-16 17:07:02,776 INFO L226 Difference]: Without dead ends: 3111 [2022-10-16 17:07:02,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 17:07:02,817 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 343 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:02,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 315 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:07:02,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3111 states. [2022-10-16 17:07:03,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3111 to 3095. [2022-10-16 17:07:03,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3095 states, 3087 states have (on average 1.2319403952057013) internal successors, (3803), 3094 states have internal predecessors, (3803), 0 states have call successors, (0), 0 states 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 17:07:03,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 3095 states and 3803 transitions. [2022-10-16 17:07:03,190 INFO L78 Accepts]: Start accepts. Automaton has 3095 states and 3803 transitions. Word has length 133 [2022-10-16 17:07:03,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:03,190 INFO L495 AbstractCegarLoop]: Abstraction has 3095 states and 3803 transitions. [2022-10-16 17:07:03,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:07:03,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 3803 transitions. [2022-10-16 17:07:03,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-10-16 17:07:03,192 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:03,193 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:03,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 17:07:03,193 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:07:03,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:03,194 INFO L85 PathProgramCache]: Analyzing trace with hash -568690400, now seen corresponding path program 1 times [2022-10-16 17:07:03,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:03,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218722379] [2022-10-16 17:07:03,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:03,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:03,245 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:07:03,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:03,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218722379] [2022-10-16 17:07:03,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218722379] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:07:03,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:07:03,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:07:03,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584660732] [2022-10-16 17:07:03,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:07:03,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:07:03,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:03,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:07:03,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:07:03,247 INFO L87 Difference]: Start difference. First operand 3095 states and 3803 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states 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 17:07:03,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:03,765 INFO L93 Difference]: Finished difference Result 5670 states and 7022 transitions. [2022-10-16 17:07:03,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:07:03,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 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 184 [2022-10-16 17:07:03,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:03,771 INFO L225 Difference]: With dead ends: 5670 [2022-10-16 17:07:03,771 INFO L226 Difference]: Without dead ends: 3031 [2022-10-16 17:07:03,775 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 17:07:03,775 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 1 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:03,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 328 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:07:03,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3031 states. [2022-10-16 17:07:04,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3031 to 2913. [2022-10-16 17:07:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2913 states, 2905 states have (on average 1.2161790017211704) internal successors, (3533), 2912 states have internal predecessors, (3533), 0 states have call successors, (0), 0 states 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 17:07:04,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2913 states and 3533 transitions. [2022-10-16 17:07:04,132 INFO L78 Accepts]: Start accepts. Automaton has 2913 states and 3533 transitions. Word has length 184 [2022-10-16 17:07:04,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:04,132 INFO L495 AbstractCegarLoop]: Abstraction has 2913 states and 3533 transitions. [2022-10-16 17:07:04,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states 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 17:07:04,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2913 states and 3533 transitions. [2022-10-16 17:07:04,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-10-16 17:07:04,135 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:04,136 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:04,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 17:07:04,136 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:07:04,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:04,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1746979631, now seen corresponding path program 1 times [2022-10-16 17:07:04,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:04,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308518768] [2022-10-16 17:07:04,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:04,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:04,197 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 17:07:04,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:04,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308518768] [2022-10-16 17:07:04,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308518768] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:07:04,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:07:04,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:07:04,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494944664] [2022-10-16 17:07:04,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:07:04,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:07:04,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:04,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:07:04,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:07:04,200 INFO L87 Difference]: Start difference. First operand 2913 states and 3533 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states 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 17:07:04,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:04,593 INFO L93 Difference]: Finished difference Result 5679 states and 6899 transitions. [2022-10-16 17:07:04,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:07:04,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 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 191 [2022-10-16 17:07:04,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:04,599 INFO L225 Difference]: With dead ends: 5679 [2022-10-16 17:07:04,599 INFO L226 Difference]: Without dead ends: 3216 [2022-10-16 17:07:04,601 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 17:07:04,602 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 144 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:04,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 324 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:07:04,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3216 states. [2022-10-16 17:07:04,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3216 to 2794. [2022-10-16 17:07:04,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2794 states, 2786 states have (on average 1.1931083991385498) internal successors, (3324), 2793 states have internal predecessors, (3324), 0 states have call successors, (0), 0 states 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 17:07:04,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2794 states and 3324 transitions. [2022-10-16 17:07:04,941 INFO L78 Accepts]: Start accepts. Automaton has 2794 states and 3324 transitions. Word has length 191 [2022-10-16 17:07:04,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:04,942 INFO L495 AbstractCegarLoop]: Abstraction has 2794 states and 3324 transitions. [2022-10-16 17:07:04,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states 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 17:07:04,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 3324 transitions. [2022-10-16 17:07:04,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-10-16 17:07:04,943 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:04,944 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:04,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 17:07:04,944 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:07:04,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:04,945 INFO L85 PathProgramCache]: Analyzing trace with hash 915244359, now seen corresponding path program 1 times [2022-10-16 17:07:04,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:04,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636617027] [2022-10-16 17:07:04,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:04,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:05,006 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-10-16 17:07:05,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:05,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636617027] [2022-10-16 17:07:05,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636617027] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:07:05,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:07:05,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:07:05,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399219968] [2022-10-16 17:07:05,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:07:05,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:07:05,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:05,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:07:05,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:07:05,008 INFO L87 Difference]: Start difference. First operand 2794 states and 3324 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states 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 17:07:05,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:05,431 INFO L93 Difference]: Finished difference Result 4761 states and 5719 transitions. [2022-10-16 17:07:05,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:07:05,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 196 [2022-10-16 17:07:05,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:05,436 INFO L225 Difference]: With dead ends: 4761 [2022-10-16 17:07:05,436 INFO L226 Difference]: Without dead ends: 2415 [2022-10-16 17:07:05,439 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 17:07:05,440 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 3 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:05,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 323 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:07:05,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2415 states. [2022-10-16 17:07:05,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2415 to 2321. [2022-10-16 17:07:05,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2321 states, 2313 states have (on average 1.1746649373108518) internal successors, (2717), 2320 states have internal predecessors, (2717), 0 states have call successors, (0), 0 states 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 17:07:05,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 2321 states and 2717 transitions. [2022-10-16 17:07:05,756 INFO L78 Accepts]: Start accepts. Automaton has 2321 states and 2717 transitions. Word has length 196 [2022-10-16 17:07:05,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:05,756 INFO L495 AbstractCegarLoop]: Abstraction has 2321 states and 2717 transitions. [2022-10-16 17:07:05,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states 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 17:07:05,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 2717 transitions. [2022-10-16 17:07:05,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-10-16 17:07:05,758 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:05,759 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:05,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 17:07:05,759 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:07:05,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:05,760 INFO L85 PathProgramCache]: Analyzing trace with hash 888178757, now seen corresponding path program 1 times [2022-10-16 17:07:05,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:05,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376540091] [2022-10-16 17:07:05,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:05,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:05,925 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:07:05,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:05,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376540091] [2022-10-16 17:07:05,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376540091] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:07:05,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671571331] [2022-10-16 17:07:05,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:05,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:07:05,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:07:05,927 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:07:05,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 17:07:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:06,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 17:07:06,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:07:06,262 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:07:06,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:07:06,513 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:07:06,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671571331] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:07:06,513 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:07:06,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2022-10-16 17:07:06,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936593201] [2022-10-16 17:07:06,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:07:06,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 17:07:06,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:06,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 17:07:06,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-10-16 17:07:06,516 INFO L87 Difference]: Start difference. First operand 2321 states and 2717 transitions. Second operand has 11 states, 10 states have (on average 54.7) internal successors, (547), 11 states have internal predecessors, (547), 0 states have call successors, (0), 0 states 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 17:07:07,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:07,164 INFO L93 Difference]: Finished difference Result 3548 states and 4120 transitions. [2022-10-16 17:07:07,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:07:07,165 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 54.7) internal successors, (547), 11 states have internal predecessors, (547), 0 states have call successors, (0), 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 196 [2022-10-16 17:07:07,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:07,171 INFO L225 Difference]: With dead ends: 3548 [2022-10-16 17:07:07,171 INFO L226 Difference]: Without dead ends: 3544 [2022-10-16 17:07:07,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 386 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2022-10-16 17:07:07,179 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 1020 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:07,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1020 Valid, 1274 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:07:07,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3544 states. [2022-10-16 17:07:07,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3544 to 2909. [2022-10-16 17:07:07,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2909 states, 2901 states have (on average 1.1644260599793175) internal successors, (3378), 2908 states have internal predecessors, (3378), 0 states have call successors, (0), 0 states 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 17:07:07,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2909 states and 3378 transitions. [2022-10-16 17:07:07,615 INFO L78 Accepts]: Start accepts. Automaton has 2909 states and 3378 transitions. Word has length 196 [2022-10-16 17:07:07,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:07,615 INFO L495 AbstractCegarLoop]: Abstraction has 2909 states and 3378 transitions. [2022-10-16 17:07:07,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 54.7) internal successors, (547), 11 states have internal predecessors, (547), 0 states have call successors, (0), 0 states 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 17:07:07,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2909 states and 3378 transitions. [2022-10-16 17:07:07,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-10-16 17:07:07,618 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:07,618 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:07,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 17:07:07,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:07:07,819 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:07:07,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:07,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1908782189, now seen corresponding path program 1 times [2022-10-16 17:07:07,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:07,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660780802] [2022-10-16 17:07:07,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:07,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:07,896 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:07:07,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:07,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660780802] [2022-10-16 17:07:07,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660780802] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:07:07,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:07:07,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:07:07,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612298896] [2022-10-16 17:07:07,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:07:07,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:07:07,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:07,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:07:07,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:07:07,899 INFO L87 Difference]: Start difference. First operand 2909 states and 3378 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states 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 17:07:08,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:08,157 INFO L93 Difference]: Finished difference Result 3342 states and 3865 transitions. [2022-10-16 17:07:08,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:07:08,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 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 209 [2022-10-16 17:07:08,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:08,161 INFO L225 Difference]: With dead ends: 3342 [2022-10-16 17:07:08,161 INFO L226 Difference]: Without dead ends: 1467 [2022-10-16 17:07:08,162 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 17:07:08,163 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 38 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:08,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 317 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:07:08,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2022-10-16 17:07:08,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1467. [2022-10-16 17:07:08,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 1459 states have (on average 1.115832762165867) internal successors, (1628), 1466 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states 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 17:07:08,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 1628 transitions. [2022-10-16 17:07:08,342 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 1628 transitions. Word has length 209 [2022-10-16 17:07:08,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:08,342 INFO L495 AbstractCegarLoop]: Abstraction has 1467 states and 1628 transitions. [2022-10-16 17:07:08,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states 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 17:07:08,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1628 transitions. [2022-10-16 17:07:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-10-16 17:07:08,344 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:08,344 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:08,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 17:07:08,344 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:07:08,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:08,345 INFO L85 PathProgramCache]: Analyzing trace with hash -769664714, now seen corresponding path program 1 times [2022-10-16 17:07:08,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:08,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737562840] [2022-10-16 17:07:08,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:08,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:08,962 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:07:08,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:08,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737562840] [2022-10-16 17:07:08,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737562840] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:07:08,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580401685] [2022-10-16 17:07:08,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:08,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:07:08,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:07:08,965 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:07:08,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 17:07:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:09,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 17:07:09,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:07:09,324 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 17:07:09,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:07:09,531 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 17:07:09,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580401685] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:07:09,531 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:07:09,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 10] total 16 [2022-10-16 17:07:09,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036374044] [2022-10-16 17:07:09,532 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:07:09,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 17:07:09,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:09,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 17:07:09,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:07:09,536 INFO L87 Difference]: Start difference. First operand 1467 states and 1628 transitions. Second operand has 16 states, 16 states have (on average 25.1875) internal successors, (403), 16 states have internal predecessors, (403), 0 states have call successors, (0), 0 states 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 17:07:11,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:11,192 INFO L93 Difference]: Finished difference Result 4402 states and 4898 transitions. [2022-10-16 17:07:11,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-16 17:07:11,194 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 25.1875) internal successors, (403), 16 states have internal predecessors, (403), 0 states have call successors, (0), 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 17:07:11,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:11,198 INFO L225 Difference]: With dead ends: 4402 [2022-10-16 17:07:11,198 INFO L226 Difference]: Without dead ends: 3554 [2022-10-16 17:07:11,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 500 GetRequests, 440 SyntacticMatches, 8 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 796 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=603, Invalid=2259, Unknown=0, NotChecked=0, Total=2862 [2022-10-16 17:07:11,202 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 3956 mSDsluCounter, 3079 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3956 SdHoareTripleChecker+Valid, 3395 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:11,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3956 Valid, 3395 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 17:07:11,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3554 states. [2022-10-16 17:07:11,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3554 to 2053. [2022-10-16 17:07:11,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2053 states, 2045 states have (on average 1.1168704156479217) internal successors, (2284), 2052 states have internal predecessors, (2284), 0 states have call successors, (0), 0 states 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 17:07:11,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 2053 states and 2284 transitions. [2022-10-16 17:07:11,459 INFO L78 Accepts]: Start accepts. Automaton has 2053 states and 2284 transitions. Word has length 212 [2022-10-16 17:07:11,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:11,460 INFO L495 AbstractCegarLoop]: Abstraction has 2053 states and 2284 transitions. [2022-10-16 17:07:11,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 25.1875) internal successors, (403), 16 states have internal predecessors, (403), 0 states have call successors, (0), 0 states 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 17:07:11,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2284 transitions. [2022-10-16 17:07:11,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-10-16 17:07:11,462 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:11,463 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:11,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 17:07:11,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-10-16 17:07:11,677 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:07:11,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:11,678 INFO L85 PathProgramCache]: Analyzing trace with hash -640218490, now seen corresponding path program 1 times [2022-10-16 17:07:11,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:11,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142295068] [2022-10-16 17:07:11,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:11,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:12,174 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:07:12,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:12,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142295068] [2022-10-16 17:07:12,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142295068] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:07:12,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395896081] [2022-10-16 17:07:12,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:12,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:07:12,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:07:12,180 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:07:12,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 17:07:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:12,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 17:07:12,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:07:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 17:07:12,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:07:12,925 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 17:07:12,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395896081] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:07:12,925 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:07:12,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 18 [2022-10-16 17:07:12,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907309701] [2022-10-16 17:07:12,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:07:12,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-16 17:07:12,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:12,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-16 17:07:12,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2022-10-16 17:07:12,929 INFO L87 Difference]: Start difference. First operand 2053 states and 2284 transitions. Second operand has 19 states, 18 states have (on average 33.44444444444444) internal successors, (602), 19 states have internal predecessors, (602), 0 states have call successors, (0), 0 states 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 17:07:14,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:14,574 INFO L93 Difference]: Finished difference Result 5525 states and 6174 transitions. [2022-10-16 17:07:14,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-16 17:07:14,575 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 33.44444444444444) internal successors, (602), 19 states have internal predecessors, (602), 0 states have call successors, (0), 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 215 [2022-10-16 17:07:14,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:14,582 INFO L225 Difference]: With dead ends: 5525 [2022-10-16 17:07:14,582 INFO L226 Difference]: Without dead ends: 5523 [2022-10-16 17:07:14,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 420 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=629, Invalid=1351, Unknown=0, NotChecked=0, Total=1980 [2022-10-16 17:07:14,586 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 5475 mSDsluCounter, 2499 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5475 SdHoareTripleChecker+Valid, 2768 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:14,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5475 Valid, 2768 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 17:07:14,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5523 states. [2022-10-16 17:07:15,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5523 to 3620. [2022-10-16 17:07:15,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3620 states, 3612 states have (on average 1.1212624584717608) internal successors, (4050), 3619 states have internal predecessors, (4050), 0 states have call successors, (0), 0 states 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 17:07:15,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3620 states to 3620 states and 4050 transitions. [2022-10-16 17:07:15,008 INFO L78 Accepts]: Start accepts. Automaton has 3620 states and 4050 transitions. Word has length 215 [2022-10-16 17:07:15,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:15,010 INFO L495 AbstractCegarLoop]: Abstraction has 3620 states and 4050 transitions. [2022-10-16 17:07:15,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 33.44444444444444) internal successors, (602), 19 states have internal predecessors, (602), 0 states have call successors, (0), 0 states 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 17:07:15,010 INFO L276 IsEmpty]: Start isEmpty. Operand 3620 states and 4050 transitions. [2022-10-16 17:07:15,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-10-16 17:07:15,012 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:15,012 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:15,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 17:07:15,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-10-16 17:07:15,220 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:07:15,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:15,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1628063667, now seen corresponding path program 1 times [2022-10-16 17:07:15,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:15,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553478694] [2022-10-16 17:07:15,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:15,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:15,536 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 17:07:15,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:15,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553478694] [2022-10-16 17:07:15,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553478694] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:07:15,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987653636] [2022-10-16 17:07:15,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:15,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:07:15,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:07:15,540 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:07:15,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 17:07:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:15,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 17:07:15,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:07:15,942 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 28 proven. 92 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 17:07:15,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:07:16,330 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 28 proven. 92 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 17:07:16,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987653636] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:07:16,331 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:07:16,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2022-10-16 17:07:16,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185825429] [2022-10-16 17:07:16,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:07:16,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 17:07:16,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:16,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 17:07:16,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-10-16 17:07:16,333 INFO L87 Difference]: Start difference. First operand 3620 states and 4050 transitions. Second operand has 18 states, 17 states have (on average 30.235294117647058) internal successors, (514), 18 states have internal predecessors, (514), 0 states have call successors, (0), 0 states 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 17:07:17,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:17,436 INFO L93 Difference]: Finished difference Result 6676 states and 7481 transitions. [2022-10-16 17:07:17,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 17:07:17,436 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 30.235294117647058) internal successors, (514), 18 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 216 [2022-10-16 17:07:17,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:17,443 INFO L225 Difference]: With dead ends: 6676 [2022-10-16 17:07:17,443 INFO L226 Difference]: Without dead ends: 6674 [2022-10-16 17:07:17,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 423 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2022-10-16 17:07:17,445 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 2791 mSDsluCounter, 1533 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2791 SdHoareTripleChecker+Valid, 1884 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:17,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2791 Valid, 1884 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:07:17,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2022-10-16 17:07:17,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 3618. [2022-10-16 17:07:17,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3618 states, 3612 states have (on average 1.1173864894795127) internal successors, (4036), 3617 states have internal predecessors, (4036), 0 states have call successors, (0), 0 states 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 17:07:17,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3618 states to 3618 states and 4036 transitions. [2022-10-16 17:07:17,959 INFO L78 Accepts]: Start accepts. Automaton has 3618 states and 4036 transitions. Word has length 216 [2022-10-16 17:07:17,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:17,959 INFO L495 AbstractCegarLoop]: Abstraction has 3618 states and 4036 transitions. [2022-10-16 17:07:17,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 30.235294117647058) internal successors, (514), 18 states have internal predecessors, (514), 0 states have call successors, (0), 0 states 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 17:07:17,960 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 4036 transitions. [2022-10-16 17:07:17,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-10-16 17:07:17,963 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:17,963 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:17,991 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-10-16 17:07:18,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-10-16 17:07:18,167 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:07:18,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:18,168 INFO L85 PathProgramCache]: Analyzing trace with hash 2104592147, now seen corresponding path program 1 times [2022-10-16 17:07:18,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:18,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826935063] [2022-10-16 17:07:18,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:18,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:18,255 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-10-16 17:07:18,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:18,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826935063] [2022-10-16 17:07:18,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826935063] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:07:18,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:07:18,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:07:18,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335093648] [2022-10-16 17:07:18,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:07:18,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:07:18,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:18,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:07:18,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:07:18,257 INFO L87 Difference]: Start difference. First operand 3618 states and 4036 transitions. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:07:18,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:18,558 INFO L93 Difference]: Finished difference Result 4445 states and 4940 transitions. [2022-10-16 17:07:18,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:07:18,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 306 [2022-10-16 17:07:18,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:18,561 INFO L225 Difference]: With dead ends: 4445 [2022-10-16 17:07:18,561 INFO L226 Difference]: Without dead ends: 1314 [2022-10-16 17:07:18,563 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 17:07:18,563 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:18,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 323 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:07:18,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2022-10-16 17:07:18,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1248. [2022-10-16 17:07:18,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1248 states, 1242 states have (on average 1.0998389694041868) internal successors, (1366), 1247 states have internal predecessors, (1366), 0 states have call successors, (0), 0 states 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 17:07:18,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1366 transitions. [2022-10-16 17:07:18,773 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1366 transitions. Word has length 306 [2022-10-16 17:07:18,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:18,773 INFO L495 AbstractCegarLoop]: Abstraction has 1248 states and 1366 transitions. [2022-10-16 17:07:18,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:07:18,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1366 transitions. [2022-10-16 17:07:18,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-10-16 17:07:18,775 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:18,776 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:18,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 17:07:18,776 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:07:18,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:18,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1624230190, now seen corresponding path program 2 times [2022-10-16 17:07:18,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:18,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861605312] [2022-10-16 17:07:18,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:18,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:19,238 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 322 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:07:19,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:19,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861605312] [2022-10-16 17:07:19,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861605312] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:07:19,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319523319] [2022-10-16 17:07:19,239 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 17:07:19,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:07:19,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:07:19,241 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:07:19,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 17:07:19,376 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 17:07:19,377 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:07:19,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 17:07:19,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:07:19,753 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 15 proven. 307 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:07:19,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:07:20,258 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 15 proven. 307 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:07:20,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319523319] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:07:20,258 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:07:20,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2022-10-16 17:07:20,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599020202] [2022-10-16 17:07:20,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:07:20,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 17:07:20,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:20,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 17:07:20,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=389, Unknown=0, NotChecked=0, Total=462 [2022-10-16 17:07:20,261 INFO L87 Difference]: Start difference. First operand 1248 states and 1366 transitions. Second operand has 22 states, 21 states have (on average 32.666666666666664) internal successors, (686), 22 states have internal predecessors, (686), 0 states have call successors, (0), 0 states 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 17:07:21,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:21,131 INFO L93 Difference]: Finished difference Result 1974 states and 2160 transitions. [2022-10-16 17:07:21,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 17:07:21,132 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 32.666666666666664) internal successors, (686), 22 states have internal predecessors, (686), 0 states have call successors, (0), 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 308 [2022-10-16 17:07:21,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:21,134 INFO L225 Difference]: With dead ends: 1974 [2022-10-16 17:07:21,135 INFO L226 Difference]: Without dead ends: 1972 [2022-10-16 17:07:21,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 605 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=401, Invalid=1081, Unknown=0, NotChecked=0, Total=1482 [2022-10-16 17:07:21,136 INFO L413 NwaCegarLoop]: 411 mSDtfsCounter, 3792 mSDsluCounter, 2352 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3792 SdHoareTripleChecker+Valid, 2763 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:21,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3792 Valid, 2763 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 17:07:21,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1972 states. [2022-10-16 17:07:21,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1972 to 1246. [2022-10-16 17:07:21,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1246 states, 1242 states have (on average 1.0950080515297906) internal successors, (1360), 1245 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states 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 17:07:21,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 1360 transitions. [2022-10-16 17:07:21,332 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 1360 transitions. Word has length 308 [2022-10-16 17:07:21,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:21,332 INFO L495 AbstractCegarLoop]: Abstraction has 1246 states and 1360 transitions. [2022-10-16 17:07:21,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 32.666666666666664) internal successors, (686), 22 states have internal predecessors, (686), 0 states have call successors, (0), 0 states 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 17:07:21,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1360 transitions. [2022-10-16 17:07:21,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-10-16 17:07:21,334 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:21,335 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:21,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 17:07:21,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:07:21,536 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:07:21,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:21,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1812073996, now seen corresponding path program 1 times [2022-10-16 17:07:21,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:21,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096766727] [2022-10-16 17:07:21,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:21,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:21,972 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:07:21,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:21,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096766727] [2022-10-16 17:07:21,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096766727] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:07:21,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761344830] [2022-10-16 17:07:21,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:21,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:07:21,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:07:21,974 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:07:21,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 17:07:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:22,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 17:07:22,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:07:22,472 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:07:22,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:07:22,972 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:07:22,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761344830] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:07:22,972 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:07:22,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2022-10-16 17:07:22,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857134] [2022-10-16 17:07:22,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:07:22,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 17:07:22,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:22,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 17:07:22,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2022-10-16 17:07:22,975 INFO L87 Difference]: Start difference. First operand 1246 states and 1360 transitions. Second operand has 22 states, 21 states have (on average 32.857142857142854) internal successors, (690), 22 states have internal predecessors, (690), 0 states have call successors, (0), 0 states 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 17:07:24,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:24,473 INFO L93 Difference]: Finished difference Result 2332 states and 2534 transitions. [2022-10-16 17:07:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-10-16 17:07:24,473 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 32.857142857142854) internal successors, (690), 22 states have internal predecessors, (690), 0 states have call successors, (0), 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 310 [2022-10-16 17:07:24,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:24,476 INFO L225 Difference]: With dead ends: 2332 [2022-10-16 17:07:24,476 INFO L226 Difference]: Without dead ends: 2328 [2022-10-16 17:07:24,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 662 GetRequests, 609 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 739 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=842, Invalid=2020, Unknown=0, NotChecked=0, Total=2862 [2022-10-16 17:07:24,478 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 5724 mSDsluCounter, 2592 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5724 SdHoareTripleChecker+Valid, 2843 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 325 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:24,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5724 Valid, 2843 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [325 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 17:07:24,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2328 states. [2022-10-16 17:07:24,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2328 to 1802. [2022-10-16 17:07:24,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1802 states, 1798 states have (on average 1.0917686318131257) internal successors, (1963), 1801 states have internal predecessors, (1963), 0 states have call successors, (0), 0 states 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 17:07:24,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 1963 transitions. [2022-10-16 17:07:24,772 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 1963 transitions. Word has length 310 [2022-10-16 17:07:24,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:24,773 INFO L495 AbstractCegarLoop]: Abstraction has 1802 states and 1963 transitions. [2022-10-16 17:07:24,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 32.857142857142854) internal successors, (690), 22 states have internal predecessors, (690), 0 states have call successors, (0), 0 states 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 17:07:24,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 1963 transitions. [2022-10-16 17:07:24,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2022-10-16 17:07:24,777 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:24,777 INFO L195 NwaCegarLoop]: trace histogram [12, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:24,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 17:07:24,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2022-10-16 17:07:24,983 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:07:24,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:24,984 INFO L85 PathProgramCache]: Analyzing trace with hash -515959836, now seen corresponding path program 1 times [2022-10-16 17:07:24,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:24,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949919660] [2022-10-16 17:07:24,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:24,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:26,297 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 790 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-10-16 17:07:26,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:26,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949919660] [2022-10-16 17:07:26,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949919660] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:07:26,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693326996] [2022-10-16 17:07:26,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:26,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:07:26,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:07:26,299 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:07:26,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 17:07:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:26,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-16 17:07:26,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:07:27,019 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 17:07:27,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:07:27,861 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 17:07:27,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693326996] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:07:27,861 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:07:27,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19, 19] total 43 [2022-10-16 17:07:27,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647159011] [2022-10-16 17:07:27,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:07:27,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-10-16 17:07:27,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:27,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-10-16 17:07:27,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=1613, Unknown=0, NotChecked=0, Total=1892 [2022-10-16 17:07:27,865 INFO L87 Difference]: Start difference. First operand 1802 states and 1963 transitions. Second operand has 44 states, 43 states have (on average 27.348837209302324) internal successors, (1176), 44 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states 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 17:07:32,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:32,136 INFO L93 Difference]: Finished difference Result 3753 states and 4068 transitions. [2022-10-16 17:07:32,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-10-16 17:07:32,137 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 27.348837209302324) internal successors, (1176), 44 states have internal predecessors, (1176), 0 states have call successors, (0), 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 450 [2022-10-16 17:07:32,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:32,141 INFO L225 Difference]: With dead ends: 3753 [2022-10-16 17:07:32,141 INFO L226 Difference]: Without dead ends: 3751 [2022-10-16 17:07:32,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 989 GetRequests, 879 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4161 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=3869, Invalid=8563, Unknown=0, NotChecked=0, Total=12432 [2022-10-16 17:07:32,146 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 14956 mSDsluCounter, 5994 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 842 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14956 SdHoareTripleChecker+Valid, 6247 SdHoareTripleChecker+Invalid, 1547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 842 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:32,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14956 Valid, 6247 Invalid, 1547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [842 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 17:07:32,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3751 states. [2022-10-16 17:07:32,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3751 to 2494. [2022-10-16 17:07:32,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2494 states, 2490 states have (on average 1.091164658634538) internal successors, (2717), 2493 states have internal predecessors, (2717), 0 states have call successors, (0), 0 states 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 17:07:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2494 states and 2717 transitions. [2022-10-16 17:07:32,570 INFO L78 Accepts]: Start accepts. Automaton has 2494 states and 2717 transitions. Word has length 450 [2022-10-16 17:07:32,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:32,571 INFO L495 AbstractCegarLoop]: Abstraction has 2494 states and 2717 transitions. [2022-10-16 17:07:32,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 27.348837209302324) internal successors, (1176), 44 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states 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 17:07:32,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 2717 transitions. [2022-10-16 17:07:32,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2022-10-16 17:07:32,579 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:32,580 INFO L195 NwaCegarLoop]: trace histogram [18, 11, 11, 11, 11, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:32,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 17:07:32,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:07:32,794 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:07:32,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:32,795 INFO L85 PathProgramCache]: Analyzing trace with hash -335668219, now seen corresponding path program 1 times [2022-10-16 17:07:32,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:32,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579754924] [2022-10-16 17:07:32,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:32,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:34,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1901 backedges. 0 proven. 1875 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:07:34,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:34,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579754924] [2022-10-16 17:07:34,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579754924] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:07:34,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122478794] [2022-10-16 17:07:34,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:34,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:07:34,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:07:34,675 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:07:34,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 17:07:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:34,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 1509 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-16 17:07:34,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:07:35,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1901 backedges. 0 proven. 1875 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:07:35,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:07:36,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1901 backedges. 0 proven. 1875 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:07:36,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122478794] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:07:36,967 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:07:36,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 51 [2022-10-16 17:07:36,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614741001] [2022-10-16 17:07:36,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:07:36,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-10-16 17:07:36,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:36,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-10-16 17:07:36,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=2267, Unknown=0, NotChecked=0, Total=2652 [2022-10-16 17:07:36,973 INFO L87 Difference]: Start difference. First operand 2494 states and 2717 transitions. Second operand has 52 states, 51 states have (on average 26.470588235294116) internal successors, (1350), 52 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states 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 17:07:43,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:43,849 INFO L93 Difference]: Finished difference Result 5009 states and 5424 transitions. [2022-10-16 17:07:43,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-10-16 17:07:43,850 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 51 states have (on average 26.470588235294116) internal successors, (1350), 52 states have internal predecessors, (1350), 0 states have call successors, (0), 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 640 [2022-10-16 17:07:43,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:43,855 INFO L225 Difference]: With dead ends: 5009 [2022-10-16 17:07:43,855 INFO L226 Difference]: Without dead ends: 5005 [2022-10-16 17:07:43,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1401 GetRequests, 1257 SyntacticMatches, 1 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6570 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=6360, Invalid=14520, Unknown=0, NotChecked=0, Total=20880 [2022-10-16 17:07:43,863 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 24267 mSDsluCounter, 6666 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 1420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24267 SdHoareTripleChecker+Valid, 6916 SdHoareTripleChecker+Invalid, 2593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1420 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:43,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24267 Valid, 6916 Invalid, 2593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1420 Valid, 1173 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 17:07:43,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5005 states. [2022-10-16 17:07:44,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5005 to 3549. [2022-10-16 17:07:44,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3549 states, 3545 states have (on average 1.0880112834978843) internal successors, (3857), 3548 states have internal predecessors, (3857), 0 states have call successors, (0), 0 states 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 17:07:44,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3549 states and 3857 transitions. [2022-10-16 17:07:44,505 INFO L78 Accepts]: Start accepts. Automaton has 3549 states and 3857 transitions. Word has length 640 [2022-10-16 17:07:44,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:44,506 INFO L495 AbstractCegarLoop]: Abstraction has 3549 states and 3857 transitions. [2022-10-16 17:07:44,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 51 states have (on average 26.470588235294116) internal successors, (1350), 52 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states 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 17:07:44,507 INFO L276 IsEmpty]: Start isEmpty. Operand 3549 states and 3857 transitions. [2022-10-16 17:07:44,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 755 [2022-10-16 17:07:44,515 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:44,516 INFO L195 NwaCegarLoop]: trace histogram [21, 13, 13, 13, 13, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:44,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-10-16 17:07:44,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2022-10-16 17:07:44,730 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:07:44,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:44,731 INFO L85 PathProgramCache]: Analyzing trace with hash -851896908, now seen corresponding path program 2 times [2022-10-16 17:07:44,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:44,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761842521] [2022-10-16 17:07:44,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:44,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:47,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2716 backedges. 0 proven. 2690 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:07:47,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:47,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761842521] [2022-10-16 17:07:47,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761842521] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:07:47,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548402259] [2022-10-16 17:07:47,084 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 17:07:47,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:07:47,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:07:47,090 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:07:47,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 17:07:47,334 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 17:07:47,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:07:47,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 1756 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-16 17:07:47,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:07:48,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2716 backedges. 0 proven. 2690 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:07:48,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:07:49,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2716 backedges. 0 proven. 2690 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:07:49,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548402259] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:07:49,870 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:07:49,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 61 [2022-10-16 17:07:49,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718734333] [2022-10-16 17:07:49,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:07:49,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-10-16 17:07:49,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:49,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-10-16 17:07:49,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=544, Invalid=3238, Unknown=0, NotChecked=0, Total=3782 [2022-10-16 17:07:49,876 INFO L87 Difference]: Start difference. First operand 3549 states and 3857 transitions. Second operand has 62 states, 61 states have (on average 25.868852459016395) internal successors, (1578), 62 states have internal predecessors, (1578), 0 states have call successors, (0), 0 states 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 17:07:59,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:59,324 INFO L93 Difference]: Finished difference Result 5892 states and 6374 transitions. [2022-10-16 17:07:59,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-10-16 17:07:59,325 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 61 states have (on average 25.868852459016395) internal successors, (1578), 62 states have internal predecessors, (1578), 0 states have call successors, (0), 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 754 [2022-10-16 17:07:59,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:59,330 INFO L225 Difference]: With dead ends: 5892 [2022-10-16 17:07:59,330 INFO L226 Difference]: Without dead ends: 5888 [2022-10-16 17:07:59,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1654 GetRequests, 1481 SyntacticMatches, 1 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9598 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=9222, Invalid=20880, Unknown=0, NotChecked=0, Total=30102 [2022-10-16 17:07:59,336 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 29118 mSDsluCounter, 8123 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 1741 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29118 SdHoareTripleChecker+Valid, 8374 SdHoareTripleChecker+Invalid, 3079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1741 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:59,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29118 Valid, 8374 Invalid, 3079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1741 Valid, 1338 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 17:07:59,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5888 states. [2022-10-16 17:08:00,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5888 to 4138. [2022-10-16 17:08:00,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4138 states, 4134 states have (on average 1.086357039187228) internal successors, (4491), 4137 states have internal predecessors, (4491), 0 states have call successors, (0), 0 states 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 17:08:00,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 4138 states and 4491 transitions. [2022-10-16 17:08:00,079 INFO L78 Accepts]: Start accepts. Automaton has 4138 states and 4491 transitions. Word has length 754 [2022-10-16 17:08:00,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:08:00,079 INFO L495 AbstractCegarLoop]: Abstraction has 4138 states and 4491 transitions. [2022-10-16 17:08:00,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 61 states have (on average 25.868852459016395) internal successors, (1578), 62 states have internal predecessors, (1578), 0 states have call successors, (0), 0 states 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 17:08:00,080 INFO L276 IsEmpty]: Start isEmpty. Operand 4138 states and 4491 transitions. [2022-10-16 17:08:00,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1339 [2022-10-16 17:08:00,096 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:08:00,097 INFO L195 NwaCegarLoop]: trace histogram [36, 23, 23, 23, 23, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:08:00,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-10-16 17:08:00,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2022-10-16 17:08:00,312 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:08:00,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:08:00,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1911815012, now seen corresponding path program 2 times [2022-10-16 17:08:00,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:08:00,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413302345] [2022-10-16 17:08:00,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:08:00,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:08:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:08:09,124 INFO L134 CoverageAnalysis]: Checked inductivity of 9195 backedges. 0 proven. 9034 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-10-16 17:08:09,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:08:09,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413302345] [2022-10-16 17:08:09,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413302345] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:08:09,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179619610] [2022-10-16 17:08:09,125 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 17:08:09,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:08:09,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:08:09,126 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:08:09,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 17:08:09,501 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 17:08:09,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:08:09,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 3058 conjuncts, 68 conjunts are in the unsatisfiable core [2022-10-16 17:08:09,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:08:12,239 INFO L134 CoverageAnalysis]: Checked inductivity of 9195 backedges. 0 proven. 9169 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:08:12,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:08:15,911 INFO L134 CoverageAnalysis]: Checked inductivity of 9195 backedges. 0 proven. 9169 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:08:15,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179619610] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:08:15,912 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:08:15,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 58, 58] total 149 [2022-10-16 17:08:15,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115365128] [2022-10-16 17:08:15,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:08:15,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 150 states [2022-10-16 17:08:15,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:08:15,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2022-10-16 17:08:15,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2402, Invalid=19948, Unknown=0, NotChecked=0, Total=22350 [2022-10-16 17:08:15,923 INFO L87 Difference]: Start difference. First operand 4138 states and 4491 transitions. Second operand has 150 states, 149 states have (on average 26.053691275167786) internal successors, (3882), 150 states have internal predecessors, (3882), 0 states have call successors, (0), 0 states 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 17:09:12,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:09:12,314 INFO L93 Difference]: Finished difference Result 10853 states and 11779 transitions. [2022-10-16 17:09:12,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 282 states. [2022-10-16 17:09:12,315 INFO L78 Accepts]: Start accepts. Automaton has has 150 states, 149 states have (on average 26.053691275167786) internal successors, (3882), 150 states have internal predecessors, (3882), 0 states have call successors, (0), 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 1338 [2022-10-16 17:09:12,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:09:12,328 INFO L225 Difference]: With dead ends: 10853 [2022-10-16 17:09:12,328 INFO L226 Difference]: Without dead ends: 10849 [2022-10-16 17:09:12,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3023 GetRequests, 2597 SyntacticMatches, 0 SemanticMatches, 426 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67930 ImplicationChecksByTransitivity, 35.7s TimeCoverageRelationStatistics Valid=52118, Invalid=130638, Unknown=0, NotChecked=0, Total=182756 [2022-10-16 17:09:12,346 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 78082 mSDsluCounter, 21757 mSDsCounter, 0 mSdLazyCounter, 3390 mSolverCounterSat, 4775 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78082 SdHoareTripleChecker+Valid, 22010 SdHoareTripleChecker+Invalid, 8165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4775 IncrementalHoareTripleChecker+Valid, 3390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 17:09:12,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78082 Valid, 22010 Invalid, 8165 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4775 Valid, 3390 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 17:09:12,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10849 states. [2022-10-16 17:09:13,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10849 to 7166. [2022-10-16 17:09:13,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7166 states, 7162 states have (on average 1.0844736107232618) internal successors, (7767), 7165 states have internal predecessors, (7767), 0 states have call successors, (0), 0 states 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 17:09:13,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7166 states to 7166 states and 7767 transitions. [2022-10-16 17:09:13,797 INFO L78 Accepts]: Start accepts. Automaton has 7166 states and 7767 transitions. Word has length 1338 [2022-10-16 17:09:13,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:09:13,798 INFO L495 AbstractCegarLoop]: Abstraction has 7166 states and 7767 transitions. [2022-10-16 17:09:13,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 150 states, 149 states have (on average 26.053691275167786) internal successors, (3882), 150 states have internal predecessors, (3882), 0 states have call successors, (0), 0 states 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 17:09:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 7166 states and 7767 transitions. [2022-10-16 17:09:13,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2639 [2022-10-16 17:09:13,843 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:09:13,844 INFO L195 NwaCegarLoop]: trace histogram [72, 47, 47, 47, 47, 25, 25, 25, 25, 25, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:09:13,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 17:09:14,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2022-10-16 17:09:14,045 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:09:14,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:09:14,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1712580837, now seen corresponding path program 2 times [2022-10-16 17:09:14,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:09:14,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035030552] [2022-10-16 17:09:14,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:09:14,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:09:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:09:47,709 INFO L134 CoverageAnalysis]: Checked inductivity of 37874 backedges. 0 proven. 37848 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:09:47,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:09:47,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035030552] [2022-10-16 17:09:47,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035030552] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:09:47,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120350443] [2022-10-16 17:09:47,710 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 17:09:47,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:09:47,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:09:47,711 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:09:47,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 17:09:48,552 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 17:09:48,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:09:48,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 5901 conjuncts, 137 conjunts are in the unsatisfiable core [2022-10-16 17:09:48,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:09:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 37874 backedges. 0 proven. 37848 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:09:51,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:10:04,647 INFO L134 CoverageAnalysis]: Checked inductivity of 37874 backedges. 0 proven. 37848 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 17:10:04,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120350443] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:10:04,647 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:10:04,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [115, 115, 115] total 231 [2022-10-16 17:10:04,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071140279] [2022-10-16 17:10:04,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:10:04,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 232 states [2022-10-16 17:10:04,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:10:04,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 232 interpolants. [2022-10-16 17:10:04,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7531, Invalid=46061, Unknown=0, NotChecked=0, Total=53592 [2022-10-16 17:10:04,667 INFO L87 Difference]: Start difference. First operand 7166 states and 7767 transitions. Second operand has 232 states, 231 states have (on average 23.142857142857142) internal successors, (5346), 232 states have internal predecessors, (5346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)