/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:13:35,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:13:35,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:13:35,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:13:35,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:13:35,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:13:35,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:13:35,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:13:35,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:13:35,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:13:35,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:13:35,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:13:35,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:13:35,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:13:35,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:13:35,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:13:35,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:13:35,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:13:35,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:13:35,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:13:35,265 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:13:35,316 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:13:35,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:13:35,317 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:13:35,317 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:13:35,318 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:13:35,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:13:35,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:13:35,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:13:35,322 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:13:35,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:13:35,323 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:13:35,323 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:13:35,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:13:35,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:13:35,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:13:35,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:13:35,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:13:35,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:13:35,325 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:13:35,325 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:13:35,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:13:35,325 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:13:35,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:13:35,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:13:35,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:13:35,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:13:35,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:13:35,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:13:35,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:13:35,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:13:35,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:13:35,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:13:35,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:13:35,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:13:35,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:13:35,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:13:35,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:13:35,739 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:13:35,743 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:13:35,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c [2022-10-16 15:13:35,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66078992c/d7f1fb6d8483484885c20c45a9a04e5f/FLAGe3dc38c93 [2022-10-16 15:13:36,593 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:13:36,594 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c [2022-10-16 15:13:36,605 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66078992c/d7f1fb6d8483484885c20c45a9a04e5f/FLAGe3dc38c93 [2022-10-16 15:13:36,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66078992c/d7f1fb6d8483484885c20c45a9a04e5f [2022-10-16 15:13:36,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:13:36,874 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:13:36,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:13:36,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:13:36,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:13:36,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:13:36" (1/1) ... [2022-10-16 15:13:36,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2550bb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:36, skipping insertion in model container [2022-10-16 15:13:36,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:13:36" (1/1) ... [2022-10-16 15:13:36,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:13:36,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:13:37,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c[16977,16990] [2022-10-16 15:13:37,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:13:37,219 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:13:37,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c[16977,16990] [2022-10-16 15:13:37,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:13:37,358 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:13:37,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:37 WrapperNode [2022-10-16 15:13:37,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:13:37,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:13:37,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:13:37,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:13:37,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:37" (1/1) ... [2022-10-16 15:13:37,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:37" (1/1) ... [2022-10-16 15:13:37,440 INFO L138 Inliner]: procedures = 25, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 496 [2022-10-16 15:13:37,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:13:37,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:13:37,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:13:37,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:13:37,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:37" (1/1) ... [2022-10-16 15:13:37,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:37" (1/1) ... [2022-10-16 15:13:37,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:37" (1/1) ... [2022-10-16 15:13:37,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:37" (1/1) ... [2022-10-16 15:13:37,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:37" (1/1) ... [2022-10-16 15:13:37,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:37" (1/1) ... [2022-10-16 15:13:37,495 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:37" (1/1) ... [2022-10-16 15:13:37,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:37" (1/1) ... [2022-10-16 15:13:37,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:13:37,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:13:37,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:13:37,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:13:37,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:37" (1/1) ... [2022-10-16 15:13:37,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:13:37,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:13:37,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:13:37,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:13:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:13:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:13:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:13:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:13:37,741 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:13:37,744 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:13:38,607 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:13:38,630 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:13:38,631 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:13:38,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:13:38 BoogieIcfgContainer [2022-10-16 15:13:38,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:13:38,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:13:38,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:13:38,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:13:38,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:13:36" (1/3) ... [2022-10-16 15:13:38,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c74f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:13:38, skipping insertion in model container [2022-10-16 15:13:38,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:37" (2/3) ... [2022-10-16 15:13:38,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c74f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:13:38, skipping insertion in model container [2022-10-16 15:13:38,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:13:38" (3/3) ... [2022-10-16 15:13:38,645 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c [2022-10-16 15:13:38,669 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:13:38,669 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-10-16 15:13:38,745 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:13:38,755 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;@745852c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:13:38,755 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-10-16 15:13:38,762 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 177 states have (on average 1.768361581920904) internal successors, (313), 211 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:38,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 15:13:38,776 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:38,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 15:13:38,778 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:38,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:38,794 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 15:13:38,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:38,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293410160] [2022-10-16 15:13:38,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:38,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:39,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:39,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:39,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293410160] [2022-10-16 15:13:39,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293410160] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:39,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:39,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 15:13:39,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461700518] [2022-10-16 15:13:39,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:39,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:13:39,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:39,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:13:39,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:13:39,165 INFO L87 Difference]: Start difference. First operand has 212 states, 177 states have (on average 1.768361581920904) internal successors, (313), 211 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:39,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:39,247 INFO L93 Difference]: Finished difference Result 358 states and 518 transitions. [2022-10-16 15:13:39,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:13:39,250 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2022-10-16 15:13:39,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:39,300 INFO L225 Difference]: With dead ends: 358 [2022-10-16 15:13:39,301 INFO L226 Difference]: Without dead ends: 197 [2022-10-16 15:13:39,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:13:39,314 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:39,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:13:39,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-10-16 15:13:39,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2022-10-16 15:13:39,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 173 states have (on average 1.7052023121387283) internal successors, (295), 196 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:39,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 295 transitions. [2022-10-16 15:13:39,407 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 295 transitions. Word has length 4 [2022-10-16 15:13:39,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:39,408 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 295 transitions. [2022-10-16 15:13:39,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:39,408 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 295 transitions. [2022-10-16 15:13:39,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 15:13:39,409 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:39,409 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:39,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:13:39,410 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:39,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:39,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1990655788, now seen corresponding path program 1 times [2022-10-16 15:13:39,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:39,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063367598] [2022-10-16 15:13:39,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:39,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:39,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:39,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:39,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063367598] [2022-10-16 15:13:39,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063367598] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:39,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:39,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:13:39,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878710408] [2022-10-16 15:13:39,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:39,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:13:39,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:39,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:13:39,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:13:39,661 INFO L87 Difference]: Start difference. First operand 197 states and 295 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:39,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:39,761 INFO L93 Difference]: Finished difference Result 341 states and 496 transitions. [2022-10-16 15:13:39,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:13:39,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-10-16 15:13:39,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:39,764 INFO L225 Difference]: With dead ends: 341 [2022-10-16 15:13:39,764 INFO L226 Difference]: Without dead ends: 197 [2022-10-16 15:13:39,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:13:39,767 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 3 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:39,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1128 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:13:39,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-10-16 15:13:39,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2022-10-16 15:13:39,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 173 states have (on average 1.4682080924855492) internal successors, (254), 196 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 15:13:39,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 254 transitions. [2022-10-16 15:13:39,781 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 254 transitions. Word has length 10 [2022-10-16 15:13:39,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:39,781 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 254 transitions. [2022-10-16 15:13:39,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:39,784 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 254 transitions. [2022-10-16 15:13:39,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 15:13:39,787 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:39,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:39,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:13:39,787 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:39,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:39,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1689881012, now seen corresponding path program 1 times [2022-10-16 15:13:39,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:39,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788634448] [2022-10-16 15:13:39,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:39,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:39,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:39,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:39,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788634448] [2022-10-16 15:13:39,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788634448] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:39,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:39,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:39,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549903009] [2022-10-16 15:13:39,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:39,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:13:39,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:39,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:13:39,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:39,985 INFO L87 Difference]: Start difference. First operand 197 states and 254 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:40,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:40,012 INFO L93 Difference]: Finished difference Result 461 states and 624 transitions. [2022-10-16 15:13:40,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:13:40,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-16 15:13:40,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:40,016 INFO L225 Difference]: With dead ends: 461 [2022-10-16 15:13:40,016 INFO L226 Difference]: Without dead ends: 321 [2022-10-16 15:13:40,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:40,019 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 181 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:40,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 621 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:13:40,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-10-16 15:13:40,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 299. [2022-10-16 15:13:40,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 275 states have (on average 1.549090909090909) internal successors, (426), 298 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:40,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 426 transitions. [2022-10-16 15:13:40,045 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 426 transitions. Word has length 60 [2022-10-16 15:13:40,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:40,046 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 426 transitions. [2022-10-16 15:13:40,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 426 transitions. [2022-10-16 15:13:40,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 15:13:40,051 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:40,051 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:40,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:13:40,052 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:40,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:40,053 INFO L85 PathProgramCache]: Analyzing trace with hash -375988261, now seen corresponding path program 1 times [2022-10-16 15:13:40,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:40,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756115546] [2022-10-16 15:13:40,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:40,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:40,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:40,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:40,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756115546] [2022-10-16 15:13:40,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756115546] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:40,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:40,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:40,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336756469] [2022-10-16 15:13:40,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:40,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:13:40,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:40,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:13:40,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:40,267 INFO L87 Difference]: Start difference. First operand 299 states and 426 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:40,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:40,301 INFO L93 Difference]: Finished difference Result 759 states and 1124 transitions. [2022-10-16 15:13:40,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:13:40,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-16 15:13:40,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:40,305 INFO L225 Difference]: With dead ends: 759 [2022-10-16 15:13:40,305 INFO L226 Difference]: Without dead ends: 517 [2022-10-16 15:13:40,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:40,309 INFO L413 NwaCegarLoop]: 414 mSDtfsCounter, 180 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:40,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 616 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:13:40,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2022-10-16 15:13:40,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 493. [2022-10-16 15:13:40,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 469 states have (on average 1.605543710021322) internal successors, (753), 492 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:40,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 753 transitions. [2022-10-16 15:13:40,358 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 753 transitions. Word has length 84 [2022-10-16 15:13:40,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:40,362 INFO L495 AbstractCegarLoop]: Abstraction has 493 states and 753 transitions. [2022-10-16 15:13:40,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:40,362 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 753 transitions. [2022-10-16 15:13:40,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 15:13:40,364 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:40,365 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:40,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:13:40,365 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:40,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:40,366 INFO L85 PathProgramCache]: Analyzing trace with hash -466777537, now seen corresponding path program 1 times [2022-10-16 15:13:40,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:40,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077356485] [2022-10-16 15:13:40,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:40,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:40,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:40,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:40,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077356485] [2022-10-16 15:13:40,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077356485] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:40,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:40,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:40,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074315342] [2022-10-16 15:13:40,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:40,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:13:40,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:40,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:13:40,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:40,540 INFO L87 Difference]: Start difference. First operand 493 states and 753 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:40,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:40,606 INFO L93 Difference]: Finished difference Result 1317 states and 2065 transitions. [2022-10-16 15:13:40,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:13:40,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-10-16 15:13:40,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:40,613 INFO L225 Difference]: With dead ends: 1317 [2022-10-16 15:13:40,614 INFO L226 Difference]: Without dead ends: 881 [2022-10-16 15:13:40,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:40,619 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 175 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:40,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 607 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:13:40,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2022-10-16 15:13:40,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 857. [2022-10-16 15:13:40,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 833 states have (on average 1.638655462184874) internal successors, (1365), 856 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:40,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1365 transitions. [2022-10-16 15:13:40,687 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1365 transitions. Word has length 85 [2022-10-16 15:13:40,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:40,690 INFO L495 AbstractCegarLoop]: Abstraction has 857 states and 1365 transitions. [2022-10-16 15:13:40,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:40,690 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1365 transitions. [2022-10-16 15:13:40,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 15:13:40,697 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:40,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:40,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:13:40,701 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:40,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:40,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1770566891, now seen corresponding path program 1 times [2022-10-16 15:13:40,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:40,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708375679] [2022-10-16 15:13:40,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:40,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:40,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:40,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:40,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708375679] [2022-10-16 15:13:40,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708375679] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:40,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:40,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:40,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392478880] [2022-10-16 15:13:40,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:40,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:13:40,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:40,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:13:40,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:40,842 INFO L87 Difference]: Start difference. First operand 857 states and 1365 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:40,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:40,916 INFO L93 Difference]: Finished difference Result 2361 states and 3821 transitions. [2022-10-16 15:13:40,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:13:40,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-10-16 15:13:40,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:40,928 INFO L225 Difference]: With dead ends: 2361 [2022-10-16 15:13:40,928 INFO L226 Difference]: Without dead ends: 1561 [2022-10-16 15:13:40,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:40,935 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 170 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:40,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 598 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:13:40,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1561 states. [2022-10-16 15:13:41,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1561 to 1537. [2022-10-16 15:13:41,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1537 states, 1513 states have (on average 1.6556510244547258) internal successors, (2505), 1536 states have internal predecessors, (2505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:41,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2505 transitions. [2022-10-16 15:13:41,019 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2505 transitions. Word has length 86 [2022-10-16 15:13:41,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:41,021 INFO L495 AbstractCegarLoop]: Abstraction has 1537 states and 2505 transitions. [2022-10-16 15:13:41,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:41,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2505 transitions. [2022-10-16 15:13:41,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 15:13:41,024 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:41,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:41,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:13:41,025 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:41,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:41,026 INFO L85 PathProgramCache]: Analyzing trace with hash -789958577, now seen corresponding path program 1 times [2022-10-16 15:13:41,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:41,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619163638] [2022-10-16 15:13:41,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:41,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:41,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:41,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619163638] [2022-10-16 15:13:41,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619163638] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:41,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:41,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:41,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244754448] [2022-10-16 15:13:41,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:41,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:13:41,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:41,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:13:41,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:41,204 INFO L87 Difference]: Start difference. First operand 1537 states and 2505 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:41,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:41,321 INFO L93 Difference]: Finished difference Result 4305 states and 7081 transitions. [2022-10-16 15:13:41,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:13:41,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2022-10-16 15:13:41,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:41,337 INFO L225 Difference]: With dead ends: 4305 [2022-10-16 15:13:41,338 INFO L226 Difference]: Without dead ends: 2825 [2022-10-16 15:13:41,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:41,345 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 165 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:41,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 589 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:13:41,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2825 states. [2022-10-16 15:13:41,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2825 to 2801. [2022-10-16 15:13:41,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2801 states, 2777 states have (on average 1.6625855239467051) internal successors, (4617), 2800 states have internal predecessors, (4617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:41,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 4617 transitions. [2022-10-16 15:13:41,491 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 4617 transitions. Word has length 87 [2022-10-16 15:13:41,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:41,492 INFO L495 AbstractCegarLoop]: Abstraction has 2801 states and 4617 transitions. [2022-10-16 15:13:41,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:41,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 4617 transitions. [2022-10-16 15:13:41,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 15:13:41,493 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:41,493 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:41,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:13:41,494 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:41,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:41,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1206794747, now seen corresponding path program 1 times [2022-10-16 15:13:41,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:41,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890062987] [2022-10-16 15:13:41,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:41,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:41,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:41,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:41,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890062987] [2022-10-16 15:13:41,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890062987] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:41,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:41,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:41,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970395727] [2022-10-16 15:13:41,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:41,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:13:41,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:41,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:13:41,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:41,595 INFO L87 Difference]: Start difference. First operand 2801 states and 4617 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 15:13:41,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:41,837 INFO L93 Difference]: Finished difference Result 7905 states and 13097 transitions. [2022-10-16 15:13:41,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:13:41,838 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 15:13:41,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:41,865 INFO L225 Difference]: With dead ends: 7905 [2022-10-16 15:13:41,865 INFO L226 Difference]: Without dead ends: 5161 [2022-10-16 15:13:41,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:13:41,871 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 160 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:41,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 580 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:13:41,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5161 states. [2022-10-16 15:13:42,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5161 to 5137. [2022-10-16 15:13:42,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5137 states, 5113 states have (on average 1.663407001760219) internal successors, (8505), 5136 states have internal predecessors, (8505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:42,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5137 states to 5137 states and 8505 transitions. [2022-10-16 15:13:42,201 INFO L78 Accepts]: Start accepts. Automaton has 5137 states and 8505 transitions. Word has length 88 [2022-10-16 15:13:42,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:42,201 INFO L495 AbstractCegarLoop]: Abstraction has 5137 states and 8505 transitions. [2022-10-16 15:13:42,202 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 15:13:42,202 INFO L276 IsEmpty]: Start isEmpty. Operand 5137 states and 8505 transitions. [2022-10-16 15:13:42,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 15:13:42,204 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:42,204 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:42,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:13:42,211 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:42,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:42,212 INFO L85 PathProgramCache]: Analyzing trace with hash -484161953, now seen corresponding path program 1 times [2022-10-16 15:13:42,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:42,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034036617] [2022-10-16 15:13:42,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:42,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:42,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:42,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:42,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034036617] [2022-10-16 15:13:42,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034036617] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:42,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:42,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:42,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610345449] [2022-10-16 15:13:42,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:42,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:13:42,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:42,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:13:42,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:13:42,357 INFO L87 Difference]: Start difference. First operand 5137 states and 8505 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 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 15:13:43,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:43,172 INFO L93 Difference]: Finished difference Result 15295 states and 25401 transitions. [2022-10-16 15:13:43,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:13:43,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 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 15:13:43,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:43,250 INFO L225 Difference]: With dead ends: 15295 [2022-10-16 15:13:43,250 INFO L226 Difference]: Without dead ends: 15293 [2022-10-16 15:13:43,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:13:43,256 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 590 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:43,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 564 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:13:43,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15293 states. [2022-10-16 15:13:43,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15293 to 10193. [2022-10-16 15:13:43,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10193 states, 10169 states have (on average 1.6545383026846296) internal successors, (16825), 10192 states have internal predecessors, (16825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:43,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10193 states to 10193 states and 16825 transitions. [2022-10-16 15:13:43,951 INFO L78 Accepts]: Start accepts. Automaton has 10193 states and 16825 transitions. Word has length 89 [2022-10-16 15:13:43,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:43,951 INFO L495 AbstractCegarLoop]: Abstraction has 10193 states and 16825 transitions. [2022-10-16 15:13:43,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 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 15:13:43,952 INFO L276 IsEmpty]: Start isEmpty. Operand 10193 states and 16825 transitions. [2022-10-16 15:13:43,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 15:13:43,952 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:43,953 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:43,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:13:43,953 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:43,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:43,954 INFO L85 PathProgramCache]: Analyzing trace with hash -2124117982, now seen corresponding path program 1 times [2022-10-16 15:13:43,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:43,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851197844] [2022-10-16 15:13:43,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:43,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:44,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:44,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:44,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851197844] [2022-10-16 15:13:44,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851197844] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:44,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:44,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:13:44,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753967908] [2022-10-16 15:13:44,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:44,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:13:44,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:44,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:13:44,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:13:44,106 INFO L87 Difference]: Start difference. First operand 10193 states and 16825 transitions. Second operand has 4 states, 3 states have (on average 30.0) 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 15:13:44,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:44,835 INFO L93 Difference]: Finished difference Result 15271 states and 25273 transitions. [2022-10-16 15:13:44,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:13:44,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) 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 90 [2022-10-16 15:13:44,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:44,879 INFO L225 Difference]: With dead ends: 15271 [2022-10-16 15:13:44,879 INFO L226 Difference]: Without dead ends: 15269 [2022-10-16 15:13:44,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:13:44,885 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 589 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:44,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 390 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:13:44,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15269 states. [2022-10-16 15:13:45,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15269 to 15249. [2022-10-16 15:13:45,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15249 states, 15225 states have (on average 1.643152709359606) internal successors, (25017), 15248 states have internal predecessors, (25017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:45,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15249 states to 15249 states and 25017 transitions. [2022-10-16 15:13:45,911 INFO L78 Accepts]: Start accepts. Automaton has 15249 states and 25017 transitions. Word has length 90 [2022-10-16 15:13:45,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:45,911 INFO L495 AbstractCegarLoop]: Abstraction has 15249 states and 25017 transitions. [2022-10-16 15:13:45,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) 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 15:13:45,912 INFO L276 IsEmpty]: Start isEmpty. Operand 15249 states and 25017 transitions. [2022-10-16 15:13:45,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 15:13:45,913 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:45,913 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:45,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:13:45,915 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:45,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:45,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1423147327, now seen corresponding path program 1 times [2022-10-16 15:13:45,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:45,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709058185] [2022-10-16 15:13:45,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:45,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:46,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:46,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709058185] [2022-10-16 15:13:46,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709058185] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:46,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:46,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:13:46,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997900333] [2022-10-16 15:13:46,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:46,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:13:46,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:46,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:13:46,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:13:46,053 INFO L87 Difference]: Start difference. First operand 15249 states and 25017 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:47,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:47,259 INFO L93 Difference]: Finished difference Result 25421 states and 41529 transitions. [2022-10-16 15:13:47,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:13:47,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 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 15:13:47,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:47,328 INFO L225 Difference]: With dead ends: 25421 [2022-10-16 15:13:47,329 INFO L226 Difference]: Without dead ends: 25419 [2022-10-16 15:13:47,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:13:47,339 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 1000 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:47,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1000 Valid, 899 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:13:47,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25419 states. [2022-10-16 15:13:48,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25419 to 20305. [2022-10-16 15:13:48,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20305 states, 20281 states have (on average 1.6311325871505349) internal successors, (33081), 20304 states have internal predecessors, (33081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:48,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20305 states to 20305 states and 33081 transitions. [2022-10-16 15:13:48,487 INFO L78 Accepts]: Start accepts. Automaton has 20305 states and 33081 transitions. Word has length 91 [2022-10-16 15:13:48,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:48,487 INFO L495 AbstractCegarLoop]: Abstraction has 20305 states and 33081 transitions. [2022-10-16 15:13:48,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:48,490 INFO L276 IsEmpty]: Start isEmpty. Operand 20305 states and 33081 transitions. [2022-10-16 15:13:48,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:13:48,494 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:48,494 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:48,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:13:48,495 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:48,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:48,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1167893500, now seen corresponding path program 1 times [2022-10-16 15:13:48,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:48,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572967563] [2022-10-16 15:13:48,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:48,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:48,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:48,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:48,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572967563] [2022-10-16 15:13:48,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572967563] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:48,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:48,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:13:48,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685805843] [2022-10-16 15:13:48,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:48,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:13:48,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:48,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:13:48,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:13:48,624 INFO L87 Difference]: Start difference. First operand 20305 states and 33081 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:49,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:49,905 INFO L93 Difference]: Finished difference Result 25401 states and 41401 transitions. [2022-10-16 15:13:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:13:49,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 15:13:49,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:49,969 INFO L225 Difference]: With dead ends: 25401 [2022-10-16 15:13:49,969 INFO L226 Difference]: Without dead ends: 25399 [2022-10-16 15:13:49,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:13:49,980 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 1161 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1161 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:49,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1161 Valid, 581 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:13:50,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25399 states. [2022-10-16 15:13:51,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25399 to 25361. [2022-10-16 15:13:51,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25361 states, 25337 states have (on average 1.6188577968978175) internal successors, (41017), 25360 states have internal predecessors, (41017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:51,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25361 states to 25361 states and 41017 transitions. [2022-10-16 15:13:51,257 INFO L78 Accepts]: Start accepts. Automaton has 25361 states and 41017 transitions. Word has length 92 [2022-10-16 15:13:51,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:51,258 INFO L495 AbstractCegarLoop]: Abstraction has 25361 states and 41017 transitions. [2022-10-16 15:13:51,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:51,258 INFO L276 IsEmpty]: Start isEmpty. Operand 25361 states and 41017 transitions. [2022-10-16 15:13:51,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:13:51,259 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:51,260 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:51,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:13:51,260 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:51,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:51,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1844959453, now seen corresponding path program 1 times [2022-10-16 15:13:51,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:51,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835916333] [2022-10-16 15:13:51,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:51,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:51,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:51,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:51,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835916333] [2022-10-16 15:13:51,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835916333] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:51,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:51,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:13:51,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453319140] [2022-10-16 15:13:51,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:51,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:13:51,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:51,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:13:51,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:13:51,410 INFO L87 Difference]: Start difference. First operand 25361 states and 41017 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:52,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:52,920 INFO L93 Difference]: Finished difference Result 40599 states and 65465 transitions. [2022-10-16 15:13:52,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 15:13:52,920 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 15:13:52,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:53,002 INFO L225 Difference]: With dead ends: 40599 [2022-10-16 15:13:53,002 INFO L226 Difference]: Without dead ends: 40597 [2022-10-16 15:13:53,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 15:13:53,018 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 1556 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:53,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 1255 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:13:53,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40597 states. [2022-10-16 15:13:54,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40597 to 30417. [2022-10-16 15:13:54,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30417 states, 30393 states have (on average 1.6064554338169974) internal successors, (48825), 30416 states have internal predecessors, (48825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:54,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30417 states to 30417 states and 48825 transitions. [2022-10-16 15:13:54,529 INFO L78 Accepts]: Start accepts. Automaton has 30417 states and 48825 transitions. Word has length 93 [2022-10-16 15:13:54,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:54,529 INFO L495 AbstractCegarLoop]: Abstraction has 30417 states and 48825 transitions. [2022-10-16 15:13:54,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:54,530 INFO L276 IsEmpty]: Start isEmpty. Operand 30417 states and 48825 transitions. [2022-10-16 15:13:54,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 15:13:54,531 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:54,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:54,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:13:54,532 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:54,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:54,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1359167514, now seen corresponding path program 1 times [2022-10-16 15:13:54,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:54,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447188690] [2022-10-16 15:13:54,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:54,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:54,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:54,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:54,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447188690] [2022-10-16 15:13:54,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447188690] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:54,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:54,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:13:54,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78911763] [2022-10-16 15:13:54,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:54,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:13:54,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:54,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:13:54,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:13:54,686 INFO L87 Difference]: Start difference. First operand 30417 states and 48825 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:56,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:13:56,481 INFO L93 Difference]: Finished difference Result 40585 states and 65081 transitions. [2022-10-16 15:13:56,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:13:56,482 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-16 15:13:56,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:13:56,568 INFO L225 Difference]: With dead ends: 40585 [2022-10-16 15:13:56,568 INFO L226 Difference]: Without dead ends: 40583 [2022-10-16 15:13:56,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 15:13:56,587 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 1558 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:13:56,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1558 Valid, 915 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:13:56,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40583 states. [2022-10-16 15:13:58,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40583 to 40529. [2022-10-16 15:13:58,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40529 states, 40505 states have (on average 1.5940994938896433) internal successors, (64569), 40528 states have internal predecessors, (64569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:58,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40529 states to 40529 states and 64569 transitions. [2022-10-16 15:13:58,251 INFO L78 Accepts]: Start accepts. Automaton has 40529 states and 64569 transitions. Word has length 94 [2022-10-16 15:13:58,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:58,252 INFO L495 AbstractCegarLoop]: Abstraction has 40529 states and 64569 transitions. [2022-10-16 15:13:58,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:58,252 INFO L276 IsEmpty]: Start isEmpty. Operand 40529 states and 64569 transitions. [2022-10-16 15:13:58,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 15:13:58,253 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:58,253 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:58,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:13:58,253 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:13:58,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:58,254 INFO L85 PathProgramCache]: Analyzing trace with hash 815480709, now seen corresponding path program 1 times [2022-10-16 15:13:58,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:58,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208208395] [2022-10-16 15:13:58,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:58,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:58,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:13:58,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:58,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208208395] [2022-10-16 15:13:58,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208208395] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:58,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:58,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:13:58,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108910229] [2022-10-16 15:13:58,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:58,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 15:13:58,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:58,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 15:13:58,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:13:58,447 INFO L87 Difference]: Start difference. First operand 40529 states and 64569 transitions. Second operand has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:01,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:01,032 INFO L93 Difference]: Finished difference Result 60829 states and 96825 transitions. [2022-10-16 15:14:01,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 15:14:01,033 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-10-16 15:14:01,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:01,143 INFO L225 Difference]: With dead ends: 60829 [2022-10-16 15:14:01,143 INFO L226 Difference]: Without dead ends: 60827 [2022-10-16 15:14:01,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 15:14:01,163 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 1928 mSDsluCounter, 1540 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1928 SdHoareTripleChecker+Valid, 1752 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:01,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1928 Valid, 1752 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:14:01,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60827 states. [2022-10-16 15:14:03,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60827 to 45585. [2022-10-16 15:14:03,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45585 states, 45561 states have (on average 1.582954720045653) internal successors, (72121), 45584 states have internal predecessors, (72121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:03,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45585 states to 45585 states and 72121 transitions. [2022-10-16 15:14:03,219 INFO L78 Accepts]: Start accepts. Automaton has 45585 states and 72121 transitions. Word has length 95 [2022-10-16 15:14:03,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:03,219 INFO L495 AbstractCegarLoop]: Abstraction has 45585 states and 72121 transitions. [2022-10-16 15:14:03,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:03,219 INFO L276 IsEmpty]: Start isEmpty. Operand 45585 states and 72121 transitions. [2022-10-16 15:14:03,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 15:14:03,220 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:03,220 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:14:03,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:14:03,221 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:03,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:03,221 INFO L85 PathProgramCache]: Analyzing trace with hash -489901112, now seen corresponding path program 1 times [2022-10-16 15:14:03,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:03,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803751429] [2022-10-16 15:14:03,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:03,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:03,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:14:03,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:03,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803751429] [2022-10-16 15:14:03,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803751429] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:03,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:03,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:14:03,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313058869] [2022-10-16 15:14:03,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:03,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 15:14:03,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:03,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 15:14:03,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:14:03,382 INFO L87 Difference]: Start difference. First operand 45585 states and 72121 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:06,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:06,041 INFO L93 Difference]: Finished difference Result 60823 states and 95929 transitions. [2022-10-16 15:14:06,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 15:14:06,041 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-16 15:14:06,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:06,127 INFO L225 Difference]: With dead ends: 60823 [2022-10-16 15:14:06,128 INFO L226 Difference]: Without dead ends: 60821 [2022-10-16 15:14:06,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 15:14:06,140 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 2096 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2096 SdHoareTripleChecker+Valid, 1272 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:06,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2096 Valid, 1272 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:14:06,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60821 states. [2022-10-16 15:14:08,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60821 to 60753. [2022-10-16 15:14:08,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60753 states, 60729 states have (on average 1.5690856098404387) internal successors, (95289), 60752 states have internal predecessors, (95289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:08,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60753 states to 60753 states and 95289 transitions. [2022-10-16 15:14:08,568 INFO L78 Accepts]: Start accepts. Automaton has 60753 states and 95289 transitions. Word has length 96 [2022-10-16 15:14:08,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:08,569 INFO L495 AbstractCegarLoop]: Abstraction has 60753 states and 95289 transitions. [2022-10-16 15:14:08,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:08,569 INFO L276 IsEmpty]: Start isEmpty. Operand 60753 states and 95289 transitions. [2022-10-16 15:14:08,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 15:14:08,570 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:08,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:14:08,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:14:08,570 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:08,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:08,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1992935399, now seen corresponding path program 1 times [2022-10-16 15:14:08,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:08,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108685727] [2022-10-16 15:14:08,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:08,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:08,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:14:08,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:08,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108685727] [2022-10-16 15:14:08,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108685727] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:08,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:08,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 15:14:08,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045888347] [2022-10-16 15:14:08,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:08,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 15:14:08,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:08,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 15:14:08,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:14:08,992 INFO L87 Difference]: Start difference. First operand 60753 states and 95289 transitions. Second operand has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:12,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:12,408 INFO L93 Difference]: Finished difference Result 146805 states and 230457 transitions. [2022-10-16 15:14:12,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 15:14:12,409 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 15:14:12,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:12,679 INFO L225 Difference]: With dead ends: 146805 [2022-10-16 15:14:12,679 INFO L226 Difference]: Without dead ends: 86109 [2022-10-16 15:14:12,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 15:14:12,744 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 2272 mSDsluCounter, 2176 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2272 SdHoareTripleChecker+Valid, 2388 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:12,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2272 Valid, 2388 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:14:12,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86109 states. [2022-10-16 15:14:15,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86109 to 65809. [2022-10-16 15:14:15,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65809 states, 65785 states have (on average 1.5574523067568595) internal successors, (102457), 65808 states have internal predecessors, (102457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:15,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65809 states to 65809 states and 102457 transitions. [2022-10-16 15:14:15,672 INFO L78 Accepts]: Start accepts. Automaton has 65809 states and 102457 transitions. Word has length 97 [2022-10-16 15:14:15,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:15,673 INFO L495 AbstractCegarLoop]: Abstraction has 65809 states and 102457 transitions. [2022-10-16 15:14:15,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:15,673 INFO L276 IsEmpty]: Start isEmpty. Operand 65809 states and 102457 transitions. [2022-10-16 15:14:15,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 15:14:15,674 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:15,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:14:15,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:14:15,675 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:15,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:15,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1651455914, now seen corresponding path program 1 times [2022-10-16 15:14:15,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:15,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285397049] [2022-10-16 15:14:15,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:15,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:15,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:14:15,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:15,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285397049] [2022-10-16 15:14:15,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285397049] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:15,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:15,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 15:14:15,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107670133] [2022-10-16 15:14:15,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:15,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 15:14:15,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:15,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 15:14:15,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:14:15,842 INFO L87 Difference]: Start difference. First operand 65809 states and 102457 transitions. Second operand has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:20,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:20,846 INFO L93 Difference]: Finished difference Result 121567 states and 190265 transitions. [2022-10-16 15:14:20,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 15:14:20,846 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 15:14:20,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:21,019 INFO L225 Difference]: With dead ends: 121567 [2022-10-16 15:14:21,019 INFO L226 Difference]: Without dead ends: 121565 [2022-10-16 15:14:21,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=222, Invalid=590, Unknown=0, NotChecked=0, Total=812 [2022-10-16 15:14:21,042 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 3134 mSDsluCounter, 2096 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3134 SdHoareTripleChecker+Valid, 2306 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:21,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3134 Valid, 2306 Invalid, 794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:14:21,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121565 states. [2022-10-16 15:14:26,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121565 to 121425. [2022-10-16 15:14:26,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121425 states, 121401 states have (on average 1.5535374502681196) internal successors, (188601), 121424 states have internal predecessors, (188601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:26,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121425 states to 121425 states and 188601 transitions. [2022-10-16 15:14:26,763 INFO L78 Accepts]: Start accepts. Automaton has 121425 states and 188601 transitions. Word has length 98 [2022-10-16 15:14:26,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:26,763 INFO L495 AbstractCegarLoop]: Abstraction has 121425 states and 188601 transitions. [2022-10-16 15:14:26,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:26,764 INFO L276 IsEmpty]: Start isEmpty. Operand 121425 states and 188601 transitions. [2022-10-16 15:14:26,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 15:14:26,765 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:26,765 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:14:26,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:14:26,765 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:26,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:26,766 INFO L85 PathProgramCache]: Analyzing trace with hash -125288077, now seen corresponding path program 1 times [2022-10-16 15:14:26,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:26,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223340908] [2022-10-16 15:14:26,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:26,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:26,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:14:26,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:26,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223340908] [2022-10-16 15:14:26,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223340908] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:26,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:26,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:14:26,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890036221] [2022-10-16 15:14:26,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:26,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:14:26,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:26,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:14:26,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:14:26,881 INFO L87 Difference]: Start difference. First operand 121425 states and 188601 transitions. Second operand has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:31,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:31,190 INFO L93 Difference]: Finished difference Result 121511 states and 188712 transitions. [2022-10-16 15:14:31,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:14:31,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-16 15:14:31,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:31,485 INFO L225 Difference]: With dead ends: 121511 [2022-10-16 15:14:31,485 INFO L226 Difference]: Without dead ends: 121509 [2022-10-16 15:14:31,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:14:31,518 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 63 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:31,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 745 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:14:31,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121509 states. [2022-10-16 15:14:36,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121509 to 121509. [2022-10-16 15:14:36,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121509 states, 121485 states have (on average 1.553360497180722) internal successors, (188710), 121508 states have internal predecessors, (188710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:36,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121509 states to 121509 states and 188710 transitions. [2022-10-16 15:14:36,943 INFO L78 Accepts]: Start accepts. Automaton has 121509 states and 188710 transitions. Word has length 105 [2022-10-16 15:14:36,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:36,943 INFO L495 AbstractCegarLoop]: Abstraction has 121509 states and 188710 transitions. [2022-10-16 15:14:36,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:36,943 INFO L276 IsEmpty]: Start isEmpty. Operand 121509 states and 188710 transitions. [2022-10-16 15:14:36,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 15:14:36,944 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:36,944 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:14:36,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:14:36,945 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:36,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:36,945 INFO L85 PathProgramCache]: Analyzing trace with hash 271214924, now seen corresponding path program 1 times [2022-10-16 15:14:36,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:36,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182498447] [2022-10-16 15:14:36,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:36,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:37,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:14:37,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:37,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182498447] [2022-10-16 15:14:37,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182498447] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:37,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:37,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:14:37,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720219931] [2022-10-16 15:14:37,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:37,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:14:37,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:37,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:14:37,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:14:37,030 INFO L87 Difference]: Start difference. First operand 121509 states and 188710 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 15:14:41,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:41,106 INFO L93 Difference]: Finished difference Result 121509 states and 188710 transitions. [2022-10-16 15:14:41,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:14:41,107 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 109 [2022-10-16 15:14:41,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:41,305 INFO L225 Difference]: With dead ends: 121509 [2022-10-16 15:14:41,306 INFO L226 Difference]: Without dead ends: 121508 [2022-10-16 15:14:41,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:14:41,336 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 145 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:41,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 247 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:14:41,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121508 states. [2022-10-16 15:14:46,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121508 to 121508. [2022-10-16 15:14:46,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121508 states, 121485 states have (on average 1.5470387290612009) internal successors, (187942), 121507 states have internal predecessors, (187942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:47,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121508 states to 121508 states and 187942 transitions. [2022-10-16 15:14:47,096 INFO L78 Accepts]: Start accepts. Automaton has 121508 states and 187942 transitions. Word has length 109 [2022-10-16 15:14:47,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:47,096 INFO L495 AbstractCegarLoop]: Abstraction has 121508 states and 187942 transitions. [2022-10-16 15:14:47,097 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 15:14:47,097 INFO L276 IsEmpty]: Start isEmpty. Operand 121508 states and 187942 transitions. [2022-10-16 15:14:47,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 15:14:47,098 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:47,098 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:14:47,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:14:47,099 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:47,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:47,099 INFO L85 PathProgramCache]: Analyzing trace with hash -182271624, now seen corresponding path program 1 times [2022-10-16 15:14:47,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:47,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006767051] [2022-10-16 15:14:47,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:47,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:47,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:14:47,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:47,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006767051] [2022-10-16 15:14:47,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006767051] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:47,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:47,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:14:47,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294978720] [2022-10-16 15:14:47,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:47,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:14:47,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:47,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:14:47,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:14:47,192 INFO L87 Difference]: Start difference. First operand 121508 states and 187942 transitions. Second operand has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:51,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:14:51,358 INFO L93 Difference]: Finished difference Result 121508 states and 187942 transitions. [2022-10-16 15:14:51,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:14:51,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 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 110 [2022-10-16 15:14:51,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:14:51,558 INFO L225 Difference]: With dead ends: 121508 [2022-10-16 15:14:51,558 INFO L226 Difference]: Without dead ends: 121507 [2022-10-16 15:14:51,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:14:51,591 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 143 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:14:51,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 247 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:14:51,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121507 states. [2022-10-16 15:14:56,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121507 to 121507. [2022-10-16 15:14:56,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121507 states, 121485 states have (on average 1.54071696094168) internal successors, (187174), 121506 states have internal predecessors, (187174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:57,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121507 states to 121507 states and 187174 transitions. [2022-10-16 15:14:57,324 INFO L78 Accepts]: Start accepts. Automaton has 121507 states and 187174 transitions. Word has length 110 [2022-10-16 15:14:57,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:14:57,325 INFO L495 AbstractCegarLoop]: Abstraction has 121507 states and 187174 transitions. [2022-10-16 15:14:57,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:14:57,325 INFO L276 IsEmpty]: Start isEmpty. Operand 121507 states and 187174 transitions. [2022-10-16 15:14:57,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 15:14:57,333 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:14:57,333 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:14:57,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:14:57,334 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:14:57,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:14:57,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1199352597, now seen corresponding path program 1 times [2022-10-16 15:14:57,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:14:57,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730689153] [2022-10-16 15:14:57,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:14:57,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:14:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:14:57,417 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:14:57,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:14:57,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730689153] [2022-10-16 15:14:57,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730689153] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:14:57,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:14:57,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:14:57,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160936430] [2022-10-16 15:14:57,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:14:57,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:14:57,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:14:57,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:14:57,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:14:57,420 INFO L87 Difference]: Start difference. First operand 121507 states and 187174 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:15:07,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:15:07,019 INFO L93 Difference]: Finished difference Result 358930 states and 552058 transitions. [2022-10-16 15:15:07,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:15:07,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2022-10-16 15:15:07,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:15:07,491 INFO L225 Difference]: With dead ends: 358930 [2022-10-16 15:15:07,491 INFO L226 Difference]: Without dead ends: 237564 [2022-10-16 15:15:07,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:15:07,604 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 136 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:15:07,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 506 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:15:07,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237564 states. [2022-10-16 15:15:18,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237564 to 237542. [2022-10-16 15:15:19,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237542 states, 237520 states have (on average 1.530456382620411) internal successors, (363514), 237541 states have internal predecessors, (363514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:15:19,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237542 states to 237542 states and 363514 transitions. [2022-10-16 15:15:19,795 INFO L78 Accepts]: Start accepts. Automaton has 237542 states and 363514 transitions. Word has length 136 [2022-10-16 15:15:19,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:15:19,795 INFO L495 AbstractCegarLoop]: Abstraction has 237542 states and 363514 transitions. [2022-10-16 15:15:19,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:15:19,796 INFO L276 IsEmpty]: Start isEmpty. Operand 237542 states and 363514 transitions. [2022-10-16 15:15:19,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 15:15:19,809 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:15:19,810 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:15:19,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:15:19,810 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-16 15:15:19,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:15:19,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1709705671, now seen corresponding path program 1 times [2022-10-16 15:15:19,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:15:19,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100923559] [2022-10-16 15:15:19,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:15:19,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:15:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:15:19,896 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:15:19,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:15:19,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100923559] [2022-10-16 15:15:19,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100923559] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:15:19,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:15:19,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:15:19,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998305538] [2022-10-16 15:15:19,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:15:19,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:15:19,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:15:19,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:15:19,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:15:19,899 INFO L87 Difference]: Start difference. First operand 237542 states and 363514 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:15:39,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:15:39,897 INFO L93 Difference]: Finished difference Result 701601 states and 1071791 transitions. [2022-10-16 15:15:39,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:15:39,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2022-10-16 15:15:39,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:15:41,417 INFO L225 Difference]: With dead ends: 701601 [2022-10-16 15:15:41,417 INFO L226 Difference]: Without dead ends: 464267