/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/array-patterns/array19_pattern.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 11:16:43,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 11:16:43,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 11:16:43,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 11:16:43,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 11:16:43,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 11:16:43,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 11:16:43,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 11:16:43,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 11:16:43,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 11:16:43,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 11:16:43,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 11:16:43,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 11:16:43,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 11:16:43,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 11:16:43,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 11:16:43,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 11:16:43,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 11:16:43,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 11:16:43,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 11:16:43,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 11:16:43,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 11:16:43,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 11:16:43,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 11:16:43,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 11:16:43,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 11:16:43,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 11:16:43,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 11:16:43,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 11:16:43,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 11:16:43,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 11:16:43,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 11:16:43,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 11:16:43,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 11:16:43,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 11:16:43,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 11:16:43,492 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 11:16:43,523 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 11:16:43,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 11:16:43,524 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 11:16:43,524 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 11:16:43,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 11:16:43,525 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 11:16:43,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 11:16:43,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 11:16:43,526 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 11:16:43,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 11:16:43,527 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 11:16:43,527 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 11:16:43,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 11:16:43,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 11:16:43,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 11:16:43,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 11:16:43,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 11:16:43,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 11:16:43,529 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 11:16:43,529 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 11:16:43,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 11:16:43,529 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 11:16:43,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 11:16:43,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 11:16:43,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 11:16:43,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 11:16:43,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:16:43,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 11:16:43,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 11:16:43,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 11:16:43,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 11:16:43,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 11:16:43,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 11:16:43,532 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 11:16:43,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 11:16:44,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 11:16:44,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 11:16:44,023 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 11:16:44,023 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 11:16:44,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-patterns/array19_pattern.c [2022-10-16 11:16:44,104 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a61fd760d/fff0d76aa4664078941b39b7ac9a4fe1/FLAGca308f0c1 [2022-10-16 11:16:44,800 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 11:16:44,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array19_pattern.c [2022-10-16 11:16:44,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a61fd760d/fff0d76aa4664078941b39b7ac9a4fe1/FLAGca308f0c1 [2022-10-16 11:16:45,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a61fd760d/fff0d76aa4664078941b39b7ac9a4fe1 [2022-10-16 11:16:45,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 11:16:45,137 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 11:16:45,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 11:16:45,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 11:16:45,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 11:16:45,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:16:45" (1/1) ... [2022-10-16 11:16:45,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1a22e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:16:45, skipping insertion in model container [2022-10-16 11:16:45,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:16:45" (1/1) ... [2022-10-16 11:16:45,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 11:16:45,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 11:16:45,409 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/array-patterns/array19_pattern.c[1442,1455] [2022-10-16 11:16:45,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:16:45,497 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 11:16:45,516 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/array-patterns/array19_pattern.c[1442,1455] [2022-10-16 11:16:45,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:16:45,587 INFO L208 MainTranslator]: Completed translation [2022-10-16 11:16:45,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:16:45 WrapperNode [2022-10-16 11:16:45,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 11:16:45,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 11:16:45,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 11:16:45,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 11:16:45,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:16:45" (1/1) ... [2022-10-16 11:16:45,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:16:45" (1/1) ... [2022-10-16 11:16:45,677 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 134 [2022-10-16 11:16:45,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 11:16:45,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 11:16:45,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 11:16:45,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 11:16:45,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:16:45" (1/1) ... [2022-10-16 11:16:45,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:16:45" (1/1) ... [2022-10-16 11:16:45,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:16:45" (1/1) ... [2022-10-16 11:16:45,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:16:45" (1/1) ... [2022-10-16 11:16:45,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:16:45" (1/1) ... [2022-10-16 11:16:45,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:16:45" (1/1) ... [2022-10-16 11:16:45,744 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:16:45" (1/1) ... [2022-10-16 11:16:45,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:16:45" (1/1) ... [2022-10-16 11:16:45,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 11:16:45,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 11:16:45,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 11:16:45,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 11:16:45,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:16:45" (1/1) ... [2022-10-16 11:16:45,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:16:45,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:45,802 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 11:16:45,820 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 11:16:45,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 11:16:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 11:16:45,865 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 11:16:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 11:16:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 11:16:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 11:16:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 11:16:45,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 11:16:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 11:16:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 11:16:45,946 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 11:16:45,949 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 11:16:46,409 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 11:16:46,419 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 11:16:46,419 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-16 11:16:46,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:16:46 BoogieIcfgContainer [2022-10-16 11:16:46,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 11:16:46,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 11:16:46,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 11:16:46,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 11:16:46,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:16:45" (1/3) ... [2022-10-16 11:16:46,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb290e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:16:46, skipping insertion in model container [2022-10-16 11:16:46,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:16:45" (2/3) ... [2022-10-16 11:16:46,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb290e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:16:46, skipping insertion in model container [2022-10-16 11:16:46,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:16:46" (3/3) ... [2022-10-16 11:16:46,444 INFO L112 eAbstractionObserver]: Analyzing ICFG array19_pattern.c [2022-10-16 11:16:46,466 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 11:16:46,467 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-10-16 11:16:46,530 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 11:16:46,539 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;@69f407fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 11:16:46,539 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-10-16 11:16:46,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 59 states have (on average 1.7966101694915255) internal successors, (106), 91 states have internal predecessors, (106), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:16:46,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 11:16:46,555 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:46,556 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:46,557 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:46,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:46,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1649933956, now seen corresponding path program 1 times [2022-10-16 11:16:46,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:46,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257167932] [2022-10-16 11:16:46,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:46,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:46,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:46,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257167932] [2022-10-16 11:16:46,719 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-10-16 11:16:46,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109713844] [2022-10-16 11:16:46,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:46,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:46,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:46,722 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:46,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 11:16:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:46,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-16 11:16:46,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:46,880 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 11:16:46,880 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:16:46,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109713844] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:16:46,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:16:46,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:16:46,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785389107] [2022-10-16 11:16:46,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:16:46,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 11:16:46,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:46,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 11:16:46,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 11:16:46,927 INFO L87 Difference]: Start difference. First operand has 96 states, 59 states have (on average 1.7966101694915255) internal successors, (106), 91 states have internal predecessors, (106), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:16:46,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:46,960 INFO L93 Difference]: Finished difference Result 187 states and 223 transitions. [2022-10-16 11:16:46,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 11:16:46,963 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-10-16 11:16:46,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:46,973 INFO L225 Difference]: With dead ends: 187 [2022-10-16 11:16:46,973 INFO L226 Difference]: Without dead ends: 87 [2022-10-16 11:16:46,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 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 11:16:46,982 INFO L413 NwaCegarLoop]: 102 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, 102 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 11:16:46,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:16:47,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-10-16 11:16:47,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-10-16 11:16:47,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 53 states have (on average 1.679245283018868) internal successors, (89), 82 states have internal predecessors, (89), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:16:47,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2022-10-16 11:16:47,034 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 12 [2022-10-16 11:16:47,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:47,034 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2022-10-16 11:16:47,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:16:47,035 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2022-10-16 11:16:47,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 11:16:47,036 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:47,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:47,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 11:16:47,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-10-16 11:16:47,252 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:47,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:47,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1835686714, now seen corresponding path program 1 times [2022-10-16 11:16:47,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:47,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466683189] [2022-10-16 11:16:47,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:47,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:47,281 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:47,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1445703855] [2022-10-16 11:16:47,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:47,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:47,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:47,284 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:47,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 11:16:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:47,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:16:47,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:47,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:16:47,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:16:47,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:47,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466683189] [2022-10-16 11:16:47,426 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:47,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445703855] [2022-10-16 11:16:47,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445703855] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:16:47,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:16:47,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:16:47,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690670035] [2022-10-16 11:16:47,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:16:47,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:16:47,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:47,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:16:47,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:16:47,430 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:16:47,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:47,572 INFO L93 Difference]: Finished difference Result 265 states and 290 transitions. [2022-10-16 11:16:47,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:16:47,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-10-16 11:16:47,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:47,575 INFO L225 Difference]: With dead ends: 265 [2022-10-16 11:16:47,575 INFO L226 Difference]: Without dead ends: 182 [2022-10-16 11:16:47,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 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 11:16:47,578 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 110 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:47,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 225 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:16:47,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-10-16 11:16:47,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 91. [2022-10-16 11:16:47,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 57 states have (on average 1.6491228070175439) internal successors, (94), 86 states have internal predecessors, (94), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:16:47,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 100 transitions. [2022-10-16 11:16:47,598 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 100 transitions. Word has length 12 [2022-10-16 11:16:47,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:47,598 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 100 transitions. [2022-10-16 11:16:47,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:16:47,599 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2022-10-16 11:16:47,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 11:16:47,599 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:47,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:47,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 11:16:47,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-10-16 11:16:47,814 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:47,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:47,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1835688380, now seen corresponding path program 1 times [2022-10-16 11:16:47,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:47,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880421361] [2022-10-16 11:16:47,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:47,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:47,833 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:47,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [832793351] [2022-10-16 11:16:47,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:47,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:47,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:47,836 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:47,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 11:16:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:47,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 11:16:47,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:47,933 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 11:16:47,935 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:16:47,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:47,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880421361] [2022-10-16 11:16:47,936 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:47,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832793351] [2022-10-16 11:16:47,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832793351] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:16:47,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:16:47,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:16:47,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138455836] [2022-10-16 11:16:47,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:16:47,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:16:47,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:47,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:16:47,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:16:47,942 INFO L87 Difference]: Start difference. First operand 91 states and 100 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:16:48,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:48,045 INFO L93 Difference]: Finished difference Result 171 states and 188 transitions. [2022-10-16 11:16:48,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 11:16:48,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-10-16 11:16:48,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:48,052 INFO L225 Difference]: With dead ends: 171 [2022-10-16 11:16:48,053 INFO L226 Difference]: Without dead ends: 170 [2022-10-16 11:16:48,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 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 11:16:48,058 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 79 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:48,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 388 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:16:48,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-10-16 11:16:48,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 94. [2022-10-16 11:16:48,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 60 states have (on average 1.6333333333333333) internal successors, (98), 89 states have internal predecessors, (98), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:16:48,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 104 transitions. [2022-10-16 11:16:48,088 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 104 transitions. Word has length 12 [2022-10-16 11:16:48,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:48,089 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 104 transitions. [2022-10-16 11:16:48,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:16:48,089 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 104 transitions. [2022-10-16 11:16:48,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 11:16:48,090 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:48,090 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:48,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 11:16:48,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:48,304 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:48,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:48,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1071764988, now seen corresponding path program 1 times [2022-10-16 11:16:48,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:48,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256179823] [2022-10-16 11:16:48,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:48,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:48,335 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:48,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [559438663] [2022-10-16 11:16:48,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:48,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:48,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:48,339 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:48,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 11:16:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:48,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 11:16:48,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:48,435 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 11:16:48,435 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:16:48,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:48,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256179823] [2022-10-16 11:16:48,436 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:48,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559438663] [2022-10-16 11:16:48,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559438663] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:16:48,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:16:48,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:16:48,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616497633] [2022-10-16 11:16:48,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:16:48,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:16:48,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:48,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:16:48,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:16:48,439 INFO L87 Difference]: Start difference. First operand 94 states and 104 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:16:48,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:48,499 INFO L93 Difference]: Finished difference Result 110 states and 121 transitions. [2022-10-16 11:16:48,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:16:48,500 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-10-16 11:16:48,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:48,501 INFO L225 Difference]: With dead ends: 110 [2022-10-16 11:16:48,501 INFO L226 Difference]: Without dead ends: 109 [2022-10-16 11:16:48,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 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 11:16:48,503 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 78 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:48,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 201 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:16:48,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-10-16 11:16:48,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 93. [2022-10-16 11:16:48,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 60 states have (on average 1.6166666666666667) internal successors, (97), 88 states have internal predecessors, (97), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:16:48,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 103 transitions. [2022-10-16 11:16:48,537 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 103 transitions. Word has length 13 [2022-10-16 11:16:48,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:48,538 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 103 transitions. [2022-10-16 11:16:48,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:16:48,538 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2022-10-16 11:16:48,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 11:16:48,543 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:48,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:48,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 11:16:48,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:48,745 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:48,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:48,746 INFO L85 PathProgramCache]: Analyzing trace with hash 163927094, now seen corresponding path program 1 times [2022-10-16 11:16:48,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:48,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39021862] [2022-10-16 11:16:48,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:48,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:48,771 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:48,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [919052734] [2022-10-16 11:16:48,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:48,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:48,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:48,777 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:48,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 11:16:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:48,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 11:16:48,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:48,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 11:16:48,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:16:48,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:48,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39021862] [2022-10-16 11:16:48,883 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:48,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919052734] [2022-10-16 11:16:48,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919052734] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:16:48,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:16:48,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:16:48,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801422712] [2022-10-16 11:16:48,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:16:48,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:16:48,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:48,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:16:48,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:16:48,887 INFO L87 Difference]: Start difference. First operand 93 states and 103 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:16:48,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:48,969 INFO L93 Difference]: Finished difference Result 171 states and 188 transitions. [2022-10-16 11:16:48,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 11:16:48,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-10-16 11:16:48,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:48,974 INFO L225 Difference]: With dead ends: 171 [2022-10-16 11:16:48,974 INFO L226 Difference]: Without dead ends: 170 [2022-10-16 11:16:48,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 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 11:16:48,976 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 74 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:48,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 354 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:16:48,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-10-16 11:16:49,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 101. [2022-10-16 11:16:49,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 68 states have (on average 1.5735294117647058) internal successors, (107), 96 states have internal predecessors, (107), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:16:49,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 113 transitions. [2022-10-16 11:16:49,011 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 113 transitions. Word has length 16 [2022-10-16 11:16:49,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:49,011 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 113 transitions. [2022-10-16 11:16:49,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:16:49,012 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 113 transitions. [2022-10-16 11:16:49,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 11:16:49,014 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:49,015 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:49,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 11:16:49,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:49,216 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:49,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:49,218 INFO L85 PathProgramCache]: Analyzing trace with hash 163928760, now seen corresponding path program 1 times [2022-10-16 11:16:49,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:49,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559799773] [2022-10-16 11:16:49,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:49,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:49,254 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:49,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [118589792] [2022-10-16 11:16:49,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:49,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:49,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:49,256 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:49,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 11:16:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:49,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:16:49,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:49,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:16:49,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:16:49,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:16:49,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:49,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559799773] [2022-10-16 11:16:49,438 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:49,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118589792] [2022-10-16 11:16:49,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118589792] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:16:49,439 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 11:16:49,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2022-10-16 11:16:49,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303532655] [2022-10-16 11:16:49,440 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 11:16:49,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 11:16:49,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:49,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 11:16:49,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-10-16 11:16:49,443 INFO L87 Difference]: Start difference. First operand 101 states and 113 transitions. Second operand has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 10 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:16:49,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:49,614 INFO L93 Difference]: Finished difference Result 382 states and 430 transitions. [2022-10-16 11:16:49,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 11:16:49,615 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 10 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-10-16 11:16:49,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:49,619 INFO L225 Difference]: With dead ends: 382 [2022-10-16 11:16:49,619 INFO L226 Difference]: Without dead ends: 381 [2022-10-16 11:16:49,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-10-16 11:16:49,621 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 263 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:49,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 1112 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:16:49,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2022-10-16 11:16:49,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 125. [2022-10-16 11:16:49,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 92 states have (on average 1.4891304347826086) internal successors, (137), 120 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:16:49,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 143 transitions. [2022-10-16 11:16:49,643 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 143 transitions. Word has length 16 [2022-10-16 11:16:49,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:49,643 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 143 transitions. [2022-10-16 11:16:49,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 10 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:16:49,644 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 143 transitions. [2022-10-16 11:16:49,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 11:16:49,645 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:49,645 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:49,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 11:16:49,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:49,860 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:49,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:49,862 INFO L85 PathProgramCache]: Analyzing trace with hash 786772682, now seen corresponding path program 1 times [2022-10-16 11:16:49,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:49,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733544247] [2022-10-16 11:16:49,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:49,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:49,876 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:49,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1455484162] [2022-10-16 11:16:49,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:49,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:49,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:49,878 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:49,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 11:16:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:49,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 11:16:49,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:49,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 11:16:49,964 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:16:49,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:49,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733544247] [2022-10-16 11:16:49,965 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:49,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455484162] [2022-10-16 11:16:49,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455484162] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:16:49,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:16:49,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:16:49,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571086856] [2022-10-16 11:16:49,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:16:49,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:16:49,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:49,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:16:49,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:16:49,967 INFO L87 Difference]: Start difference. First operand 125 states and 143 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:16:50,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:50,009 INFO L93 Difference]: Finished difference Result 140 states and 159 transitions. [2022-10-16 11:16:50,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:16:50,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-10-16 11:16:50,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:50,011 INFO L225 Difference]: With dead ends: 140 [2022-10-16 11:16:50,012 INFO L226 Difference]: Without dead ends: 139 [2022-10-16 11:16:50,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 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 11:16:50,013 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 73 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:50,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 186 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:16:50,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-10-16 11:16:50,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 124. [2022-10-16 11:16:50,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 92 states have (on average 1.4782608695652173) internal successors, (136), 119 states have internal predecessors, (136), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:16:50,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 142 transitions. [2022-10-16 11:16:50,027 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 142 transitions. Word has length 17 [2022-10-16 11:16:50,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:50,028 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 142 transitions. [2022-10-16 11:16:50,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:16:50,028 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 142 transitions. [2022-10-16 11:16:50,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-16 11:16:50,029 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:50,029 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:50,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 11:16:50,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:50,246 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:50,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:50,247 INFO L85 PathProgramCache]: Analyzing trace with hash 2060707670, now seen corresponding path program 1 times [2022-10-16 11:16:50,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:50,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952102381] [2022-10-16 11:16:50,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:50,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:50,262 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:50,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [707508876] [2022-10-16 11:16:50,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:50,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:50,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:50,264 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:50,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 11:16:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:50,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:16:50,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:50,381 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 11:16:50,381 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:16:50,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:50,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952102381] [2022-10-16 11:16:50,382 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:50,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707508876] [2022-10-16 11:16:50,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707508876] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:16:50,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:16:50,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:16:50,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298218067] [2022-10-16 11:16:50,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:16:50,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:16:50,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:50,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:16:50,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:16:50,386 INFO L87 Difference]: Start difference. First operand 124 states and 142 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 11:16:50,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:50,434 INFO L93 Difference]: Finished difference Result 125 states and 143 transitions. [2022-10-16 11:16:50,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:16:50,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2022-10-16 11:16:50,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:50,436 INFO L225 Difference]: With dead ends: 125 [2022-10-16 11:16:50,436 INFO L226 Difference]: Without dead ends: 123 [2022-10-16 11:16:50,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 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 11:16:50,438 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 66 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:50,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 90 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:16:50,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-10-16 11:16:50,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 122. [2022-10-16 11:16:50,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 92 states have (on average 1.4565217391304348) internal successors, (134), 117 states have internal predecessors, (134), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:16:50,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 140 transitions. [2022-10-16 11:16:50,463 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 140 transitions. Word has length 21 [2022-10-16 11:16:50,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:50,464 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 140 transitions. [2022-10-16 11:16:50,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 11:16:50,464 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 140 transitions. [2022-10-16 11:16:50,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 11:16:50,465 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:50,465 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:50,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 11:16:50,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-10-16 11:16:50,677 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:50,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:50,678 INFO L85 PathProgramCache]: Analyzing trace with hash -542571589, now seen corresponding path program 1 times [2022-10-16 11:16:50,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:50,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54583363] [2022-10-16 11:16:50,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:50,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:50,700 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:50,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1819975060] [2022-10-16 11:16:50,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:50,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:50,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:50,702 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:50,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 11:16:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:50,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:16:50,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:50,787 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 11:16:50,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:16:50,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:50,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54583363] [2022-10-16 11:16:50,789 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:50,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819975060] [2022-10-16 11:16:50,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819975060] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:16:50,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:16:50,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:16:50,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016499299] [2022-10-16 11:16:50,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:16:50,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:16:50,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:50,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:16:50,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:16:50,791 INFO L87 Difference]: Start difference. First operand 122 states and 140 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 11:16:50,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:50,846 INFO L93 Difference]: Finished difference Result 123 states and 141 transitions. [2022-10-16 11:16:50,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:16:50,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-10-16 11:16:50,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:50,848 INFO L225 Difference]: With dead ends: 123 [2022-10-16 11:16:50,848 INFO L226 Difference]: Without dead ends: 121 [2022-10-16 11:16:50,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 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 11:16:50,850 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 63 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:50,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 90 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:16:50,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-10-16 11:16:50,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2022-10-16 11:16:50,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 92 states have (on average 1.434782608695652) internal successors, (132), 115 states have internal predecessors, (132), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:16:50,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 138 transitions. [2022-10-16 11:16:50,862 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 138 transitions. Word has length 22 [2022-10-16 11:16:50,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:50,863 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 138 transitions. [2022-10-16 11:16:50,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 11:16:50,863 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2022-10-16 11:16:50,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-16 11:16:50,864 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:50,865 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:50,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 11:16:51,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:51,082 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:51,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:51,083 INFO L85 PathProgramCache]: Analyzing trace with hash 360150008, now seen corresponding path program 1 times [2022-10-16 11:16:51,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:51,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380674186] [2022-10-16 11:16:51,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:51,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:51,096 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:51,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [328691378] [2022-10-16 11:16:51,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:51,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:51,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:51,097 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:51,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 11:16:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:51,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 11:16:51,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:51,186 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 11:16:51,187 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:16:51,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:51,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380674186] [2022-10-16 11:16:51,187 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:51,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328691378] [2022-10-16 11:16:51,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328691378] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:16:51,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:16:51,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:16:51,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014341529] [2022-10-16 11:16:51,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:16:51,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:16:51,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:51,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:16:51,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:16:51,190 INFO L87 Difference]: Start difference. First operand 120 states and 138 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 11:16:51,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:51,251 INFO L93 Difference]: Finished difference Result 120 states and 138 transitions. [2022-10-16 11:16:51,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:16:51,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-10-16 11:16:51,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:51,264 INFO L225 Difference]: With dead ends: 120 [2022-10-16 11:16:51,265 INFO L226 Difference]: Without dead ends: 116 [2022-10-16 11:16:51,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 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 11:16:51,266 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 69 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:51,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 51 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:16:51,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-10-16 11:16:51,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2022-10-16 11:16:51,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 92 states have (on average 1.391304347826087) internal successors, (128), 111 states have internal predecessors, (128), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:16:51,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2022-10-16 11:16:51,279 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 23 [2022-10-16 11:16:51,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:51,280 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2022-10-16 11:16:51,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 11:16:51,280 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2022-10-16 11:16:51,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-16 11:16:51,281 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:51,281 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:51,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-16 11:16:51,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-10-16 11:16:51,492 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:51,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:51,493 INFO L85 PathProgramCache]: Analyzing trace with hash 3051794, now seen corresponding path program 1 times [2022-10-16 11:16:51,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:51,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93169299] [2022-10-16 11:16:51,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:51,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:51,518 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:51,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [581735369] [2022-10-16 11:16:51,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:51,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:51,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:51,520 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:51,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 11:16:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:51,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 11:16:51,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:51,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:16:51,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:16:51,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:16:51,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:51,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93169299] [2022-10-16 11:16:51,774 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:51,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581735369] [2022-10-16 11:16:51,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581735369] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:16:51,775 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 11:16:51,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-10-16 11:16:51,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491228568] [2022-10-16 11:16:51,775 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 11:16:51,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 11:16:51,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:51,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 11:16:51,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-10-16 11:16:51,782 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:16:52,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:52,442 INFO L93 Difference]: Finished difference Result 340 states and 381 transitions. [2022-10-16 11:16:52,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 11:16:52,443 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-10-16 11:16:52,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:52,445 INFO L225 Difference]: With dead ends: 340 [2022-10-16 11:16:52,445 INFO L226 Difference]: Without dead ends: 250 [2022-10-16 11:16:52,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2022-10-16 11:16:52,447 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 499 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:52,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 617 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 11:16:52,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-10-16 11:16:52,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 120. [2022-10-16 11:16:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 96 states have (on average 1.375) internal successors, (132), 115 states have internal predecessors, (132), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:16:52,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 138 transitions. [2022-10-16 11:16:52,461 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 138 transitions. Word has length 21 [2022-10-16 11:16:52,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:52,461 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 138 transitions. [2022-10-16 11:16:52,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:16:52,461 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2022-10-16 11:16:52,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 11:16:52,463 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:52,464 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:52,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-16 11:16:52,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-10-16 11:16:52,678 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:52,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:52,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1720251555, now seen corresponding path program 1 times [2022-10-16 11:16:52,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:52,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979914528] [2022-10-16 11:16:52,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:52,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:52,690 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:52,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1160728494] [2022-10-16 11:16:52,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:52,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:52,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:52,692 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:52,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 11:16:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:52,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 11:16:52,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:52,788 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 11:16:52,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:16:52,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:52,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979914528] [2022-10-16 11:16:52,789 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:52,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160728494] [2022-10-16 11:16:52,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160728494] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:16:52,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:16:52,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:16:52,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201637142] [2022-10-16 11:16:52,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:16:52,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:16:52,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:52,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:16:52,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:16:52,791 INFO L87 Difference]: Start difference. First operand 120 states and 138 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 11:16:52,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:52,840 INFO L93 Difference]: Finished difference Result 120 states and 138 transitions. [2022-10-16 11:16:52,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:16:52,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2022-10-16 11:16:52,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:52,843 INFO L225 Difference]: With dead ends: 120 [2022-10-16 11:16:52,843 INFO L226 Difference]: Without dead ends: 116 [2022-10-16 11:16:52,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 11:16:52,844 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 64 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:52,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 51 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:16:52,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-10-16 11:16:52,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2022-10-16 11:16:52,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 96 states have (on average 1.3333333333333333) internal successors, (128), 111 states have internal predecessors, (128), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:16:52,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2022-10-16 11:16:52,857 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 24 [2022-10-16 11:16:52,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:52,858 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2022-10-16 11:16:52,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 11:16:52,858 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2022-10-16 11:16:52,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 11:16:52,864 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:52,864 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:52,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 11:16:53,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-10-16 11:16:53,079 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:53,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:53,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1190523798, now seen corresponding path program 2 times [2022-10-16 11:16:53,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:53,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112192356] [2022-10-16 11:16:53,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:53,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:53,092 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:53,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1647029543] [2022-10-16 11:16:53,092 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 11:16:53,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:53,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:53,093 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:53,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 11:16:53,138 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 11:16:53,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 11:16:53,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:16:53,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:53,193 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 11:16:53,194 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:16:53,244 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 11:16:53,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:53,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112192356] [2022-10-16 11:16:53,245 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:53,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647029543] [2022-10-16 11:16:53,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647029543] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:16:53,245 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 11:16:53,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2022-10-16 11:16:53,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483776891] [2022-10-16 11:16:53,246 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 11:16:53,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 11:16:53,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:53,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 11:16:53,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-16 11:16:53,247 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:16:53,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:53,431 INFO L93 Difference]: Finished difference Result 155 states and 178 transitions. [2022-10-16 11:16:53,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:16:53,432 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2022-10-16 11:16:53,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:53,433 INFO L225 Difference]: With dead ends: 155 [2022-10-16 11:16:53,433 INFO L226 Difference]: Without dead ends: 154 [2022-10-16 11:16:53,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-10-16 11:16:53,434 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 236 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:53,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 158 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:16:53,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-10-16 11:16:53,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 99. [2022-10-16 11:16:53,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 80 states have (on average 1.3375) internal successors, (107), 94 states have internal predecessors, (107), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:16:53,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2022-10-16 11:16:53,448 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 25 [2022-10-16 11:16:53,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:53,448 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2022-10-16 11:16:53,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:16:53,449 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2022-10-16 11:16:53,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-16 11:16:53,449 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:53,449 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:53,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-10-16 11:16:53,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-10-16 11:16:53,666 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:53,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:53,667 INFO L85 PathProgramCache]: Analyzing trace with hash 569235999, now seen corresponding path program 1 times [2022-10-16 11:16:53,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:53,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284367779] [2022-10-16 11:16:53,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:53,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:53,677 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:53,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [929351725] [2022-10-16 11:16:53,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:53,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:53,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:53,679 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:53,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 11:16:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:53,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:16:53,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:53,806 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 11:16:53,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:16:53,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:53,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284367779] [2022-10-16 11:16:53,807 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:53,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929351725] [2022-10-16 11:16:53,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929351725] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:16:53,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:16:53,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:16:53,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951296430] [2022-10-16 11:16:53,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:16:53,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:16:53,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:53,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:16:53,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:16:53,810 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 11:16:53,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:53,959 INFO L93 Difference]: Finished difference Result 194 states and 217 transitions. [2022-10-16 11:16:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 11:16:53,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2022-10-16 11:16:53,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:53,961 INFO L225 Difference]: With dead ends: 194 [2022-10-16 11:16:53,961 INFO L226 Difference]: Without dead ends: 192 [2022-10-16 11:16:53,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 11:16:53,962 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 137 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:53,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 210 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:16:53,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-10-16 11:16:53,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 133. [2022-10-16 11:16:53,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 111 states have (on average 1.3243243243243243) internal successors, (147), 125 states have internal predecessors, (147), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 11:16:53,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 157 transitions. [2022-10-16 11:16:53,978 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 157 transitions. Word has length 29 [2022-10-16 11:16:53,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:53,978 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 157 transitions. [2022-10-16 11:16:53,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 11:16:53,979 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 157 transitions. [2022-10-16 11:16:53,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-16 11:16:53,979 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:53,980 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:54,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-10-16 11:16:54,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:54,193 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:54,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:54,194 INFO L85 PathProgramCache]: Analyzing trace with hash 466446885, now seen corresponding path program 1 times [2022-10-16 11:16:54,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:54,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446339450] [2022-10-16 11:16:54,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:54,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:54,206 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:54,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2124157849] [2022-10-16 11:16:54,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:54,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:54,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:54,208 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:54,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-10-16 11:16:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:54,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:16:54,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:54,354 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 11:16:54,354 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:16:54,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:54,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446339450] [2022-10-16 11:16:54,355 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:54,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124157849] [2022-10-16 11:16:54,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124157849] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:16:54,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:16:54,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:16:54,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805984020] [2022-10-16 11:16:54,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:16:54,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:16:54,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:54,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:16:54,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:16:54,357 INFO L87 Difference]: Start difference. First operand 133 states and 157 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 11:16:54,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:54,424 INFO L93 Difference]: Finished difference Result 135 states and 159 transitions. [2022-10-16 11:16:54,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:16:54,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2022-10-16 11:16:54,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:54,426 INFO L225 Difference]: With dead ends: 135 [2022-10-16 11:16:54,426 INFO L226 Difference]: Without dead ends: 133 [2022-10-16 11:16:54,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:16:54,429 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 67 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:54,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 55 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:16:54,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-10-16 11:16:54,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2022-10-16 11:16:54,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 111 states have (on average 1.2882882882882882) internal successors, (143), 123 states have internal predecessors, (143), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 11:16:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2022-10-16 11:16:54,444 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 30 [2022-10-16 11:16:54,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:54,445 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2022-10-16 11:16:54,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 11:16:54,445 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2022-10-16 11:16:54,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-16 11:16:54,446 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:54,446 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:54,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-10-16 11:16:54,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 11:16:54,660 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:54,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:54,661 INFO L85 PathProgramCache]: Analyzing trace with hash 463802796, now seen corresponding path program 2 times [2022-10-16 11:16:54,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:54,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481759508] [2022-10-16 11:16:54,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:54,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:54,674 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:54,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1546750452] [2022-10-16 11:16:54,675 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 11:16:54,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:54,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:54,676 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:54,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-10-16 11:16:54,729 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 11:16:54,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 11:16:54,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:16:54,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-16 11:16:54,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:16:54,823 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-16 11:16:54,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:54,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481759508] [2022-10-16 11:16:54,824 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:54,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546750452] [2022-10-16 11:16:54,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546750452] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:16:54,824 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 11:16:54,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2022-10-16 11:16:54,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821118456] [2022-10-16 11:16:54,825 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 11:16:54,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 11:16:54,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:54,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 11:16:54,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-16 11:16:54,826 INFO L87 Difference]: Start difference. First operand 131 states and 153 transitions. Second operand has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 8 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:16:55,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:55,007 INFO L93 Difference]: Finished difference Result 180 states and 209 transitions. [2022-10-16 11:16:55,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:16:55,008 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 8 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2022-10-16 11:16:55,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:55,009 INFO L225 Difference]: With dead ends: 180 [2022-10-16 11:16:55,010 INFO L226 Difference]: Without dead ends: 179 [2022-10-16 11:16:55,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-10-16 11:16:55,011 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 311 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:55,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 198 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:16:55,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-10-16 11:16:55,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 115. [2022-10-16 11:16:55,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 96 states have (on average 1.28125) internal successors, (123), 107 states have internal predecessors, (123), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 11:16:55,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2022-10-16 11:16:55,026 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 28 [2022-10-16 11:16:55,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:55,026 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2022-10-16 11:16:55,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 8 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 11:16:55,027 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2022-10-16 11:16:55,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-16 11:16:55,040 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:55,040 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:55,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-10-16 11:16:55,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-10-16 11:16:55,253 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:55,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:55,254 INFO L85 PathProgramCache]: Analyzing trace with hash -69850933, now seen corresponding path program 1 times [2022-10-16 11:16:55,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:55,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707321732] [2022-10-16 11:16:55,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:55,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:55,264 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:55,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1473853415] [2022-10-16 11:16:55,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:55,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:55,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:55,266 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:55,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-10-16 11:16:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:55,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 11:16:55,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:55,348 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 11:16:55,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:16:55,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:55,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707321732] [2022-10-16 11:16:55,349 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:55,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473853415] [2022-10-16 11:16:55,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473853415] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:16:55,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:16:55,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 11:16:55,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858186432] [2022-10-16 11:16:55,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:16:55,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 11:16:55,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:55,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 11:16:55,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 11:16:55,352 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 11:16:55,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:55,481 INFO L93 Difference]: Finished difference Result 164 states and 180 transitions. [2022-10-16 11:16:55,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 11:16:55,482 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2022-10-16 11:16:55,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:55,483 INFO L225 Difference]: With dead ends: 164 [2022-10-16 11:16:55,483 INFO L226 Difference]: Without dead ends: 107 [2022-10-16 11:16:55,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-10-16 11:16:55,485 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 98 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:55,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 162 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:16:55,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-10-16 11:16:55,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 85. [2022-10-16 11:16:55,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 79 states have internal predecessors, (87), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:16:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 93 transitions. [2022-10-16 11:16:55,497 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 93 transitions. Word has length 36 [2022-10-16 11:16:55,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:55,498 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 93 transitions. [2022-10-16 11:16:55,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 11:16:55,499 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2022-10-16 11:16:55,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 11:16:55,500 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:55,500 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:55,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-10-16 11:16:55,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-10-16 11:16:55,715 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:55,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:55,715 INFO L85 PathProgramCache]: Analyzing trace with hash -24047801, now seen corresponding path program 1 times [2022-10-16 11:16:55,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:55,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740580950] [2022-10-16 11:16:55,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:55,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:55,729 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:55,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1388790869] [2022-10-16 11:16:55,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:55,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:55,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:55,731 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:55,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-10-16 11:16:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:55,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:16:55,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:55,858 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 11:16:55,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:16:55,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:55,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740580950] [2022-10-16 11:16:55,859 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:55,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388790869] [2022-10-16 11:16:55,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388790869] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:16:55,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:16:55,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:16:55,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171858276] [2022-10-16 11:16:55,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:16:55,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:16:55,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:55,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:16:55,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:16:55,863 INFO L87 Difference]: Start difference. First operand 85 states and 93 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 11:16:55,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:55,921 INFO L93 Difference]: Finished difference Result 86 states and 94 transitions. [2022-10-16 11:16:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:16:55,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2022-10-16 11:16:55,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:55,924 INFO L225 Difference]: With dead ends: 86 [2022-10-16 11:16:55,924 INFO L226 Difference]: Without dead ends: 84 [2022-10-16 11:16:55,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:16:55,925 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 99 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:55,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 53 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:16:55,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-10-16 11:16:55,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 83. [2022-10-16 11:16:55,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 68 states have (on average 1.25) internal successors, (85), 77 states have internal predecessors, (85), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:16:55,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 91 transitions. [2022-10-16 11:16:55,937 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 91 transitions. Word has length 38 [2022-10-16 11:16:55,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:55,938 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 91 transitions. [2022-10-16 11:16:55,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 11:16:55,938 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2022-10-16 11:16:55,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 11:16:55,938 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:55,939 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:55,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-10-16 11:16:56,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 11:16:56,155 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:56,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:56,155 INFO L85 PathProgramCache]: Analyzing trace with hash 189552291, now seen corresponding path program 1 times [2022-10-16 11:16:56,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:56,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070214363] [2022-10-16 11:16:56,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:56,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:56,168 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:56,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1204097787] [2022-10-16 11:16:56,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:56,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:56,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:56,170 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:56,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-10-16 11:16:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:56,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 11:16:56,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 11:16:56,274 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:16:56,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:56,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070214363] [2022-10-16 11:16:56,274 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:56,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204097787] [2022-10-16 11:16:56,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204097787] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:16:56,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:16:56,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:16:56,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264357760] [2022-10-16 11:16:56,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:16:56,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:16:56,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:56,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:16:56,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:16:56,280 INFO L87 Difference]: Start difference. First operand 83 states and 91 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 11:16:56,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:56,300 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2022-10-16 11:16:56,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:16:56,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2022-10-16 11:16:56,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:56,301 INFO L225 Difference]: With dead ends: 83 [2022-10-16 11:16:56,301 INFO L226 Difference]: Without dead ends: 79 [2022-10-16 11:16:56,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 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 11:16:56,303 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 33 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:56,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 72 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:16:56,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-10-16 11:16:56,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-10-16 11:16:56,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 73 states have internal predecessors, (81), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:16:56,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2022-10-16 11:16:56,316 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 45 [2022-10-16 11:16:56,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:56,316 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2022-10-16 11:16:56,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 11:16:56,316 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2022-10-16 11:16:56,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 11:16:56,317 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:56,317 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:56,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-10-16 11:16:56,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:56,531 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:56,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:56,532 INFO L85 PathProgramCache]: Analyzing trace with hash -368394035, now seen corresponding path program 1 times [2022-10-16 11:16:56,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:56,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402742180] [2022-10-16 11:16:56,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:56,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:56,548 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:56,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [104502524] [2022-10-16 11:16:56,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:56,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:56,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:56,550 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:56,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-10-16 11:16:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:56,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 11:16:56,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:56,643 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 11:16:56,643 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:16:56,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:56,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402742180] [2022-10-16 11:16:56,644 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:56,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104502524] [2022-10-16 11:16:56,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104502524] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:16:56,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:16:56,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:16:56,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729729769] [2022-10-16 11:16:56,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:16:56,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:16:56,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:56,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:16:56,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:16:56,646 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 11:16:56,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:56,717 INFO L93 Difference]: Finished difference Result 164 states and 180 transitions. [2022-10-16 11:16:56,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:16:56,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 54 [2022-10-16 11:16:56,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:56,719 INFO L225 Difference]: With dead ends: 164 [2022-10-16 11:16:56,719 INFO L226 Difference]: Without dead ends: 111 [2022-10-16 11:16:56,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 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 11:16:56,720 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 28 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:56,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 109 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:16:56,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-10-16 11:16:56,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 89. [2022-10-16 11:16:56,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 78 states have (on average 1.1666666666666667) internal successors, (91), 83 states have internal predecessors, (91), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 11:16:56,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 97 transitions. [2022-10-16 11:16:56,734 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 97 transitions. Word has length 54 [2022-10-16 11:16:56,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:56,734 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 97 transitions. [2022-10-16 11:16:56,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 11:16:56,734 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2022-10-16 11:16:56,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 11:16:56,735 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:56,735 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:56,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-10-16 11:16:56,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:56,949 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:56,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:56,950 INFO L85 PathProgramCache]: Analyzing trace with hash 54307791, now seen corresponding path program 1 times [2022-10-16 11:16:56,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:56,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860961559] [2022-10-16 11:16:56,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:56,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:56,964 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:56,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1974941189] [2022-10-16 11:16:56,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:56,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:56,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:56,966 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:56,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-10-16 11:16:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:57,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-16 11:16:57,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:57,250 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:16:57,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:16:57,575 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 11:16:57,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:16:57,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860961559] [2022-10-16 11:16:57,576 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 11:16:57,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974941189] [2022-10-16 11:16:57,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974941189] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:16:57,577 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 11:16:57,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 19 [2022-10-16 11:16:57,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68705201] [2022-10-16 11:16:57,577 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 11:16:57,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-16 11:16:57,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:16:57,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-16 11:16:57,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2022-10-16 11:16:57,579 INFO L87 Difference]: Start difference. First operand 89 states and 97 transitions. Second operand has 19 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 16 states have internal predecessors, (59), 4 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2022-10-16 11:16:58,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:16:58,793 INFO L93 Difference]: Finished difference Result 404 states and 451 transitions. [2022-10-16 11:16:58,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-10-16 11:16:58,794 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 16 states have internal predecessors, (59), 4 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) Word has length 54 [2022-10-16 11:16:58,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:16:58,798 INFO L225 Difference]: With dead ends: 404 [2022-10-16 11:16:58,798 INFO L226 Difference]: Without dead ends: 341 [2022-10-16 11:16:58,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 86 SyntacticMatches, 4 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=429, Invalid=1641, Unknown=0, NotChecked=0, Total=2070 [2022-10-16 11:16:58,801 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 726 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 11:16:58,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 692 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 11:16:58,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2022-10-16 11:16:58,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 150. [2022-10-16 11:16:58,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 134 states have (on average 1.1865671641791045) internal successors, (159), 140 states have internal predecessors, (159), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-10-16 11:16:58,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 171 transitions. [2022-10-16 11:16:58,824 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 171 transitions. Word has length 54 [2022-10-16 11:16:58,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:16:58,825 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 171 transitions. [2022-10-16 11:16:58,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 16 states have internal predecessors, (59), 4 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2022-10-16 11:16:58,825 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 171 transitions. [2022-10-16 11:16:58,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 11:16:58,826 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:16:58,826 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:16:58,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-10-16 11:16:59,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:59,041 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 11:16:59,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:16:59,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1488836639, now seen corresponding path program 1 times [2022-10-16 11:16:59,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:16:59,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800109688] [2022-10-16 11:16:59,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:59,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:16:59,055 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 11:16:59,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1764805356] [2022-10-16 11:16:59,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:16:59,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:16:59,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:16:59,057 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:16:59,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-10-16 11:16:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:16:59,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-16 11:16:59,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:16:59,272 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 40 [2022-10-16 11:16:59,280 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2022-10-16 11:17:00,065 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 320 treesize of output 301 [2022-10-16 11:17:01,302 INFO L356 Elim1Store]: treesize reduction 568, result has 1.6 percent of original size [2022-10-16 11:17:01,303 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 8 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 312 treesize of output 2655 [2022-10-16 11:17:10,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:17:10,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:17:10,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:17:10,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:10,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:17:11,011 INFO L244 Elim1Store]: Index analysis took 225 ms [2022-10-16 11:17:14,727 INFO L356 Elim1Store]: treesize reduction 235, result has 24.7 percent of original size [2022-10-16 11:17:14,728 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 9 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 2912 treesize of output 10382 [2022-10-16 11:17:26,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:17:26,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:17:26,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:17:26,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:17:26,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:27,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:27,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:28,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:28,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:28,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:28,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:28,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:28,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:29,482 INFO L244 Elim1Store]: Index analysis took 3404 ms [2022-10-16 11:17:29,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:30,597 INFO L356 Elim1Store]: treesize reduction 390, result has 0.3 percent of original size [2022-10-16 11:17:30,598 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 8 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 14 case distinctions, treesize of input 1727 treesize of output 11417 [2022-10-16 11:17:38,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:17:38,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:17:38,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:17:38,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:40,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:40,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:40,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:41,319 INFO L244 Elim1Store]: Index analysis took 2965 ms [2022-10-16 11:17:41,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:41,819 INFO L356 Elim1Store]: treesize reduction 487, result has 0.2 percent of original size [2022-10-16 11:17:41,819 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 6 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 14 case distinctions, treesize of input 1537 treesize of output 7252 [2022-10-16 11:17:43,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:17:43,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:17:43,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:17:43,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:17:43,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:17:44,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:17:44,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:17:44,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:17:44,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:44,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:44,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:44,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:44,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:44,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:44,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:44,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:44,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:44,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:45,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:45,290 INFO L244 Elim1Store]: Index analysis took 1671 ms [2022-10-16 11:17:45,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:17:45,610 INFO L356 Elim1Store]: treesize reduction 269, result has 0.4 percent of original size [2022-10-16 11:17:45,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 6 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 9 case distinctions, treesize of input 1586 treesize of output 7301 [2022-10-16 11:18:13,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:13,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:13,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:13,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:13,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:18:13,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:13,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:13,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:13,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:13,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:13,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:13,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:13,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:13,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:13,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:13,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:13,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:18:13,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:13,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:13,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:13,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:15,246 INFO L356 Elim1Store]: treesize reduction 571, result has 3.7 percent of original size [2022-10-16 11:18:15,247 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 5 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 4760 treesize of output 7089 [2022-10-16 11:18:28,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:28,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:28,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:28,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:28,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:28,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:28,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:28,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:28,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:28,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:28,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:28,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:28,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:18:28,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:29,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:29,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:29,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 11:18:29,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 11:18:29,113 INFO L244 Elim1Store]: Index analysis took 382 ms [2022-10-16 11:18:32,799 INFO L356 Elim1Store]: treesize reduction 739, result has 4.4 percent of original size [2022-10-16 11:18:32,800 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 5 stores, 3 select indices, 3 select index equivalence classes, 21 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 941 treesize of output 3264