/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-tiling/skipped.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 11:30:22,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 11:30:22,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 11:30:22,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 11:30:22,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 11:30:22,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 11:30:22,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 11:30:22,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 11:30:22,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 11:30:22,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 11:30:22,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 11:30:22,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 11:30:22,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 11:30:22,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 11:30:22,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 11:30:22,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 11:30:22,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 11:30:22,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 11:30:22,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 11:30:22,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 11:30:22,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 11:30:22,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 11:30:22,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 11:30:22,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 11:30:22,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 11:30:22,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 11:30:22,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 11:30:22,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 11:30:22,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 11:30:22,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 11:30:22,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 11:30:22,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 11:30:22,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 11:30:22,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 11:30:22,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 11:30:22,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 11:30:22,829 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 11:30:22,892 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 11:30:22,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 11:30:22,893 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 11:30:22,893 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 11:30:22,894 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 11:30:22,895 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 11:30:22,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 11:30:22,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 11:30:22,896 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 11:30:22,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 11:30:22,896 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 11:30:22,896 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 11:30:22,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 11:30:22,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 11:30:22,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 11:30:22,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 11:30:22,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 11:30:22,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 11:30:22,900 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 11:30:22,900 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 11:30:22,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 11:30:22,900 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 11:30:22,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 11:30:22,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 11:30:22,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 11:30:22,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 11:30:22,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:30:22,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 11:30:22,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 11:30:22,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 11:30:22,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 11:30:22,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 11:30:22,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 11:30:22,904 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 11:30:23,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 11:30:23,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 11:30:23,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 11:30:23,339 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 11:30:23,342 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 11:30:23,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/skipped.c [2022-10-16 11:30:23,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a77e1f83/4146ac0b21ec40b0bd01148ac195a213/FLAG89cd85c5d [2022-10-16 11:30:24,081 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 11:30:24,082 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/skipped.c [2022-10-16 11:30:24,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a77e1f83/4146ac0b21ec40b0bd01148ac195a213/FLAG89cd85c5d [2022-10-16 11:30:24,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a77e1f83/4146ac0b21ec40b0bd01148ac195a213 [2022-10-16 11:30:24,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 11:30:24,463 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 11:30:24,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 11:30:24,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 11:30:24,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 11:30:24,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:30:24" (1/1) ... [2022-10-16 11:30:24,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ebbdfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:30:24, skipping insertion in model container [2022-10-16 11:30:24,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:30:24" (1/1) ... [2022-10-16 11:30:24,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 11:30:24,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 11:30:24,681 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-tiling/skipped.c[398,411] [2022-10-16 11:30:24,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:30:24,716 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 11:30:24,732 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-tiling/skipped.c[398,411] [2022-10-16 11:30:24,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:30:24,761 INFO L208 MainTranslator]: Completed translation [2022-10-16 11:30:24,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:30:24 WrapperNode [2022-10-16 11:30:24,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 11:30:24,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 11:30:24,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 11:30:24,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 11:30:24,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:30:24" (1/1) ... [2022-10-16 11:30:24,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:30:24" (1/1) ... [2022-10-16 11:30:24,821 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2022-10-16 11:30:24,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 11:30:24,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 11:30:24,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 11:30:24,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 11:30:24,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:30:24" (1/1) ... [2022-10-16 11:30:24,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:30:24" (1/1) ... [2022-10-16 11:30:24,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:30:24" (1/1) ... [2022-10-16 11:30:24,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:30:24" (1/1) ... [2022-10-16 11:30:24,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:30:24" (1/1) ... [2022-10-16 11:30:24,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:30:24" (1/1) ... [2022-10-16 11:30:24,888 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:30:24" (1/1) ... [2022-10-16 11:30:24,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:30:24" (1/1) ... [2022-10-16 11:30:24,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 11:30:24,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 11:30:24,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 11:30:24,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 11:30:24,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:30:24" (1/1) ... [2022-10-16 11:30:24,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:30:24,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:30:24,952 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 11:30:24,971 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 11:30:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 11:30:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 11:30:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 11:30:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 11:30:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 11:30:25,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 11:30:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 11:30:25,129 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 11:30:25,132 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 11:30:25,568 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 11:30:25,577 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 11:30:25,578 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-16 11:30:25,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:30:25 BoogieIcfgContainer [2022-10-16 11:30:25,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 11:30:25,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 11:30:25,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 11:30:25,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 11:30:25,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:30:24" (1/3) ... [2022-10-16 11:30:25,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51316277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:30:25, skipping insertion in model container [2022-10-16 11:30:25,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:30:24" (2/3) ... [2022-10-16 11:30:25,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51316277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:30:25, skipping insertion in model container [2022-10-16 11:30:25,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:30:25" (3/3) ... [2022-10-16 11:30:25,591 INFO L112 eAbstractionObserver]: Analyzing ICFG skipped.c [2022-10-16 11:30:25,616 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 11:30:25,616 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2022-10-16 11:30:25,685 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 11:30:25,695 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;@d8e95d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 11:30:25,695 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2022-10-16 11:30:25,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 61 states have (on average 1.8524590163934427) internal successors, (113), 101 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:25,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-16 11:30:25,722 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:30:25,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-16 11:30:25,723 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-16 11:30:25,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:30:25,731 INFO L85 PathProgramCache]: Analyzing trace with hash 889512652, now seen corresponding path program 1 times [2022-10-16 11:30:25,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:30:25,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416350323] [2022-10-16 11:30:25,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:25,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:30:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:26,030 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 11:30:26,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:30:26,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416350323] [2022-10-16 11:30:26,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416350323] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:30:26,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:30:26,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:30:26,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578699941] [2022-10-16 11:30:26,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:30:26,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:30:26,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:30:26,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:30:26,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:30:26,095 INFO L87 Difference]: Start difference. First operand has 102 states, 61 states have (on average 1.8524590163934427) internal successors, (113), 101 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:26,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:30:26,291 INFO L93 Difference]: Finished difference Result 217 states and 242 transitions. [2022-10-16 11:30:26,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:30:26,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-10-16 11:30:26,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:30:26,307 INFO L225 Difference]: With dead ends: 217 [2022-10-16 11:30:26,307 INFO L226 Difference]: Without dead ends: 112 [2022-10-16 11:30:26,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:30:26,318 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 19 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:30:26,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 227 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:30:26,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-10-16 11:30:26,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 101. [2022-10-16 11:30:26,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 61 states have (on average 1.7377049180327868) internal successors, (106), 100 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 106 transitions. [2022-10-16 11:30:26,375 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 106 transitions. Word has length 6 [2022-10-16 11:30:26,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:30:26,376 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 106 transitions. [2022-10-16 11:30:26,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:26,376 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 106 transitions. [2022-10-16 11:30:26,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 11:30:26,377 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:30:26,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:30:26,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 11:30:26,378 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-16 11:30:26,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:30:26,379 INFO L85 PathProgramCache]: Analyzing trace with hash 121693586, now seen corresponding path program 1 times [2022-10-16 11:30:26,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:30:26,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281425904] [2022-10-16 11:30:26,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:26,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:30:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:26,495 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 11:30:26,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:30:26,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281425904] [2022-10-16 11:30:26,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281425904] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:30:26,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:30:26,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:30:26,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162394106] [2022-10-16 11:30:26,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:30:26,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:30:26,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:30:26,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:30:26,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:30:26,501 INFO L87 Difference]: Start difference. First operand 101 states and 106 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:26,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:30:26,719 INFO L93 Difference]: Finished difference Result 189 states and 197 transitions. [2022-10-16 11:30:26,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:30:26,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-10-16 11:30:26,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:30:26,722 INFO L225 Difference]: With dead ends: 189 [2022-10-16 11:30:26,722 INFO L226 Difference]: Without dead ends: 101 [2022-10-16 11:30:26,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:30:26,728 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 3 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 11:30:26,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 111 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 11:30:26,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-10-16 11:30:26,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-10-16 11:30:26,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 61 states have (on average 1.721311475409836) internal successors, (105), 100 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:26,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 105 transitions. [2022-10-16 11:30:26,758 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 105 transitions. Word has length 8 [2022-10-16 11:30:26,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:30:26,762 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 105 transitions. [2022-10-16 11:30:26,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:26,763 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 105 transitions. [2022-10-16 11:30:26,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 11:30:26,765 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:30:26,765 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 11:30:26,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 11:30:26,766 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-16 11:30:26,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:30:26,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1894413816, now seen corresponding path program 1 times [2022-10-16 11:30:26,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:30:26,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793432362] [2022-10-16 11:30:26,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:26,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:30:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:26,926 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 11:30:26,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:30:26,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793432362] [2022-10-16 11:30:26,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793432362] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:30:26,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317427861] [2022-10-16 11:30:26,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:26,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:30:26,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:30:26,933 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 11:30:26,941 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 11:30:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:27,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:30:27,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:30:27,094 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 11:30:27,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:30:27,147 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 11:30:27,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317427861] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:30:27,148 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:30:27,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 11:30:27,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939440460] [2022-10-16 11:30:27,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:30:27,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 11:30:27,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:30:27,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 11:30:27,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-16 11:30:27,151 INFO L87 Difference]: Start difference. First operand 101 states and 105 transitions. Second operand has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:27,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:30:27,658 INFO L93 Difference]: Finished difference Result 195 states and 223 transitions. [2022-10-16 11:30:27,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 11:30:27,659 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 11:30:27,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:30:27,665 INFO L225 Difference]: With dead ends: 195 [2022-10-16 11:30:27,665 INFO L226 Difference]: Without dead ends: 178 [2022-10-16 11:30:27,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-10-16 11:30:27,673 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 309 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 11:30:27,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 104 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 11:30:27,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-10-16 11:30:27,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 148. [2022-10-16 11:30:27,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 108 states have (on average 1.6388888888888888) internal successors, (177), 147 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:27,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 177 transitions. [2022-10-16 11:30:27,711 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 177 transitions. Word has length 10 [2022-10-16 11:30:27,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:30:27,712 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 177 transitions. [2022-10-16 11:30:27,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:27,712 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 177 transitions. [2022-10-16 11:30:27,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 11:30:27,716 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:30:27,716 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2022-10-16 11:30:27,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 11:30:27,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:30:27,919 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-16 11:30:27,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:30:27,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1402713897, now seen corresponding path program 1 times [2022-10-16 11:30:27,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:30:27,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085076749] [2022-10-16 11:30:27,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:27,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:30:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:28,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:30:28,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:30:28,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085076749] [2022-10-16 11:30:28,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085076749] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:30:28,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129882003] [2022-10-16 11:30:28,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:28,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:30:28,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:30:28,090 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 11:30:28,098 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 11:30:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:28,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:30:28,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:30:28,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:30:28,187 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:30:28,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129882003] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:30:28,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 11:30:28,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 11:30:28,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594408591] [2022-10-16 11:30:28,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:30:28,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 11:30:28,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:30:28,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 11:30:28,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 11:30:28,191 INFO L87 Difference]: Start difference. First operand 148 states and 177 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:28,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:30:28,449 INFO L93 Difference]: Finished difference Result 181 states and 193 transitions. [2022-10-16 11:30:28,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:30:28,450 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-10-16 11:30:28,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:30:28,452 INFO L225 Difference]: With dead ends: 181 [2022-10-16 11:30:28,452 INFO L226 Difference]: Without dead ends: 164 [2022-10-16 11:30:28,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 11:30:28,455 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 112 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 11:30:28,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 175 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 11:30:28,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-10-16 11:30:28,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 148. [2022-10-16 11:30:28,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 109 states have (on average 1.4678899082568808) internal successors, (160), 147 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:28,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 160 transitions. [2022-10-16 11:30:28,469 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 160 transitions. Word has length 11 [2022-10-16 11:30:28,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:30:28,470 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 160 transitions. [2022-10-16 11:30:28,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:28,471 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 160 transitions. [2022-10-16 11:30:28,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 11:30:28,471 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:30:28,471 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:30:28,511 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 11:30:28,685 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,SelfDestructingSolverStorable3 [2022-10-16 11:30:28,687 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-16 11:30:28,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:30:28,688 INFO L85 PathProgramCache]: Analyzing trace with hash 532983246, now seen corresponding path program 1 times [2022-10-16 11:30:28,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:30:28,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698518129] [2022-10-16 11:30:28,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:28,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:30:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:28,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:30:28,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:30:28,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698518129] [2022-10-16 11:30:28,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698518129] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:30:28,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460641140] [2022-10-16 11:30:28,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:28,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:30:28,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:30:28,833 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 11:30:28,838 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 11:30:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:28,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:30:28,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:30:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:30:28,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:30:29,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:30:29,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460641140] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:30:29,007 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:30:29,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-10-16 11:30:29,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846995164] [2022-10-16 11:30:29,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:30:29,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 11:30:29,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:30:29,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 11:30:29,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-10-16 11:30:29,012 INFO L87 Difference]: Start difference. First operand 148 states and 160 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:29,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:30:29,232 INFO L93 Difference]: Finished difference Result 273 states and 293 transitions. [2022-10-16 11:30:29,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:30:29,233 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-10-16 11:30:29,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:30:29,234 INFO L225 Difference]: With dead ends: 273 [2022-10-16 11:30:29,234 INFO L226 Difference]: Without dead ends: 148 [2022-10-16 11:30:29,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-10-16 11:30:29,237 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 15 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 11:30:29,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 292 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 11:30:29,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-10-16 11:30:29,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2022-10-16 11:30:29,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 109 states have (on average 1.4587155963302751) internal successors, (159), 147 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:29,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 159 transitions. [2022-10-16 11:30:29,249 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 159 transitions. Word has length 12 [2022-10-16 11:30:29,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:30:29,249 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 159 transitions. [2022-10-16 11:30:29,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:29,250 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 159 transitions. [2022-10-16 11:30:29,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 11:30:29,250 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:30:29,251 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:30:29,296 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 11:30:29,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:30:29,471 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-16 11:30:29,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:30:29,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1148319754, now seen corresponding path program 2 times [2022-10-16 11:30:29,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:30:29,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148266607] [2022-10-16 11:30:29,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:29,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:30:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:29,997 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:30:29,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:30:29,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148266607] [2022-10-16 11:30:29,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148266607] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:30:29,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296035826] [2022-10-16 11:30:29,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 11:30:29,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:30:29,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:30:30,000 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 11:30:30,025 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 11:30:30,056 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 11:30:30,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 11:30:30,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 11:30:30,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:30:30,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 11:30:30,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:30:30,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296035826] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:30:30,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 11:30:30,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2022-10-16 11:30:30,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002559456] [2022-10-16 11:30:30,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:30:30,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:30:30,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:30:30,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:30:30,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-10-16 11:30:30,146 INFO L87 Difference]: Start difference. First operand 148 states and 159 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:30,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:30:30,167 INFO L93 Difference]: Finished difference Result 148 states and 159 transitions. [2022-10-16 11:30:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:30:30,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-10-16 11:30:30,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:30:30,169 INFO L225 Difference]: With dead ends: 148 [2022-10-16 11:30:30,169 INFO L226 Difference]: Without dead ends: 146 [2022-10-16 11:30:30,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-10-16 11:30:30,170 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 183 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:30:30,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 89 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:30:30,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-10-16 11:30:30,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2022-10-16 11:30:30,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 109 states have (on average 1.4220183486238531) internal successors, (155), 145 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:30,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 155 transitions. [2022-10-16 11:30:30,180 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 155 transitions. Word has length 16 [2022-10-16 11:30:30,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:30:30,181 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 155 transitions. [2022-10-16 11:30:30,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:30,181 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 155 transitions. [2022-10-16 11:30:30,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 11:30:30,182 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:30:30,182 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1] [2022-10-16 11:30:30,245 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 11:30:30,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:30:30,397 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-16 11:30:30,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:30:30,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1716489148, now seen corresponding path program 2 times [2022-10-16 11:30:30,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:30:30,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293370335] [2022-10-16 11:30:30,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:30,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:30:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:30,573 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:30:30,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:30:30,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293370335] [2022-10-16 11:30:30,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293370335] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:30:30,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927521783] [2022-10-16 11:30:30,574 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 11:30:30,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:30:30,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:30:30,576 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 11:30:30,591 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 11:30:30,623 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 11:30:30,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 11:30:30,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:30:30,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:30:30,690 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 11:30:30,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:30:30,741 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 11:30:30,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927521783] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:30:30,742 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:30:30,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2022-10-16 11:30:30,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697437760] [2022-10-16 11:30:30,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:30:30,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 11:30:30,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:30:30,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 11:30:30,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-10-16 11:30:30,755 INFO L87 Difference]: Start difference. First operand 146 states and 155 transitions. Second operand has 15 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 15 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:31,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:30:31,233 INFO L93 Difference]: Finished difference Result 178 states and 190 transitions. [2022-10-16 11:30:31,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 11:30:31,234 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 15 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-10-16 11:30:31,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:30:31,235 INFO L225 Difference]: With dead ends: 178 [2022-10-16 11:30:31,236 INFO L226 Difference]: Without dead ends: 177 [2022-10-16 11:30:31,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=207, Invalid=495, Unknown=0, NotChecked=0, Total=702 [2022-10-16 11:30:31,237 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 431 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 11:30:31,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 89 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 11:30:31,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2022-10-16 11:30:31,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 135. [2022-10-16 11:30:31,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 99 states have (on average 1.4343434343434343) internal successors, (142), 134 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:31,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 142 transitions. [2022-10-16 11:30:31,245 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 142 transitions. Word has length 22 [2022-10-16 11:30:31,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:30:31,246 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 142 transitions. [2022-10-16 11:30:31,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 15 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:31,246 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 142 transitions. [2022-10-16 11:30:31,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 11:30:31,247 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:30:31,247 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:30:31,278 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 11:30:31,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:30:31,449 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-16 11:30:31,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:30:31,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1878829863, now seen corresponding path program 1 times [2022-10-16 11:30:31,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:30:31,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022544779] [2022-10-16 11:30:31,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:31,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:30:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:31,517 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 11:30:31,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:30:31,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022544779] [2022-10-16 11:30:31,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022544779] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:30:31,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:30:31,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:30:31,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318217570] [2022-10-16 11:30:31,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:30:31,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:30:31,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:30:31,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:30:31,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:30:31,520 INFO L87 Difference]: Start difference. First operand 135 states and 142 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:31,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:30:31,611 INFO L93 Difference]: Finished difference Result 143 states and 150 transitions. [2022-10-16 11:30:31,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:30:31,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-10-16 11:30:31,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:30:31,613 INFO L225 Difference]: With dead ends: 143 [2022-10-16 11:30:31,613 INFO L226 Difference]: Without dead ends: 141 [2022-10-16 11:30:31,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:30:31,614 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 6 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:30:31,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 193 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:30:31,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-10-16 11:30:31,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2022-10-16 11:30:31,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 105 states have (on average 1.4095238095238096) internal successors, (148), 140 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:31,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 148 transitions. [2022-10-16 11:30:31,622 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 148 transitions. Word has length 24 [2022-10-16 11:30:31,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:30:31,622 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 148 transitions. [2022-10-16 11:30:31,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:31,622 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2022-10-16 11:30:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-16 11:30:31,624 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:30:31,624 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:30:31,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 11:30:31,624 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-16 11:30:31,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:30:31,625 INFO L85 PathProgramCache]: Analyzing trace with hash -403146610, now seen corresponding path program 1 times [2022-10-16 11:30:31,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:30:31,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353833949] [2022-10-16 11:30:31,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:31,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:30:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:31,759 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 11:30:31,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:30:31,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353833949] [2022-10-16 11:30:31,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353833949] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:30:31,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617954060] [2022-10-16 11:30:31,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:31,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:30:31,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:30:31,762 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 11:30:31,765 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 11:30:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:31,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:30:31,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:30:31,861 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 11:30:31,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:30:31,911 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 11:30:31,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617954060] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:30:31,911 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:30:31,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 11:30:31,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034667301] [2022-10-16 11:30:31,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:30:31,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 11:30:31,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:30:31,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 11:30:31,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-16 11:30:31,916 INFO L87 Difference]: Start difference. First operand 141 states and 148 transitions. Second operand has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:32,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:30:32,270 INFO L93 Difference]: Finished difference Result 169 states and 178 transitions. [2022-10-16 11:30:32,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 11:30:32,271 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-10-16 11:30:32,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:30:32,272 INFO L225 Difference]: With dead ends: 169 [2022-10-16 11:30:32,272 INFO L226 Difference]: Without dead ends: 168 [2022-10-16 11:30:32,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-10-16 11:30:32,274 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 190 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 11:30:32,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 105 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 11:30:32,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-10-16 11:30:32,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 158. [2022-10-16 11:30:32,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 122 states have (on average 1.3688524590163935) internal successors, (167), 157 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:32,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 167 transitions. [2022-10-16 11:30:32,281 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 167 transitions. Word has length 30 [2022-10-16 11:30:32,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:30:32,281 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 167 transitions. [2022-10-16 11:30:32,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:32,282 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 167 transitions. [2022-10-16 11:30:32,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-16 11:30:32,283 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:30:32,283 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:30:32,322 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 11:30:32,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:30:32,497 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-16 11:30:32,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:30:32,498 INFO L85 PathProgramCache]: Analyzing trace with hash 387357162, now seen corresponding path program 1 times [2022-10-16 11:30:32,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:30:32,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741203602] [2022-10-16 11:30:32,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:32,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:30:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:32,693 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 11:30:32,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:30:32,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741203602] [2022-10-16 11:30:32,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741203602] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:30:32,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:30:32,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 11:30:32,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560281841] [2022-10-16 11:30:32,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:30:32,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:30:32,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:30:32,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:30:32,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:30:32,696 INFO L87 Difference]: Start difference. First operand 158 states and 167 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:32,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:30:32,864 INFO L93 Difference]: Finished difference Result 195 states and 206 transitions. [2022-10-16 11:30:32,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 11:30:32,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-10-16 11:30:32,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:30:32,866 INFO L225 Difference]: With dead ends: 195 [2022-10-16 11:30:32,866 INFO L226 Difference]: Without dead ends: 163 [2022-10-16 11:30:32,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:30:32,868 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 133 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 11:30:32,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 65 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 11:30:32,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-10-16 11:30:32,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 158. [2022-10-16 11:30:32,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 122 states have (on average 1.360655737704918) internal successors, (166), 157 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:32,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 166 transitions. [2022-10-16 11:30:32,876 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 166 transitions. Word has length 31 [2022-10-16 11:30:32,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:30:32,877 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 166 transitions. [2022-10-16 11:30:32,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:32,877 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 166 transitions. [2022-10-16 11:30:32,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 11:30:32,878 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:30:32,879 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:30:32,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 11:30:32,879 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-16 11:30:32,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:30:32,880 INFO L85 PathProgramCache]: Analyzing trace with hash -281934377, now seen corresponding path program 1 times [2022-10-16 11:30:32,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:30:32,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107897595] [2022-10-16 11:30:32,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:32,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:30:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:32,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 11:30:32,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:30:32,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107897595] [2022-10-16 11:30:32,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107897595] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:30:32,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:30:32,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:30:32,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21255177] [2022-10-16 11:30:32,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:30:32,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:30:32,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:30:32,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:30:32,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:30:32,957 INFO L87 Difference]: Start difference. First operand 158 states and 166 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:33,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:30:33,106 INFO L93 Difference]: Finished difference Result 163 states and 171 transitions. [2022-10-16 11:30:33,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:30:33,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-10-16 11:30:33,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:30:33,109 INFO L225 Difference]: With dead ends: 163 [2022-10-16 11:30:33,109 INFO L226 Difference]: Without dead ends: 161 [2022-10-16 11:30:33,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:30:33,110 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 21 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:30:33,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 125 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:30:33,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-10-16 11:30:33,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-10-16 11:30:33,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 125 states have (on average 1.352) internal successors, (169), 160 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:33,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 169 transitions. [2022-10-16 11:30:33,118 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 169 transitions. Word has length 38 [2022-10-16 11:30:33,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:30:33,119 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 169 transitions. [2022-10-16 11:30:33,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:33,119 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 169 transitions. [2022-10-16 11:30:33,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 11:30:33,120 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:30:33,121 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:30:33,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 11:30:33,121 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-16 11:30:33,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:30:33,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1074797494, now seen corresponding path program 1 times [2022-10-16 11:30:33,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:30:33,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218845905] [2022-10-16 11:30:33,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:33,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:30:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:33,219 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 11:30:33,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:30:33,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218845905] [2022-10-16 11:30:33,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218845905] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:30:33,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422290351] [2022-10-16 11:30:33,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:33,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:30:33,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:30:33,221 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 11:30:33,234 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 11:30:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:33,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:30:33,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:30:33,333 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 11:30:33,333 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:30:33,388 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 11:30:33,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422290351] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:30:33,388 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:30:33,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-10-16 11:30:33,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90860993] [2022-10-16 11:30:33,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:30:33,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 11:30:33,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:30:33,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 11:30:33,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-10-16 11:30:33,392 INFO L87 Difference]: Start difference. First operand 161 states and 169 transitions. Second operand has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:33,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:30:33,707 INFO L93 Difference]: Finished difference Result 210 states and 254 transitions. [2022-10-16 11:30:33,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 11:30:33,708 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-10-16 11:30:33,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:30:33,709 INFO L225 Difference]: With dead ends: 210 [2022-10-16 11:30:33,710 INFO L226 Difference]: Without dead ends: 193 [2022-10-16 11:30:33,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-10-16 11:30:33,713 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 192 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 11:30:33,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 83 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 11:30:33,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-10-16 11:30:33,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 190. [2022-10-16 11:30:33,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 169 states have (on average 1.2958579881656804) internal successors, (219), 189 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:33,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 219 transitions. [2022-10-16 11:30:33,724 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 219 transitions. Word has length 43 [2022-10-16 11:30:33,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:30:33,724 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 219 transitions. [2022-10-16 11:30:33,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:33,725 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 219 transitions. [2022-10-16 11:30:33,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-16 11:30:33,725 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:30:33,726 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:30:33,767 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 11:30:33,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:30:33,942 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-16 11:30:33,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:30:33,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1041016134, now seen corresponding path program 1 times [2022-10-16 11:30:33,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:30:33,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658613709] [2022-10-16 11:30:33,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:33,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:30:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:34,087 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 11:30:34,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:30:34,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658613709] [2022-10-16 11:30:34,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658613709] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:30:34,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943191548] [2022-10-16 11:30:34,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:34,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:30:34,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:30:34,090 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 11:30:34,100 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 11:30:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:34,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:30:34,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:30:34,208 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 11:30:34,208 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:30:34,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943191548] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:30:34,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 11:30:34,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-10-16 11:30:34,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653847862] [2022-10-16 11:30:34,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:30:34,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:30:34,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:30:34,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:30:34,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 11:30:34,210 INFO L87 Difference]: Start difference. First operand 190 states and 219 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:34,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:30:34,414 INFO L93 Difference]: Finished difference Result 190 states and 219 transitions. [2022-10-16 11:30:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:30:34,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-10-16 11:30:34,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:30:34,416 INFO L225 Difference]: With dead ends: 190 [2022-10-16 11:30:34,417 INFO L226 Difference]: Without dead ends: 173 [2022-10-16 11:30:34,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-10-16 11:30:34,418 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 64 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 11:30:34,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 58 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 11:30:34,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-10-16 11:30:34,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2022-10-16 11:30:34,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 169 states have (on average 1.0946745562130178) internal successors, (185), 172 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:34,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 185 transitions. [2022-10-16 11:30:34,432 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 185 transitions. Word has length 44 [2022-10-16 11:30:34,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:30:34,433 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 185 transitions. [2022-10-16 11:30:34,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:34,434 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 185 transitions. [2022-10-16 11:30:34,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 11:30:34,435 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:30:34,435 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:30:34,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-10-16 11:30:34,650 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,SelfDestructingSolverStorable12 [2022-10-16 11:30:34,651 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-16 11:30:34,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:30:34,652 INFO L85 PathProgramCache]: Analyzing trace with hash 478174709, now seen corresponding path program 1 times [2022-10-16 11:30:34,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:30:34,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354357932] [2022-10-16 11:30:34,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:34,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:30:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:34,765 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 11:30:34,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:30:34,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354357932] [2022-10-16 11:30:34,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354357932] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:30:34,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689339994] [2022-10-16 11:30:34,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:34,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:30:34,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:30:34,767 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 11:30:34,776 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 11:30:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:34,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:30:34,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:30:34,870 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 11:30:34,870 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:30:34,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689339994] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:30:34,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 11:30:34,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 11:30:34,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627151834] [2022-10-16 11:30:34,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:30:34,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 11:30:34,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:30:34,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 11:30:34,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 11:30:34,873 INFO L87 Difference]: Start difference. First operand 173 states and 185 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:35,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:30:35,023 INFO L93 Difference]: Finished difference Result 173 states and 185 transitions. [2022-10-16 11:30:35,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:30:35,024 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-16 11:30:35,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:30:35,025 INFO L225 Difference]: With dead ends: 173 [2022-10-16 11:30:35,025 INFO L226 Difference]: Without dead ends: 172 [2022-10-16 11:30:35,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 11:30:35,026 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 92 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:30:35,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 72 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:30:35,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-10-16 11:30:35,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2022-10-16 11:30:35,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 169 states have (on average 1.0769230769230769) internal successors, (182), 171 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:35,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 182 transitions. [2022-10-16 11:30:35,035 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 182 transitions. Word has length 55 [2022-10-16 11:30:35,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:30:35,036 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 182 transitions. [2022-10-16 11:30:35,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:35,036 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 182 transitions. [2022-10-16 11:30:35,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 11:30:35,037 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:30:35,037 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:30:35,076 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 11:30:35,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-10-16 11:30:35,252 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-16 11:30:35,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:30:35,253 INFO L85 PathProgramCache]: Analyzing trace with hash -2001702782, now seen corresponding path program 1 times [2022-10-16 11:30:35,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:30:35,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113246473] [2022-10-16 11:30:35,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:35,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:30:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:35,682 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 37 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 11:30:35,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:30:35,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113246473] [2022-10-16 11:30:35,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113246473] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:30:35,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608085119] [2022-10-16 11:30:35,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:35,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:30:35,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:30:35,684 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 11:30:35,709 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 11:30:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:35,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 11:30:35,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:30:35,965 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-16 11:30:35,965 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:30:36,126 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-16 11:30:36,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608085119] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:30:36,127 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:30:36,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 13] total 26 [2022-10-16 11:30:36,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398991222] [2022-10-16 11:30:36,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:30:36,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-10-16 11:30:36,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:30:36,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-10-16 11:30:36,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2022-10-16 11:30:36,130 INFO L87 Difference]: Start difference. First operand 172 states and 182 transitions. Second operand has 26 states, 26 states have (on average 3.8461538461538463) internal successors, (100), 26 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:36,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:30:36,751 INFO L93 Difference]: Finished difference Result 339 states and 359 transitions. [2022-10-16 11:30:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 11:30:36,752 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.8461538461538463) internal successors, (100), 26 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 11:30:36,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:30:36,754 INFO L225 Difference]: With dead ends: 339 [2022-10-16 11:30:36,754 INFO L226 Difference]: Without dead ends: 307 [2022-10-16 11:30:36,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 126 SyntacticMatches, 9 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=945, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 11:30:36,758 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 375 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 11:30:36,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 125 Invalid, 896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 11:30:36,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2022-10-16 11:30:36,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 298. [2022-10-16 11:30:36,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 295 states have (on average 1.071186440677966) internal successors, (316), 297 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:36,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 316 transitions. [2022-10-16 11:30:36,773 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 316 transitions. Word has length 72 [2022-10-16 11:30:36,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:30:36,773 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 316 transitions. [2022-10-16 11:30:36,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.8461538461538463) internal successors, (100), 26 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 316 transitions. [2022-10-16 11:30:36,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 11:30:36,775 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:30:36,775 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:30:36,812 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 11:30:36,989 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,SelfDestructingSolverStorable14 [2022-10-16 11:30:36,990 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-16 11:30:36,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:30:36,991 INFO L85 PathProgramCache]: Analyzing trace with hash -673949506, now seen corresponding path program 2 times [2022-10-16 11:30:36,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:30:36,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668930798] [2022-10-16 11:30:36,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:36,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:30:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:37,653 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-10-16 11:30:37,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:30:37,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668930798] [2022-10-16 11:30:37,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668930798] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:30:37,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380660143] [2022-10-16 11:30:37,654 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 11:30:37,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:30:37,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:30:37,655 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 11:30:37,661 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 11:30:37,715 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 11:30:37,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 11:30:37,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:30:37,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:30:37,839 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-10-16 11:30:37,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:30:37,959 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-10-16 11:30:37,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380660143] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:30:37,960 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:30:37,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 4, 4] total 15 [2022-10-16 11:30:37,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979709817] [2022-10-16 11:30:37,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:30:37,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 11:30:37,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:30:37,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 11:30:37,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-10-16 11:30:37,962 INFO L87 Difference]: Start difference. First operand 298 states and 316 transitions. Second operand has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 15 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:39,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:30:39,319 INFO L93 Difference]: Finished difference Result 329 states and 347 transitions. [2022-10-16 11:30:39,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 11:30:39,320 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 15 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 11:30:39,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:30:39,322 INFO L225 Difference]: With dead ends: 329 [2022-10-16 11:30:39,322 INFO L226 Difference]: Without dead ends: 267 [2022-10-16 11:30:39,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 149 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=239, Invalid=951, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 11:30:39,324 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 610 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 11:30:39,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 94 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 11:30:39,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-10-16 11:30:39,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 135. [2022-10-16 11:30:39,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 134 states have (on average 1.0597014925373134) internal successors, (142), 134 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:39,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 142 transitions. [2022-10-16 11:30:39,333 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 142 transitions. Word has length 76 [2022-10-16 11:30:39,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:30:39,334 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 142 transitions. [2022-10-16 11:30:39,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 15 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 142 transitions. [2022-10-16 11:30:39,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 11:30:39,336 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:30:39,336 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:30:39,379 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 11:30:39,549 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,SelfDestructingSolverStorable15 [2022-10-16 11:30:39,549 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-16 11:30:39,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:30:39,550 INFO L85 PathProgramCache]: Analyzing trace with hash -417256959, now seen corresponding path program 1 times [2022-10-16 11:30:39,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:30:39,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183089672] [2022-10-16 11:30:39,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:30:39,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:30:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:30:39,633 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-10-16 11:30:39,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:30:39,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183089672] [2022-10-16 11:30:39,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183089672] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:30:39,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:30:39,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 11:30:39,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409339918] [2022-10-16 11:30:39,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:30:39,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:30:39,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:30:39,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:30:39,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 11:30:39,636 INFO L87 Difference]: Start difference. First operand 135 states and 142 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:39,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:30:39,694 INFO L93 Difference]: Finished difference Result 135 states and 142 transitions. [2022-10-16 11:30:39,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:30:39,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 11:30:39,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:30:39,695 INFO L225 Difference]: With dead ends: 135 [2022-10-16 11:30:39,695 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 11:30:39,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:30:39,697 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 27 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:30:39,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 27 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:30:39,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 11:30:39,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 11:30:39,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:39,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 11:30:39,699 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2022-10-16 11:30:39,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:30:39,699 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 11:30:39,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:30:39,700 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 11:30:39,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 11:30:39,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 40 remaining) [2022-10-16 11:30:39,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 40 remaining) [2022-10-16 11:30:39,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 40 remaining) [2022-10-16 11:30:39,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 40 remaining) [2022-10-16 11:30:39,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 40 remaining) [2022-10-16 11:30:39,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 40 remaining) [2022-10-16 11:30:39,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 40 remaining) [2022-10-16 11:30:39,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 40 remaining) [2022-10-16 11:30:39,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 40 remaining) [2022-10-16 11:30:39,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 40 remaining) [2022-10-16 11:30:39,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 40 remaining) [2022-10-16 11:30:39,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 40 remaining) [2022-10-16 11:30:39,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 40 remaining) [2022-10-16 11:30:39,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 40 remaining) [2022-10-16 11:30:39,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 40 remaining) [2022-10-16 11:30:39,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 40 remaining) [2022-10-16 11:30:39,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 40 remaining) [2022-10-16 11:30:39,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 40 remaining) [2022-10-16 11:30:39,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 40 remaining) [2022-10-16 11:30:39,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 40 remaining) [2022-10-16 11:30:39,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 40 remaining) [2022-10-16 11:30:39,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 40 remaining) [2022-10-16 11:30:39,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 40 remaining) [2022-10-16 11:30:39,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 40 remaining) [2022-10-16 11:30:39,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 40 remaining) [2022-10-16 11:30:39,714 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 40 remaining) [2022-10-16 11:30:39,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 40 remaining) [2022-10-16 11:30:39,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 40 remaining) [2022-10-16 11:30:39,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 40 remaining) [2022-10-16 11:30:39,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 40 remaining) [2022-10-16 11:30:39,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 40 remaining) [2022-10-16 11:30:39,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 40 remaining) [2022-10-16 11:30:39,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 40 remaining) [2022-10-16 11:30:39,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 40 remaining) [2022-10-16 11:30:39,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 40 remaining) [2022-10-16 11:30:39,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 40 remaining) [2022-10-16 11:30:39,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 40 remaining) [2022-10-16 11:30:39,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 40 remaining) [2022-10-16 11:30:39,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 40 remaining) [2022-10-16 11:30:39,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 40 remaining) [2022-10-16 11:30:39,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 11:30:39,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 11:30:40,002 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-10-16 11:30:40,002 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-10-16 11:30:40,002 INFO L899 garLoopResultBuilder]: For program point L19(lines 19 48) no Hoare annotation was computed. [2022-10-16 11:30:40,002 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-10-16 11:30:40,003 INFO L899 garLoopResultBuilder]: For program point L19-1(lines 19 48) no Hoare annotation was computed. [2022-10-16 11:30:40,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-10-16 11:30:40,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-10-16 11:30:40,003 INFO L899 garLoopResultBuilder]: For program point L44-2(lines 44 47) no Hoare annotation was computed. [2022-10-16 11:30:40,003 INFO L899 garLoopResultBuilder]: For program point L44-3(line 44) no Hoare annotation was computed. [2022-10-16 11:30:40,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-10-16 11:30:40,003 INFO L899 garLoopResultBuilder]: For program point L44-4(line 44) no Hoare annotation was computed. [2022-10-16 11:30:40,004 INFO L895 garLoopResultBuilder]: At program point L44-5(lines 44 47) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse1 (< 1 ~SIZE~0)) (.cse2 (= ~SIZE~0 (* 2 (div ~SIZE~0 2)))) (.cse3 (<= ~SIZE~0 2147483647))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 3 ~SIZE~0)) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 .cse3) (and .cse1 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse2 .cse3 (< |ULTIMATE.start_main_~i~0#1| 2147483646)) (and .cse0 .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~i~0#1| 1)))) [2022-10-16 11:30:40,004 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2022-10-16 11:30:40,005 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-10-16 11:30:40,005 INFO L899 garLoopResultBuilder]: For program point L36-2(line 36) no Hoare annotation was computed. [2022-10-16 11:30:40,005 INFO L899 garLoopResultBuilder]: For program point L36-3(line 36) no Hoare annotation was computed. [2022-10-16 11:30:40,005 INFO L899 garLoopResultBuilder]: For program point L36-4(line 36) no Hoare annotation was computed. [2022-10-16 11:30:40,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-10-16 11:30:40,005 INFO L899 garLoopResultBuilder]: For program point L36-5(line 36) no Hoare annotation was computed. [2022-10-16 11:30:40,006 INFO L899 garLoopResultBuilder]: For program point L36-6(line 36) no Hoare annotation was computed. [2022-10-16 11:30:40,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-16 11:30:40,006 INFO L899 garLoopResultBuilder]: For program point L36-7(line 36) no Hoare annotation was computed. [2022-10-16 11:30:40,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-16 11:30:40,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-10-16 11:30:40,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-10-16 11:30:40,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-10-16 11:30:40,007 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-10-16 11:30:40,007 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-10-16 11:30:40,007 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-10-16 11:30:40,007 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-10-16 11:30:40,007 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-10-16 11:30:40,007 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-10-16 11:30:40,007 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-10-16 11:30:40,008 INFO L899 garLoopResultBuilder]: For program point L5(lines 5 7) no Hoare annotation was computed. [2022-10-16 11:30:40,008 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-10-16 11:30:40,008 INFO L899 garLoopResultBuilder]: For program point L38-2(line 38) no Hoare annotation was computed. [2022-10-16 11:30:40,008 INFO L899 garLoopResultBuilder]: For program point L38-3(line 38) no Hoare annotation was computed. [2022-10-16 11:30:40,008 INFO L899 garLoopResultBuilder]: For program point L38-4(line 38) no Hoare annotation was computed. [2022-10-16 11:30:40,008 INFO L899 garLoopResultBuilder]: For program point L38-5(line 38) no Hoare annotation was computed. [2022-10-16 11:30:40,008 INFO L899 garLoopResultBuilder]: For program point L38-6(line 38) no Hoare annotation was computed. [2022-10-16 11:30:40,008 INFO L899 garLoopResultBuilder]: For program point L38-7(lines 38 41) no Hoare annotation was computed. [2022-10-16 11:30:40,008 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-10-16 11:30:40,008 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-10-16 11:30:40,009 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-10-16 11:30:40,009 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-10-16 11:30:40,009 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-10-16 11:30:40,009 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-10-16 11:30:40,009 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-10-16 11:30:40,009 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-10-16 11:30:40,009 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-10-16 11:30:40,009 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-10-16 11:30:40,009 INFO L899 garLoopResultBuilder]: For program point L40-1(line 40) no Hoare annotation was computed. [2022-10-16 11:30:40,009 INFO L899 garLoopResultBuilder]: For program point L40-2(line 40) no Hoare annotation was computed. [2022-10-16 11:30:40,010 INFO L899 garLoopResultBuilder]: For program point L40-3(line 40) no Hoare annotation was computed. [2022-10-16 11:30:40,010 INFO L899 garLoopResultBuilder]: For program point L40-4(line 40) no Hoare annotation was computed. [2022-10-16 11:30:40,010 INFO L899 garLoopResultBuilder]: For program point L40-5(line 40) no Hoare annotation was computed. [2022-10-16 11:30:40,010 INFO L899 garLoopResultBuilder]: For program point L40-6(line 40) no Hoare annotation was computed. [2022-10-16 11:30:40,010 INFO L899 garLoopResultBuilder]: For program point L40-7(line 40) no Hoare annotation was computed. [2022-10-16 11:30:40,010 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-16 11:30:40,010 INFO L899 garLoopResultBuilder]: For program point L32-1(line 32) no Hoare annotation was computed. [2022-10-16 11:30:40,010 INFO L899 garLoopResultBuilder]: For program point L32-2(lines 32 42) no Hoare annotation was computed. [2022-10-16 11:30:40,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-10-16 11:30:40,011 INFO L899 garLoopResultBuilder]: For program point L32-4(lines 32 42) no Hoare annotation was computed. [2022-10-16 11:30:40,011 INFO L899 garLoopResultBuilder]: For program point L32-5(line 32) no Hoare annotation was computed. [2022-10-16 11:30:40,011 INFO L899 garLoopResultBuilder]: For program point L32-6(line 32) no Hoare annotation was computed. [2022-10-16 11:30:40,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-10-16 11:30:40,011 INFO L895 garLoopResultBuilder]: At program point L32-7(lines 32 42) the Hoare annotation is: (let ((.cse1 (= ~SIZE~0 (* 2 (div ~SIZE~0 2)))) (.cse2 (<= ~SIZE~0 2147483647)) (.cse3 (<= 2 ~SIZE~0)) (.cse0 (= |ULTIMATE.start_main_~i~0#1| 1))) (or (and .cse0 .cse1 .cse2 (<= 3 ~SIZE~0)) (and .cse3 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2) (and (<= ~SIZE~0 2) .cse3 .cse0))) [2022-10-16 11:30:40,012 INFO L899 garLoopResultBuilder]: For program point L32-8(lines 32 42) no Hoare annotation was computed. [2022-10-16 11:30:40,012 INFO L899 garLoopResultBuilder]: For program point L24-2(lines 24 27) no Hoare annotation was computed. [2022-10-16 11:30:40,012 INFO L899 garLoopResultBuilder]: For program point L24-3(line 24) no Hoare annotation was computed. [2022-10-16 11:30:40,012 INFO L899 garLoopResultBuilder]: For program point L24-4(line 24) no Hoare annotation was computed. [2022-10-16 11:30:40,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-10-16 11:30:40,012 INFO L895 garLoopResultBuilder]: At program point L24-5(lines 24 27) the Hoare annotation is: (let ((.cse1 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse2 (< 1 ~SIZE~0)) (.cse0 (<= ~SIZE~0 2147483647))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 2 ~SIZE~0) .cse0) (and .cse1 .cse2 .cse0 (<= 3 ~SIZE~0)) (and .cse1 (<= |ULTIMATE.start_main_~i~0#1| 2) .cse2 .cse0))) [2022-10-16 11:30:40,016 INFO L899 garLoopResultBuilder]: For program point L24-6(lines 20 48) no Hoare annotation was computed. [2022-10-16 11:30:40,016 INFO L902 garLoopResultBuilder]: At program point L49(lines 16 50) the Hoare annotation is: true [2022-10-16 11:30:40,016 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-10-16 11:30:40,016 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-10-16 11:30:40,016 INFO L899 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2022-10-16 11:30:40,016 INFO L899 garLoopResultBuilder]: For program point L8-1(line 8) no Hoare annotation was computed. [2022-10-16 11:30:40,016 INFO L899 garLoopResultBuilder]: For program point L8-3(line 8) no Hoare annotation was computed. [2022-10-16 11:30:40,017 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-16 11:30:40,017 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-10-16 11:30:40,017 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-10-16 11:30:40,017 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-10-16 11:30:40,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-10-16 11:30:40,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-10-16 11:30:40,019 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-10-16 11:30:40,019 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2022-10-16 11:30:40,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-10-16 11:30:40,020 INFO L899 garLoopResultBuilder]: For program point L34-2(line 34) no Hoare annotation was computed. [2022-10-16 11:30:40,020 INFO L899 garLoopResultBuilder]: For program point L34-3(line 34) no Hoare annotation was computed. [2022-10-16 11:30:40,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-10-16 11:30:40,020 INFO L899 garLoopResultBuilder]: For program point L34-4(line 34) no Hoare annotation was computed. [2022-10-16 11:30:40,020 INFO L899 garLoopResultBuilder]: For program point L34-5(line 34) no Hoare annotation was computed. [2022-10-16 11:30:40,020 INFO L899 garLoopResultBuilder]: For program point L34-6(line 34) no Hoare annotation was computed. [2022-10-16 11:30:40,020 INFO L899 garLoopResultBuilder]: For program point L34-7(line 34) no Hoare annotation was computed. [2022-10-16 11:30:40,021 INFO L899 garLoopResultBuilder]: For program point L34-8(lines 34 37) no Hoare annotation was computed. [2022-10-16 11:30:40,021 INFO L899 garLoopResultBuilder]: For program point L34-10(lines 34 37) no Hoare annotation was computed. [2022-10-16 11:30:40,021 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-10-16 11:30:40,021 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-10-16 11:30:40,021 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-10-16 11:30:40,021 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-10-16 11:30:40,028 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:30:40,032 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 11:30:40,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:30:40 BoogieIcfgContainer [2022-10-16 11:30:40,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 11:30:40,075 INFO L158 Benchmark]: Toolchain (without parser) took 15616.08ms. Allocated memory was 165.7MB in the beginning and 250.6MB in the end (delta: 84.9MB). Free memory was 139.5MB in the beginning and 91.4MB in the end (delta: 48.1MB). Peak memory consumption was 133.3MB. Max. memory is 8.0GB. [2022-10-16 11:30:40,076 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 165.7MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 11:30:40,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.80ms. Allocated memory is still 165.7MB. Free memory was 139.3MB in the beginning and 128.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-16 11:30:40,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.76ms. Allocated memory is still 165.7MB. Free memory was 128.4MB in the beginning and 126.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 11:30:40,077 INFO L158 Benchmark]: Boogie Preprocessor took 75.10ms. Allocated memory is still 165.7MB. Free memory was 126.6MB in the beginning and 125.3MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 11:30:40,077 INFO L158 Benchmark]: RCFGBuilder took 682.78ms. Allocated memory is still 165.7MB. Free memory was 125.1MB in the beginning and 142.5MB in the end (delta: -17.4MB). Peak memory consumption was 15.0MB. Max. memory is 8.0GB. [2022-10-16 11:30:40,082 INFO L158 Benchmark]: TraceAbstraction took 14490.66ms. Allocated memory was 165.7MB in the beginning and 250.6MB in the end (delta: 84.9MB). Free memory was 142.0MB in the beginning and 91.4MB in the end (delta: 50.6MB). Peak memory consumption was 136.1MB. Max. memory is 8.0GB. [2022-10-16 11:30:40,084 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 165.7MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 294.80ms. Allocated memory is still 165.7MB. Free memory was 139.3MB in the beginning and 128.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.76ms. Allocated memory is still 165.7MB. Free memory was 128.4MB in the beginning and 126.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 75.10ms. Allocated memory is still 165.7MB. Free memory was 126.6MB in the beginning and 125.3MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 682.78ms. Allocated memory is still 165.7MB. Free memory was 125.1MB in the beginning and 142.5MB in the end (delta: -17.4MB). Peak memory consumption was 15.0MB. Max. memory is 8.0GB. * TraceAbstraction took 14490.66ms. Allocated memory was 165.7MB in the beginning and 250.6MB in the end (delta: 84.9MB). Free memory was 142.0MB in the beginning and 91.4MB in the end (delta: 50.6MB). Peak memory consumption was 136.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 102 locations, 40 error locations. Started 1 CEGAR loops. OverallTime: 14.4s, OverallIterations: 17, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2782 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2782 mSDsluCounter, 2034 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1231 mSDsCounter, 417 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5473 IncrementalHoareTripleChecker+Invalid, 5890 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 417 mSolverCounterUnsat, 803 mSDtfsCounter, 5473 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 812 GetRequests, 605 SyntacticMatches, 14 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 961 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred in iteration=15, InterpolantAutomatonStates: 149, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 258 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 19 NumberOfFragments, 161 HoareAnnotationTreeSize, 4 FomulaSimplifications, 136 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 545 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 975 NumberOfCodeBlocks, 891 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1205 ConstructedInterpolants, 0 QuantifiedInterpolants, 3654 SizeOfPredicates, 27 NumberOfNonLiveVariables, 1091 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 35 InterpolantComputations, 10 PerfectInterpolantSequences, 574/772 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 40 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((i == 0 && 2 <= SIZE) && SIZE <= 2147483647) || (((1 <= i && 1 < SIZE) && SIZE <= 2147483647) && 3 <= SIZE)) || (((1 <= i && i <= 2) && 1 < SIZE) && SIZE <= 2147483647) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((i == 1 && SIZE == 2 * (SIZE / 2)) && SIZE <= 2147483647) && 3 <= SIZE) || (((2 <= SIZE && 2 <= i) && SIZE == 2 * (SIZE / 2)) && SIZE <= 2147483647)) || ((SIZE <= 2 && 2 <= SIZE) && i == 1) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: ((((((1 <= i && 1 < SIZE) && SIZE == 2 * (SIZE / 2)) && SIZE <= 2147483647) && 3 <= SIZE) || (((i == 0 && 1 < SIZE) && SIZE == 2 * (SIZE / 2)) && SIZE <= 2147483647)) || ((((1 < SIZE && 2 <= i) && SIZE == 2 * (SIZE / 2)) && SIZE <= 2147483647) && i < 2147483646)) || ((((1 <= i && 1 < SIZE) && SIZE == 2 * (SIZE / 2)) && SIZE <= 2147483647) && i <= 1) RESULT: Ultimate proved your program to be correct! [2022-10-16 11:30:40,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...