/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-fpi/condgf.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 10:25:41,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 10:25:41,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 10:25:41,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 10:25:41,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 10:25:41,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 10:25:41,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 10:25:41,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 10:25:41,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 10:25:41,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 10:25:41,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 10:25:41,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 10:25:41,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 10:25:41,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 10:25:41,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 10:25:41,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 10:25:41,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 10:25:41,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 10:25:41,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 10:25:41,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 10:25:41,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 10:25:41,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 10:25:41,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 10:25:41,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 10:25:41,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 10:25:41,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 10:25:41,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 10:25:41,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 10:25:41,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 10:25:41,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 10:25:41,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 10:25:41,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 10:25:41,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 10:25:41,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 10:25:41,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 10:25:41,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 10:25:41,802 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 10:25:41,832 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 10:25:41,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 10:25:41,833 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 10:25:41,833 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 10:25:41,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 10:25:41,834 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 10:25:41,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 10:25:41,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 10:25:41,836 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 10:25:41,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 10:25:41,836 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 10:25:41,837 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 10:25:41,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 10:25:41,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 10:25:41,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 10:25:41,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 10:25:41,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 10:25:41,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 10:25:41,838 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 10:25:41,838 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 10:25:41,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 10:25:41,839 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 10:25:41,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 10:25:41,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 10:25:41,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 10:25:41,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 10:25:41,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 10:25:41,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 10:25:41,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 10:25:41,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 10:25:41,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 10:25:41,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 10:25:41,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 10:25:41,842 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 10:25:42,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 10:25:42,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 10:25:42,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 10:25:42,315 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 10:25:42,315 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 10:25:42,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/condgf.c [2022-10-16 10:25:42,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29f4de486/627d48b9188c45b291bfec8878e4c7ba/FLAG53f4a590f [2022-10-16 10:25:43,012 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 10:25:43,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/condgf.c [2022-10-16 10:25:43,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29f4de486/627d48b9188c45b291bfec8878e4c7ba/FLAG53f4a590f [2022-10-16 10:25:43,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29f4de486/627d48b9188c45b291bfec8878e4c7ba [2022-10-16 10:25:43,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 10:25:43,362 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 10:25:43,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 10:25:43,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 10:25:43,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 10:25:43,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:25:43" (1/1) ... [2022-10-16 10:25:43,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24551a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:25:43, skipping insertion in model container [2022-10-16 10:25:43,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:25:43" (1/1) ... [2022-10-16 10:25:43,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 10:25:43,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 10:25:43,555 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-fpi/condgf.c[589,602] [2022-10-16 10:25:43,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 10:25:43,592 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 10:25:43,607 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-fpi/condgf.c[589,602] [2022-10-16 10:25:43,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 10:25:43,635 INFO L208 MainTranslator]: Completed translation [2022-10-16 10:25:43,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:25:43 WrapperNode [2022-10-16 10:25:43,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 10:25:43,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 10:25:43,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 10:25:43,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 10:25:43,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:25:43" (1/1) ... [2022-10-16 10:25:43,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:25:43" (1/1) ... [2022-10-16 10:25:43,685 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2022-10-16 10:25:43,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 10:25:43,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 10:25:43,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 10:25:43,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 10:25:43,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:25:43" (1/1) ... [2022-10-16 10:25:43,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:25:43" (1/1) ... [2022-10-16 10:25:43,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:25:43" (1/1) ... [2022-10-16 10:25:43,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:25:43" (1/1) ... [2022-10-16 10:25:43,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:25:43" (1/1) ... [2022-10-16 10:25:43,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:25:43" (1/1) ... [2022-10-16 10:25:43,717 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:25:43" (1/1) ... [2022-10-16 10:25:43,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:25:43" (1/1) ... [2022-10-16 10:25:43,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 10:25:43,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 10:25:43,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 10:25:43,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 10:25:43,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:25:43" (1/1) ... [2022-10-16 10:25:43,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 10:25:43,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:25:43,765 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 10:25:43,771 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 10:25:43,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 10:25:43,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 10:25:43,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 10:25:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 10:25:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 10:25:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 10:25:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 10:25:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 10:25:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 10:25:43,907 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 10:25:43,910 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 10:25:44,265 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 10:25:44,287 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 10:25:44,287 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-16 10:25:44,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:25:44 BoogieIcfgContainer [2022-10-16 10:25:44,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 10:25:44,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 10:25:44,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 10:25:44,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 10:25:44,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:25:43" (1/3) ... [2022-10-16 10:25:44,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec5cb0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:25:44, skipping insertion in model container [2022-10-16 10:25:44,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:25:43" (2/3) ... [2022-10-16 10:25:44,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec5cb0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:25:44, skipping insertion in model container [2022-10-16 10:25:44,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:25:44" (3/3) ... [2022-10-16 10:25:44,319 INFO L112 eAbstractionObserver]: Analyzing ICFG condgf.c [2022-10-16 10:25:44,398 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 10:25:44,399 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-10-16 10:25:44,486 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 10:25:44,506 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;@6d5c6478, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 10:25:44,507 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-10-16 10:25:44,520 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 51 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:25:44,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 10:25:44,536 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:25:44,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:25:44,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:25:44,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:25:44,558 INFO L85 PathProgramCache]: Analyzing trace with hash 177631151, now seen corresponding path program 1 times [2022-10-16 10:25:44,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:25:44,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144851087] [2022-10-16 10:25:44,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:25:44,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:25:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:25:44,850 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 10:25:44,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:25:44,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144851087] [2022-10-16 10:25:44,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144851087] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 10:25:44,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 10:25:44,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 10:25:44,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810038647] [2022-10-16 10:25:44,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 10:25:44,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 10:25:44,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:25:44,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 10:25:44,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 10:25:44,918 INFO L87 Difference]: Start difference. First operand has 52 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 51 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 10:25:44,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:25:44,952 INFO L93 Difference]: Finished difference Result 100 states and 120 transitions. [2022-10-16 10:25:44,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 10:25:44,955 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 10:25:44,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:25:44,965 INFO L225 Difference]: With dead ends: 100 [2022-10-16 10:25:44,967 INFO L226 Difference]: Without dead ends: 47 [2022-10-16 10:25:44,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 10:25:44,977 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 10:25:44,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 10:25:45,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-10-16 10:25:45,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-10-16 10:25:45,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.5454545454545454) internal successors, (51), 46 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:25:45,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2022-10-16 10:25:45,030 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 8 [2022-10-16 10:25:45,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:25:45,031 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2022-10-16 10:25:45,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 10:25:45,032 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2022-10-16 10:25:45,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 10:25:45,032 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:25:45,033 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:25:45,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 10:25:45,034 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:25:45,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:25:45,038 INFO L85 PathProgramCache]: Analyzing trace with hash 179478193, now seen corresponding path program 1 times [2022-10-16 10:25:45,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:25:45,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415719065] [2022-10-16 10:25:45,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:25:45,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:25:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:25:45,212 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 10:25:45,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:25:45,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415719065] [2022-10-16 10:25:45,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415719065] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 10:25:45,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 10:25:45,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 10:25:45,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170410224] [2022-10-16 10:25:45,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 10:25:45,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 10:25:45,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:25:45,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 10:25:45,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 10:25:45,217 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 10:25:45,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:25:45,347 INFO L93 Difference]: Finished difference Result 89 states and 97 transitions. [2022-10-16 10:25:45,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 10:25:45,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 10:25:45,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:25:45,350 INFO L225 Difference]: With dead ends: 89 [2022-10-16 10:25:45,350 INFO L226 Difference]: Without dead ends: 87 [2022-10-16 10:25:45,351 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 10:25:45,353 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 37 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 10:25:45,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 92 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 10:25:45,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-10-16 10:25:45,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 51. [2022-10-16 10:25:45,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 37 states have (on average 1.5135135135135136) internal successors, (56), 50 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:25:45,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2022-10-16 10:25:45,372 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 8 [2022-10-16 10:25:45,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:25:45,372 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2022-10-16 10:25:45,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 10:25:45,373 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2022-10-16 10:25:45,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 10:25:45,373 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:25:45,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:25:45,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 10:25:45,377 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:25:45,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:25:45,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1268805299, now seen corresponding path program 1 times [2022-10-16 10:25:45,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:25:45,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614086358] [2022-10-16 10:25:45,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:25:45,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:25:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:25:45,568 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 10:25:45,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:25:45,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614086358] [2022-10-16 10:25:45,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614086358] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 10:25:45,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 10:25:45,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 10:25:45,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212047289] [2022-10-16 10:25:45,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 10:25:45,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 10:25:45,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:25:45,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 10:25:45,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 10:25:45,572 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:25:45,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:25:45,697 INFO L93 Difference]: Finished difference Result 120 states and 131 transitions. [2022-10-16 10:25:45,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 10:25:45,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2022-10-16 10:25:45,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:25:45,699 INFO L225 Difference]: With dead ends: 120 [2022-10-16 10:25:45,700 INFO L226 Difference]: Without dead ends: 84 [2022-10-16 10:25:45,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 10:25:45,704 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 82 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 10:25:45,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 60 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 10:25:45,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-10-16 10:25:45,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 53. [2022-10-16 10:25:45,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 39 states have (on average 1.4615384615384615) internal successors, (57), 52 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:25:45,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2022-10-16 10:25:45,724 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 9 [2022-10-16 10:25:45,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:25:45,725 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2022-10-16 10:25:45,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:25:45,725 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2022-10-16 10:25:45,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 10:25:45,727 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:25:45,727 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:25:45,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 10:25:45,728 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:25:45,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:25:45,730 INFO L85 PathProgramCache]: Analyzing trace with hash 504169901, now seen corresponding path program 1 times [2022-10-16 10:25:45,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:25:45,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060419668] [2022-10-16 10:25:45,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:25:45,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:25:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:25:45,881 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 10:25:45,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:25:45,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060419668] [2022-10-16 10:25:45,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060419668] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:25:45,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169509331] [2022-10-16 10:25:45,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:25:45,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:25:45,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:25:45,885 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 10:25:45,888 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 10:25:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:25:45,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 10:25:45,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:25:46,042 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 10:25:46,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:25:46,097 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 10:25:46,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169509331] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:25:46,098 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:25:46,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 10:25:46,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336360524] [2022-10-16 10:25:46,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:25:46,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 10:25:46,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:25:46,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 10:25:46,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-16 10:25:46,101 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:25:46,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:25:46,289 INFO L93 Difference]: Finished difference Result 103 states and 113 transitions. [2022-10-16 10:25:46,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 10:25:46,290 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 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 10:25:46,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:25:46,293 INFO L225 Difference]: With dead ends: 103 [2022-10-16 10:25:46,293 INFO L226 Difference]: Without dead ends: 102 [2022-10-16 10:25:46,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 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 10:25:46,296 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 97 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 10:25:46,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 127 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 10:25:46,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2022-10-16 10:25:46,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 64. [2022-10-16 10:25:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 50 states have (on average 1.46) internal successors, (73), 63 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:25:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 73 transitions. [2022-10-16 10:25:46,308 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 73 transitions. Word has length 12 [2022-10-16 10:25:46,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:25:46,309 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 73 transitions. [2022-10-16 10:25:46,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:25:46,309 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2022-10-16 10:25:46,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 10:25:46,310 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:25:46,310 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:25:46,356 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 10:25:46,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:25:46,526 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:25:46,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:25:46,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1550653641, now seen corresponding path program 1 times [2022-10-16 10:25:46,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:25:46,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553296217] [2022-10-16 10:25:46,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:25:46,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:25:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:25:47,197 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 10:25:47,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:25:47,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553296217] [2022-10-16 10:25:47,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553296217] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:25:47,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203009085] [2022-10-16 10:25:47,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:25:47,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:25:47,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:25:47,203 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 10:25:47,230 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 10:25:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:25:47,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-16 10:25:47,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:25:47,372 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-10-16 10:25:47,387 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-16 10:25:47,445 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-10-16 10:25:47,614 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-10-16 10:25:47,632 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 10:25:47,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:25:47,809 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 10:25:47,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203009085] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:25:47,810 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:25:47,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2022-10-16 10:25:47,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593021076] [2022-10-16 10:25:47,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:25:47,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 10:25:47,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:25:47,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 10:25:47,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2022-10-16 10:25:47,813 INFO L87 Difference]: Start difference. First operand 64 states and 73 transitions. Second operand has 14 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 14 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 10:25:48,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:25:48,017 INFO L93 Difference]: Finished difference Result 97 states and 108 transitions. [2022-10-16 10:25:48,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 10:25:48,017 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 14 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 13 [2022-10-16 10:25:48,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:25:48,019 INFO L225 Difference]: With dead ends: 97 [2022-10-16 10:25:48,019 INFO L226 Difference]: Without dead ends: 95 [2022-10-16 10:25:48,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2022-10-16 10:25:48,021 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 78 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 35 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 10:25:48,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 166 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 80 Invalid, 0 Unknown, 35 Unchecked, 0.1s Time] [2022-10-16 10:25:48,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-10-16 10:25:48,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 71. [2022-10-16 10:25:48,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 70 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:25:48,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 80 transitions. [2022-10-16 10:25:48,032 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 80 transitions. Word has length 13 [2022-10-16 10:25:48,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:25:48,032 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 80 transitions. [2022-10-16 10:25:48,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 14 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 10:25:48,033 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2022-10-16 10:25:48,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 10:25:48,034 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:25:48,034 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:25:48,078 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 10:25:48,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:25:48,248 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:25:48,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:25:48,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1550602195, now seen corresponding path program 1 times [2022-10-16 10:25:48,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:25:48,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974310515] [2022-10-16 10:25:48,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:25:48,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:25:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:25:48,366 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 10:25:48,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:25:48,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974310515] [2022-10-16 10:25:48,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974310515] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:25:48,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968407943] [2022-10-16 10:25:48,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:25:48,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:25:48,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:25:48,371 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 10:25:48,402 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 10:25:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:25:48,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 10:25:48,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:25:48,463 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 10:25:48,464 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 10:25:48,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968407943] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 10:25:48,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 10:25:48,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 10:25:48,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99876807] [2022-10-16 10:25:48,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 10:25:48,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 10:25:48,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:25:48,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 10:25:48,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 10:25:48,467 INFO L87 Difference]: Start difference. First operand 71 states and 80 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:25:48,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:25:48,550 INFO L93 Difference]: Finished difference Result 102 states and 112 transitions. [2022-10-16 10:25:48,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 10:25:48,550 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2022-10-16 10:25:48,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:25:48,551 INFO L225 Difference]: With dead ends: 102 [2022-10-16 10:25:48,552 INFO L226 Difference]: Without dead ends: 101 [2022-10-16 10:25:48,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 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 10:25:48,553 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 38 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 10:25:48,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 152 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 10:25:48,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-10-16 10:25:48,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 70. [2022-10-16 10:25:48,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 57 states have (on average 1.3508771929824561) internal successors, (77), 69 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:25:48,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 77 transitions. [2022-10-16 10:25:48,564 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 77 transitions. Word has length 13 [2022-10-16 10:25:48,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:25:48,564 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 77 transitions. [2022-10-16 10:25:48,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:25:48,565 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2022-10-16 10:25:48,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 10:25:48,566 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:25:48,566 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:25:48,605 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 10:25:48,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:25:48,780 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:25:48,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:25:48,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1145690293, now seen corresponding path program 1 times [2022-10-16 10:25:48,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:25:48,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150463380] [2022-10-16 10:25:48,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:25:48,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:25:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:25:48,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 10:25:48,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:25:48,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150463380] [2022-10-16 10:25:48,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150463380] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 10:25:48,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 10:25:48,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 10:25:48,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094057078] [2022-10-16 10:25:48,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 10:25:48,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 10:25:48,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:25:48,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 10:25:48,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 10:25:48,835 INFO L87 Difference]: Start difference. First operand 70 states and 77 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:25:48,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:25:48,910 INFO L93 Difference]: Finished difference Result 101 states and 109 transitions. [2022-10-16 10:25:48,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 10:25:48,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 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 10:25:48,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:25:48,912 INFO L225 Difference]: With dead ends: 101 [2022-10-16 10:25:48,912 INFO L226 Difference]: Without dead ends: 99 [2022-10-16 10:25:48,913 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 10:25:48,917 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 30 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 10:25:48,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 97 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 10:25:48,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-10-16 10:25:48,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 75. [2022-10-16 10:25:48,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 74 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:25:48,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 84 transitions. [2022-10-16 10:25:48,945 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 84 transitions. Word has length 16 [2022-10-16 10:25:48,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:25:48,945 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 84 transitions. [2022-10-16 10:25:48,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:25:48,950 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2022-10-16 10:25:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-16 10:25:48,951 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:25:48,951 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:25:48,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 10:25:48,952 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:25:48,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:25:48,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1155676655, now seen corresponding path program 1 times [2022-10-16 10:25:48,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:25:48,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742899381] [2022-10-16 10:25:48,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:25:48,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:25:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:25:49,523 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 10:25:49,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:25:49,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742899381] [2022-10-16 10:25:49,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742899381] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:25:49,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889159447] [2022-10-16 10:25:49,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:25:49,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:25:49,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:25:49,525 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 10:25:49,535 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 10:25:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:25:49,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-16 10:25:49,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:25:49,633 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-10-16 10:25:49,646 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-16 10:25:49,691 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 10:25:49,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:25:49,814 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-10-16 10:25:49,913 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-10-16 10:25:49,937 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 10:25:49,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:26:08,953 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_132 Int) (|v_ULTIMATE.start_main_~i~0#1_34| Int)) (or (< 0 (let ((.cse0 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~0#1_34| 4) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_132))) (+ 9223372036854775809 (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse0) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (< |v_ULTIMATE.start_main_~i~0#1_34| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))) is different from false [2022-10-16 10:26:14,035 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-10-16 10:26:14,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889159447] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:26:14,035 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:26:14,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 20 [2022-10-16 10:26:14,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114161205] [2022-10-16 10:26:14,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:26:14,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-10-16 10:26:14,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:26:14,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-10-16 10:26:14,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=297, Unknown=8, NotChecked=36, Total=420 [2022-10-16 10:26:14,038 INFO L87 Difference]: Start difference. First operand 75 states and 84 transitions. Second operand has 21 states, 20 states have (on average 2.3) internal successors, (46), 21 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:14,772 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (= 2 (select .cse0 (+ (* |c_ULTIMATE.start_main_~i~0#1| 4) |c_ULTIMATE.start_main_~a~0#1.offset|))) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) 0) (not (= |c_ULTIMATE.start_main_~#sum~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (= |c_ULTIMATE.start_main_~i~0#1| 0) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (forall ((v_ArrVal_132 Int) (|v_ULTIMATE.start_main_~i~0#1_34| Int)) (or (< 0 (let ((.cse1 (store .cse0 (+ (* |v_ULTIMATE.start_main_~i~0#1_34| 4) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_132))) (+ 9223372036854775809 (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse1) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (< |v_ULTIMATE.start_main_~i~0#1_34| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))))) is different from false [2022-10-16 10:26:15,598 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (+ (* |c_ULTIMATE.start_main_~i~0#1| 4) |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (< 0 (+ .cse0 9223372036854775809 (select .cse1 .cse2))) (= .cse0 0) (not (= |c_ULTIMATE.start_main_~#sum~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (not (= .cse2 0)) (<= 0 .cse0) (<= 2 (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|)) (<= 1 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (forall ((v_ArrVal_132 Int) (|v_ULTIMATE.start_main_~i~0#1_34| Int)) (or (< 0 (let ((.cse3 (store .cse1 (+ (* |v_ULTIMATE.start_main_~i~0#1_34| 4) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_132))) (+ 9223372036854775809 (select .cse3 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse3) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))) (< |v_ULTIMATE.start_main_~i~0#1_34| (+ |c_ULTIMATE.start_main_~i~0#1| 1)))) (= (select .cse1 0) 2))) is different from false [2022-10-16 10:26:17,613 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (and (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) 0) (not (= |c_ULTIMATE.start_main_~#sum~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (forall ((|v_ULTIMATE.start_main_~i~0#1_34| Int)) (or (forall ((v_ArrVal_132 Int)) (< 0 (let ((.cse0 (store .cse1 (+ (* |v_ULTIMATE.start_main_~i~0#1_34| 4) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_132))) (+ 9223372036854775809 (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse0) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (not (<= (+ |c_ULTIMATE.start_main_#t~post6#1| 1) |v_ULTIMATE.start_main_~i~0#1_34|)))) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= (select .cse1 0) 2))) is different from false [2022-10-16 10:26:22,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:26:22,069 INFO L93 Difference]: Finished difference Result 146 states and 159 transitions. [2022-10-16 10:26:22,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-16 10:26:22,070 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 2.3) internal successors, (46), 21 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-10-16 10:26:22,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:26:22,071 INFO L225 Difference]: With dead ends: 146 [2022-10-16 10:26:22,072 INFO L226 Difference]: Without dead ends: 144 [2022-10-16 10:26:22,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 31.9s TimeCoverageRelationStatistics Valid=156, Invalid=603, Unknown=13, NotChecked=220, Total=992 [2022-10-16 10:26:22,073 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 143 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 238 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 10:26:22,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 419 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 250 Invalid, 0 Unknown, 238 Unchecked, 0.3s Time] [2022-10-16 10:26:22,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-10-16 10:26:22,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 68. [2022-10-16 10:26:22,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 67 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:22,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2022-10-16 10:26:22,083 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 18 [2022-10-16 10:26:22,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:26:22,083 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2022-10-16 10:26:22,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 2.3) internal successors, (46), 21 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:22,083 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2022-10-16 10:26:22,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 10:26:22,084 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:26:22,084 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:26:22,124 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 10:26:22,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:26:22,300 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:26:22,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:26:22,301 INFO L85 PathProgramCache]: Analyzing trace with hash -845503427, now seen corresponding path program 1 times [2022-10-16 10:26:22,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:26:22,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086655067] [2022-10-16 10:26:22,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:22,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:26:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:22,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:26:22,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:26:22,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086655067] [2022-10-16 10:26:22,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086655067] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:26:22,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7549205] [2022-10-16 10:26:22,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:22,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:26:22,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:26:22,428 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 10:26:22,449 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 10:26:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:22,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 10:26:22,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:26:22,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:26:22,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:26:22,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:26:22,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7549205] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:26:22,648 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:26:22,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2022-10-16 10:26:22,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325618259] [2022-10-16 10:26:22,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:26:22,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 10:26:22,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:26:22,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 10:26:22,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2022-10-16 10:26:22,650 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:22,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:26:22,951 INFO L93 Difference]: Finished difference Result 182 states and 197 transitions. [2022-10-16 10:26:22,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 10:26:22,952 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 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 19 [2022-10-16 10:26:22,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:26:22,954 INFO L225 Difference]: With dead ends: 182 [2022-10-16 10:26:22,954 INFO L226 Difference]: Without dead ends: 146 [2022-10-16 10:26:22,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2022-10-16 10:26:22,956 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 163 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 10:26:22,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 317 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 10:26:22,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-10-16 10:26:22,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 76. [2022-10-16 10:26:22,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 75 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:22,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 83 transitions. [2022-10-16 10:26:22,965 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 83 transitions. Word has length 19 [2022-10-16 10:26:22,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:26:22,966 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 83 transitions. [2022-10-16 10:26:22,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:22,966 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 83 transitions. [2022-10-16 10:26:22,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 10:26:22,967 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:26:22,967 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:26:23,005 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 10:26:23,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:26:23,180 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:26:23,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:26:23,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1589199187, now seen corresponding path program 1 times [2022-10-16 10:26:23,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:26:23,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262764829] [2022-10-16 10:26:23,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:23,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:26:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:23,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:26:23,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:26:23,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262764829] [2022-10-16 10:26:23,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262764829] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:26:23,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361823651] [2022-10-16 10:26:23,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:23,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:26:23,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:26:23,536 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 10:26:23,558 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 10:26:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:23,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-16 10:26:23,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:26:23,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-10-16 10:26:23,644 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-10-16 10:26:23,734 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2022-10-16 10:26:23,817 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-10-16 10:26:23,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:26:23,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:26:23,895 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_182 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| v_ArrVal_182) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 2147483649)) is different from false [2022-10-16 10:26:23,963 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 10:26:23,964 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2022-10-16 10:26:23,973 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 10:26:23,974 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2022-10-16 10:26:23,999 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-10-16 10:26:24,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-10-16 10:26:24,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361823651] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:26:24,018 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:26:24,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 16 [2022-10-16 10:26:24,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338216640] [2022-10-16 10:26:24,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:26:24,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-16 10:26:24,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:26:24,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-16 10:26:24,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=181, Unknown=1, NotChecked=28, Total=272 [2022-10-16 10:26:24,024 INFO L87 Difference]: Start difference. First operand 76 states and 83 transitions. Second operand has 17 states, 16 states have (on average 3.5625) internal successors, (57), 17 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:24,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:26:24,344 INFO L93 Difference]: Finished difference Result 159 states and 171 transitions. [2022-10-16 10:26:24,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 10:26:24,344 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.5625) internal successors, (57), 17 states have internal predecessors, (57), 0 states have call successors, (0), 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 10:26:24,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:26:24,346 INFO L225 Difference]: With dead ends: 159 [2022-10-16 10:26:24,346 INFO L226 Difference]: Without dead ends: 157 [2022-10-16 10:26:24,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=415, Unknown=1, NotChecked=44, Total=600 [2022-10-16 10:26:24,347 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 266 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 75 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 10:26:24,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 264 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 159 Invalid, 0 Unknown, 75 Unchecked, 0.2s Time] [2022-10-16 10:26:24,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-10-16 10:26:24,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 79. [2022-10-16 10:26:24,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 78 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:24,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2022-10-16 10:26:24,357 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 22 [2022-10-16 10:26:24,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:26:24,358 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2022-10-16 10:26:24,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.5625) internal successors, (57), 17 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:24,358 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2022-10-16 10:26:24,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 10:26:24,359 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:26:24,359 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:26:24,402 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 10:26:24,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:26:24,572 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:26:24,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:26:24,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1589199379, now seen corresponding path program 1 times [2022-10-16 10:26:24,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:26:24,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506789514] [2022-10-16 10:26:24,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:24,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:26:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:24,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:26:24,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:26:24,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506789514] [2022-10-16 10:26:24,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506789514] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:26:24,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452462418] [2022-10-16 10:26:24,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:24,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:26:24,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:26:24,867 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 10:26:24,888 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 10:26:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:24,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-16 10:26:24,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:26:24,936 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-10-16 10:26:24,953 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-10-16 10:26:25,020 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2022-10-16 10:26:25,082 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-10-16 10:26:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:26:25,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:26:25,144 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_209 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| v_ArrVal_209) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 2147483647)) is different from false [2022-10-16 10:26:25,175 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 10:26:25,175 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2022-10-16 10:26:25,183 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 10:26:25,183 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2022-10-16 10:26:25,198 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-10-16 10:26:25,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-10-16 10:26:25,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452462418] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:26:25,214 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:26:25,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 16 [2022-10-16 10:26:25,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206657008] [2022-10-16 10:26:25,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:26:25,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-16 10:26:25,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:26:25,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-16 10:26:25,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=181, Unknown=1, NotChecked=28, Total=272 [2022-10-16 10:26:25,216 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand has 17 states, 16 states have (on average 3.5625) internal successors, (57), 17 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:25,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:26:25,530 INFO L93 Difference]: Finished difference Result 120 states and 130 transitions. [2022-10-16 10:26:25,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 10:26:25,531 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.5625) internal successors, (57), 17 states have internal predecessors, (57), 0 states have call successors, (0), 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 10:26:25,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:26:25,532 INFO L225 Difference]: With dead ends: 120 [2022-10-16 10:26:25,532 INFO L226 Difference]: Without dead ends: 118 [2022-10-16 10:26:25,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=347, Unknown=1, NotChecked=40, Total=506 [2022-10-16 10:26:25,534 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 142 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 57 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 10:26:25,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 373 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 239 Invalid, 0 Unknown, 57 Unchecked, 0.2s Time] [2022-10-16 10:26:25,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-10-16 10:26:25,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 81. [2022-10-16 10:26:25,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 80 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:25,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 89 transitions. [2022-10-16 10:26:25,544 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 89 transitions. Word has length 22 [2022-10-16 10:26:25,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:26:25,544 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 89 transitions. [2022-10-16 10:26:25,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.5625) internal successors, (57), 17 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:25,545 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2022-10-16 10:26:25,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-16 10:26:25,546 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:26:25,546 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:26:25,590 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 10:26:25,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:26:25,759 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:26:25,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:26:25,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1489192897, now seen corresponding path program 2 times [2022-10-16 10:26:25,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:26:25,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332135183] [2022-10-16 10:26:25,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:25,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:26:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:26,683 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:26:26,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:26:26,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332135183] [2022-10-16 10:26:26,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332135183] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:26:26,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073073971] [2022-10-16 10:26:26,684 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 10:26:26,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:26:26,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:26:26,688 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 10:26:26,709 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 10:26:26,754 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 10:26:26,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 10:26:26,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 37 conjunts are in the unsatisfiable core [2022-10-16 10:26:26,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:26:26,776 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-16 10:26:26,782 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-10-16 10:26:26,825 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 10:26:26,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:26:26,964 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-10-16 10:26:27,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 10:26:27,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:26:27,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2022-10-16 10:26:27,432 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2022-10-16 10:26:27,461 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:26:27,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:26:28,611 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:26:28,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073073971] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:26:28,611 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:26:28,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 35 [2022-10-16 10:26:28,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777900145] [2022-10-16 10:26:28,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:26:28,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-10-16 10:26:28,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:26:28,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-10-16 10:26:28,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1070, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 10:26:28,614 INFO L87 Difference]: Start difference. First operand 81 states and 89 transitions. Second operand has 36 states, 35 states have (on average 1.7428571428571429) internal successors, (61), 36 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:30,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:26:30,487 INFO L93 Difference]: Finished difference Result 125 states and 138 transitions. [2022-10-16 10:26:30,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-16 10:26:30,488 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 1.7428571428571429) internal successors, (61), 36 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-10-16 10:26:30,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:26:30,489 INFO L225 Difference]: With dead ends: 125 [2022-10-16 10:26:30,489 INFO L226 Difference]: Without dead ends: 124 [2022-10-16 10:26:30,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=444, Invalid=2418, Unknown=0, NotChecked=0, Total=2862 [2022-10-16 10:26:30,493 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 162 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 297 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 10:26:30,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 495 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 424 Invalid, 0 Unknown, 297 Unchecked, 0.4s Time] [2022-10-16 10:26:30,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-10-16 10:26:30,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 92. [2022-10-16 10:26:30,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 79 states have (on average 1.2911392405063291) internal successors, (102), 91 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:30,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 102 transitions. [2022-10-16 10:26:30,503 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 102 transitions. Word has length 23 [2022-10-16 10:26:30,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:26:30,503 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 102 transitions. [2022-10-16 10:26:30,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 1.7428571428571429) internal successors, (61), 36 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:30,504 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2022-10-16 10:26:30,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 10:26:30,505 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:26:30,505 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:26:30,537 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 10:26:30,718 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,SelfDestructingSolverStorable11 [2022-10-16 10:26:30,719 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:26:30,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:26:30,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1079660375, now seen corresponding path program 1 times [2022-10-16 10:26:30,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:26:30,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954033764] [2022-10-16 10:26:30,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:30,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:26:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:31,158 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:26:31,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:26:31,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954033764] [2022-10-16 10:26:31,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954033764] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:26:31,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342493200] [2022-10-16 10:26:31,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:31,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:26:31,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:26:31,160 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 10:26:31,177 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 10:26:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:31,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-16 10:26:31,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:26:31,228 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-10-16 10:26:31,257 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-10-16 10:26:31,428 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 10:26:31,615 INFO L356 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-10-16 10:26:31,615 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 18 [2022-10-16 10:26:31,642 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:26:31,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:26:32,767 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_277 Int) (|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (or (< 0 (+ v_ArrVal_277 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_277)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ (* |c_ULTIMATE.start_main_~i~0#1| 4) |c_ULTIMATE.start_main_~a~0#1.offset| 4)) 9223372036854775809)) (< (+ v_ArrVal_277 9223372036854775808) 0))) is different from false [2022-10-16 10:26:33,827 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_277 Int) (|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (or (< 0 (+ v_ArrVal_277 9223372036854775809 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_277)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)))) (< (+ v_ArrVal_277 9223372036854775808) 0))) is different from false [2022-10-16 10:26:33,889 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 84 [2022-10-16 10:26:33,967 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 8 not checked. [2022-10-16 10:26:33,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342493200] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:26:33,967 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:26:33,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 23 [2022-10-16 10:26:33,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207369147] [2022-10-16 10:26:33,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:26:33,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-16 10:26:33,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:26:33,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-16 10:26:33,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=398, Unknown=2, NotChecked=82, Total=552 [2022-10-16 10:26:33,970 INFO L87 Difference]: Start difference. First operand 92 states and 102 transitions. Second operand has 24 states, 23 states have (on average 2.347826086956522) internal successors, (54), 24 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:34,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:26:34,616 INFO L93 Difference]: Finished difference Result 153 states and 168 transitions. [2022-10-16 10:26:34,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 10:26:34,617 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.347826086956522) internal successors, (54), 24 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-10-16 10:26:34,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:26:34,618 INFO L225 Difference]: With dead ends: 153 [2022-10-16 10:26:34,618 INFO L226 Difference]: Without dead ends: 152 [2022-10-16 10:26:34,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 33 SyntacticMatches, 7 SemanticMatches, 28 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=126, Invalid=636, Unknown=2, NotChecked=106, Total=870 [2022-10-16 10:26:34,620 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 131 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 217 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 10:26:34,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 672 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 558 Invalid, 0 Unknown, 217 Unchecked, 0.4s Time] [2022-10-16 10:26:34,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-10-16 10:26:34,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 95. [2022-10-16 10:26:34,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 82 states have (on average 1.3048780487804879) internal successors, (107), 94 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:34,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 107 transitions. [2022-10-16 10:26:34,631 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 107 transitions. Word has length 24 [2022-10-16 10:26:34,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:26:34,632 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 107 transitions. [2022-10-16 10:26:34,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.347826086956522) internal successors, (54), 24 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:34,632 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 107 transitions. [2022-10-16 10:26:34,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 10:26:34,633 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:26:34,633 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2022-10-16 10:26:34,666 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 10:26:34,847 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,SelfDestructingSolverStorable12 [2022-10-16 10:26:34,848 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:26:34,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:26:34,848 INFO L85 PathProgramCache]: Analyzing trace with hash -897513823, now seen corresponding path program 2 times [2022-10-16 10:26:34,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:26:34,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492214017] [2022-10-16 10:26:34,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:34,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:26:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:35,008 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 10:26:35,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:26:35,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492214017] [2022-10-16 10:26:35,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492214017] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:26:35,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981187623] [2022-10-16 10:26:35,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 10:26:35,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:26:35,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:26:35,011 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 10:26:35,015 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 10:26:35,067 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 10:26:35,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 10:26:35,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 10:26:35,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:26:35,123 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 10:26:35,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:26:35,173 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 10:26:35,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981187623] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:26:35,173 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:26:35,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2022-10-16 10:26:35,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355401322] [2022-10-16 10:26:35,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:26:35,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 10:26:35,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:26:35,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 10:26:35,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-10-16 10:26:35,175 INFO L87 Difference]: Start difference. First operand 95 states and 107 transitions. Second operand has 15 states, 14 states have (on average 2.5) internal successors, (35), 15 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:35,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:26:35,450 INFO L93 Difference]: Finished difference Result 115 states and 129 transitions. [2022-10-16 10:26:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 10:26:35,451 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.5) internal successors, (35), 15 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-10-16 10:26:35,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:26:35,452 INFO L225 Difference]: With dead ends: 115 [2022-10-16 10:26:35,452 INFO L226 Difference]: Without dead ends: 114 [2022-10-16 10:26:35,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=207, Invalid=495, Unknown=0, NotChecked=0, Total=702 [2022-10-16 10:26:35,454 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 257 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 10:26:35,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 111 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 10:26:35,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-10-16 10:26:35,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 94. [2022-10-16 10:26:35,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 82 states have (on average 1.2926829268292683) internal successors, (106), 93 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 10:26:35,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 106 transitions. [2022-10-16 10:26:35,465 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 106 transitions. Word has length 24 [2022-10-16 10:26:35,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:26:35,466 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 106 transitions. [2022-10-16 10:26:35,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.5) internal successors, (35), 15 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:35,466 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2022-10-16 10:26:35,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 10:26:35,467 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:26:35,467 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:26:35,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-10-16 10:26:35,680 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,SelfDestructingSolverStorable13 [2022-10-16 10:26:35,680 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:26:35,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:26:35,681 INFO L85 PathProgramCache]: Analyzing trace with hash 408574674, now seen corresponding path program 1 times [2022-10-16 10:26:35,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:26:35,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643078019] [2022-10-16 10:26:35,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:35,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:26:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:35,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 10:26:35,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:26:35,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643078019] [2022-10-16 10:26:35,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643078019] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 10:26:35,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 10:26:35,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 10:26:35,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123124473] [2022-10-16 10:26:35,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 10:26:35,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 10:26:35,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:26:35,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 10:26:35,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 10:26:35,732 INFO L87 Difference]: Start difference. First operand 94 states and 106 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:35,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:26:35,792 INFO L93 Difference]: Finished difference Result 107 states and 119 transitions. [2022-10-16 10:26:35,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 10:26:35,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 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 25 [2022-10-16 10:26:35,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:26:35,794 INFO L225 Difference]: With dead ends: 107 [2022-10-16 10:26:35,794 INFO L226 Difference]: Without dead ends: 105 [2022-10-16 10:26:35,794 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 10:26:35,795 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 21 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 10:26:35,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 92 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 10:26:35,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-10-16 10:26:35,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 97. [2022-10-16 10:26:35,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 85 states have (on average 1.2823529411764707) internal successors, (109), 96 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:35,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2022-10-16 10:26:35,807 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 25 [2022-10-16 10:26:35,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:26:35,807 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2022-10-16 10:26:35,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:35,807 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2022-10-16 10:26:35,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 10:26:35,808 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:26:35,808 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:26:35,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 10:26:35,809 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:26:35,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:26:35,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1828467691, now seen corresponding path program 1 times [2022-10-16 10:26:35,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:26:35,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499357061] [2022-10-16 10:26:35,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:35,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:26:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:35,875 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 10:26:35,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:26:35,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499357061] [2022-10-16 10:26:35,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499357061] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:26:35,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826267861] [2022-10-16 10:26:35,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:35,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:26:35,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:26:35,878 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 10:26:35,905 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 10:26:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:35,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 10:26:35,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:26:35,977 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 10:26:35,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:26:36,023 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 10:26:36,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826267861] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:26:36,024 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:26:36,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 10:26:36,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895454469] [2022-10-16 10:26:36,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:26:36,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 10:26:36,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:26:36,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 10:26:36,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-16 10:26:36,026 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:36,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:26:36,195 INFO L93 Difference]: Finished difference Result 132 states and 147 transitions. [2022-10-16 10:26:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 10:26:36,195 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 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 26 [2022-10-16 10:26:36,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:26:36,196 INFO L225 Difference]: With dead ends: 132 [2022-10-16 10:26:36,196 INFO L226 Difference]: Without dead ends: 131 [2022-10-16 10:26:36,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 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 10:26:36,198 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 47 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 10:26:36,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 208 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 10:26:36,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-10-16 10:26:36,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 111. [2022-10-16 10:26:36,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 99 states have (on average 1.3232323232323233) internal successors, (131), 110 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:36,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions. [2022-10-16 10:26:36,210 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 26 [2022-10-16 10:26:36,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:26:36,210 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 131 transitions. [2022-10-16 10:26:36,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:36,210 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2022-10-16 10:26:36,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 10:26:36,211 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:26:36,211 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:26:36,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-10-16 10:26:36,427 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 10:26:36,428 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:26:36,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:26:36,429 INFO L85 PathProgramCache]: Analyzing trace with hash 847923653, now seen corresponding path program 1 times [2022-10-16 10:26:36,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:26:36,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339442618] [2022-10-16 10:26:36,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:36,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:26:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 10:26:36,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:26:36,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339442618] [2022-10-16 10:26:36,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339442618] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:26:36,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207322232] [2022-10-16 10:26:36,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:36,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:26:36,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:26:36,499 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 10:26:36,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 10:26:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:36,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 10:26:36,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:26:36,602 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 10:26:36,603 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 10:26:36,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207322232] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 10:26:36,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 10:26:36,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 10:26:36,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925533111] [2022-10-16 10:26:36,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 10:26:36,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 10:26:36,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:26:36,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 10:26:36,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 10:26:36,605 INFO L87 Difference]: Start difference. First operand 111 states and 131 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 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 10:26:36,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:26:36,697 INFO L93 Difference]: Finished difference Result 119 states and 139 transitions. [2022-10-16 10:26:36,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 10:26:36,697 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 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 27 [2022-10-16 10:26:36,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:26:36,699 INFO L225 Difference]: With dead ends: 119 [2022-10-16 10:26:36,699 INFO L226 Difference]: Without dead ends: 118 [2022-10-16 10:26:36,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 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 10:26:36,701 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 29 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 10:26:36,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 105 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 10:26:36,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-10-16 10:26:36,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 110. [2022-10-16 10:26:36,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 99 states have (on average 1.292929292929293) internal successors, (128), 109 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:36,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 128 transitions. [2022-10-16 10:26:36,714 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 128 transitions. Word has length 27 [2022-10-16 10:26:36,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:26:36,715 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 128 transitions. [2022-10-16 10:26:36,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 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 10:26:36,715 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions. [2022-10-16 10:26:36,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-16 10:26:36,718 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:26:36,718 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 10:26:36,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 10:26:36,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-10-16 10:26:36,932 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:26:36,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:26:36,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1533049921, now seen corresponding path program 1 times [2022-10-16 10:26:36,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:26:36,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957746171] [2022-10-16 10:26:36,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:36,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:26:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:37,069 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 10:26:37,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:26:37,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957746171] [2022-10-16 10:26:37,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957746171] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:26:37,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76125518] [2022-10-16 10:26:37,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:37,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:26:37,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:26:37,073 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 10:26:37,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 10:26:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:37,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 10:26:37,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:26:37,251 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 10:26:37,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:26:37,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 10:26:37,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76125518] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:26:37,332 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:26:37,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2022-10-16 10:26:37,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775764468] [2022-10-16 10:26:37,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:26:37,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 10:26:37,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:26:37,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 10:26:37,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2022-10-16 10:26:37,334 INFO L87 Difference]: Start difference. First operand 110 states and 128 transitions. Second operand has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:37,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:26:37,585 INFO L93 Difference]: Finished difference Result 170 states and 192 transitions. [2022-10-16 10:26:37,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 10:26:37,586 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-10-16 10:26:37,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:26:37,587 INFO L225 Difference]: With dead ends: 170 [2022-10-16 10:26:37,587 INFO L226 Difference]: Without dead ends: 146 [2022-10-16 10:26:37,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 46 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2022-10-16 10:26:37,589 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 128 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 10:26:37,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 282 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 10:26:37,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-10-16 10:26:37,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 121. [2022-10-16 10:26:37,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 110 states have (on average 1.2727272727272727) internal successors, (140), 120 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:37,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 140 transitions. [2022-10-16 10:26:37,604 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 140 transitions. Word has length 29 [2022-10-16 10:26:37,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:26:37,604 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 140 transitions. [2022-10-16 10:26:37,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:37,605 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 140 transitions. [2022-10-16 10:26:37,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-16 10:26:37,605 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:26:37,606 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:26:37,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-10-16 10:26:37,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 10:26:37,820 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:26:37,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:26:37,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1189153465, now seen corresponding path program 3 times [2022-10-16 10:26:37,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:26:37,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884239565] [2022-10-16 10:26:37,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:37,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:26:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:37,991 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:26:37,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:26:37,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884239565] [2022-10-16 10:26:37,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884239565] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:26:37,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728355820] [2022-10-16 10:26:37,993 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 10:26:37,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:26:37,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:26:37,994 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 10:26:38,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 10:26:38,067 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-10-16 10:26:38,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 10:26:38,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 10:26:38,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:26:38,218 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:26:38,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:26:38,352 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:26:38,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728355820] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:26:38,353 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:26:38,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 22 [2022-10-16 10:26:38,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131263586] [2022-10-16 10:26:38,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:26:38,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 10:26:38,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:26:38,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 10:26:38,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2022-10-16 10:26:38,355 INFO L87 Difference]: Start difference. First operand 121 states and 140 transitions. Second operand has 22 states, 22 states have (on average 2.5) internal successors, (55), 22 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 10:26:38,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:26:38,763 INFO L93 Difference]: Finished difference Result 248 states and 282 transitions. [2022-10-16 10:26:38,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 10:26:38,763 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.5) internal successors, (55), 22 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 29 [2022-10-16 10:26:38,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:26:38,765 INFO L225 Difference]: With dead ends: 248 [2022-10-16 10:26:38,765 INFO L226 Difference]: Without dead ends: 195 [2022-10-16 10:26:38,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 40 SyntacticMatches, 9 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=213, Invalid=909, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 10:26:38,767 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 285 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 10:26:38,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 326 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 10:26:38,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-10-16 10:26:38,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 135. [2022-10-16 10:26:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 124 states have (on average 1.25) internal successors, (155), 134 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 10:26:38,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 155 transitions. [2022-10-16 10:26:38,782 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 155 transitions. Word has length 29 [2022-10-16 10:26:38,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:26:38,782 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 155 transitions. [2022-10-16 10:26:38,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.5) internal successors, (55), 22 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 10:26:38,783 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 155 transitions. [2022-10-16 10:26:38,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-16 10:26:38,783 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:26:38,784 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:26:38,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-10-16 10:26:38,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:26:38,998 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:26:38,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:26:39,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1012294985, now seen corresponding path program 1 times [2022-10-16 10:26:39,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:26:39,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539730141] [2022-10-16 10:26:39,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:39,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:26:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:39,050 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 10:26:39,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:26:39,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539730141] [2022-10-16 10:26:39,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539730141] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 10:26:39,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 10:26:39,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 10:26:39,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046381343] [2022-10-16 10:26:39,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 10:26:39,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 10:26:39,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:26:39,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 10:26:39,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 10:26:39,053 INFO L87 Difference]: Start difference. First operand 135 states and 155 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:39,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:26:39,115 INFO L93 Difference]: Finished difference Result 143 states and 163 transitions. [2022-10-16 10:26:39,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 10:26:39,115 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2022-10-16 10:26:39,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:26:39,116 INFO L225 Difference]: With dead ends: 143 [2022-10-16 10:26:39,116 INFO L226 Difference]: Without dead ends: 141 [2022-10-16 10:26:39,117 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 10:26:39,117 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 20 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 10:26:39,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 89 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 10:26:39,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-10-16 10:26:39,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2022-10-16 10:26:39,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 130 states have (on average 1.2384615384615385) internal successors, (161), 140 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:39,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 161 transitions. [2022-10-16 10:26:39,133 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 161 transitions. Word has length 33 [2022-10-16 10:26:39,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:26:39,133 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 161 transitions. [2022-10-16 10:26:39,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:39,134 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 161 transitions. [2022-10-16 10:26:39,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-16 10:26:39,134 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:26:39,134 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:26:39,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 10:26:39,135 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:26:39,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:26:39,135 INFO L85 PathProgramCache]: Analyzing trace with hash 2017823429, now seen corresponding path program 2 times [2022-10-16 10:26:39,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:26:39,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133900541] [2022-10-16 10:26:39,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:39,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:26:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:39,257 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 10:26:39,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:26:39,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133900541] [2022-10-16 10:26:39,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133900541] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:26:39,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173512491] [2022-10-16 10:26:39,258 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 10:26:39,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:26:39,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:26:39,260 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 10:26:39,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-10-16 10:26:39,341 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 10:26:39,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 10:26:39,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 10:26:39,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:26:39,436 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 10:26:39,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:26:39,518 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 10:26:39,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173512491] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:26:39,518 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:26:39,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2022-10-16 10:26:39,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107008995] [2022-10-16 10:26:39,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:26:39,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 10:26:39,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:26:39,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 10:26:39,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2022-10-16 10:26:39,520 INFO L87 Difference]: Start difference. First operand 141 states and 161 transitions. Second operand has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:39,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:26:39,902 INFO L93 Difference]: Finished difference Result 197 states and 219 transitions. [2022-10-16 10:26:39,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 10:26:39,903 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-10-16 10:26:39,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:26:39,904 INFO L225 Difference]: With dead ends: 197 [2022-10-16 10:26:39,904 INFO L226 Difference]: Without dead ends: 157 [2022-10-16 10:26:39,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 54 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=432, Unknown=0, NotChecked=0, Total=552 [2022-10-16 10:26:39,906 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 178 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 10:26:39,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 371 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 10:26:39,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-10-16 10:26:39,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 141. [2022-10-16 10:26:39,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 130 states have (on average 1.2153846153846153) internal successors, (158), 140 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:39,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 158 transitions. [2022-10-16 10:26:39,926 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 158 transitions. Word has length 33 [2022-10-16 10:26:39,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:26:39,926 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 158 transitions. [2022-10-16 10:26:39,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:26:39,927 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 158 transitions. [2022-10-16 10:26:39,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-16 10:26:39,928 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:26:39,928 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:26:39,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-10-16 10:26:40,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:26:40,142 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:26:40,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:26:40,143 INFO L85 PathProgramCache]: Analyzing trace with hash -704379957, now seen corresponding path program 4 times [2022-10-16 10:26:40,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:26:40,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437559316] [2022-10-16 10:26:40,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:26:40,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:26:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:26:41,920 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:26:41,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:26:41,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437559316] [2022-10-16 10:26:41,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437559316] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:26:41,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516399662] [2022-10-16 10:26:41,921 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-10-16 10:26:41,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:26:41,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:26:41,922 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 10:26:41,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-10-16 10:26:41,999 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-10-16 10:26:42,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 10:26:42,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 49 conjunts are in the unsatisfiable core [2022-10-16 10:26:42,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:26:42,016 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-16 10:26:42,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:26:42,063 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 10:26:42,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:26:42,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:26:42,224 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-10-16 10:26:42,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:26:42,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:26:42,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:26:42,452 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-10-16 10:26:42,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:26:42,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 10:26:42,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:26:42,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:26:42,822 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 54 [2022-10-16 10:26:43,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:26:43,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:26:43,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:26:43,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:26:43,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 10:26:43,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:26:43,278 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 52 [2022-10-16 10:26:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:26:43,614 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 21 [2022-10-16 10:26:43,670 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:26:43,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:26:50,707 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:26:50,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516399662] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:26:50,707 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:26:50,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 56 [2022-10-16 10:26:50,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105710508] [2022-10-16 10:26:50,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:26:50,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-10-16 10:26:50,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:26:50,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-10-16 10:26:50,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=2848, Unknown=0, NotChecked=0, Total=3192 [2022-10-16 10:26:50,711 INFO L87 Difference]: Start difference. First operand 141 states and 158 transitions. Second operand has 57 states, 56 states have (on average 1.625) internal successors, (91), 57 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:27:07,816 WARN L233 SmtUtils]: Spent 12.36s on a formula simplification. DAG size of input: 211 DAG size of output: 146 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-16 10:27:35,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:27:35,146 INFO L93 Difference]: Finished difference Result 196 states and 220 transitions. [2022-10-16 10:27:35,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-10-16 10:27:35,147 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 56 states have (on average 1.625) internal successors, (91), 57 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-10-16 10:27:35,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:27:35,148 INFO L225 Difference]: With dead ends: 196 [2022-10-16 10:27:35,148 INFO L226 Difference]: Without dead ends: 195 [2022-10-16 10:27:35,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 34 SyntacticMatches, 3 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1839 ImplicationChecksByTransitivity, 51.6s TimeCoverageRelationStatistics Valid=1033, Invalid=7892, Unknown=5, NotChecked=0, Total=8930 [2022-10-16 10:27:35,152 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 241 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 1937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1165 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 10:27:35,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 680 Invalid, 1937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 737 Invalid, 0 Unknown, 1165 Unchecked, 0.7s Time] [2022-10-16 10:27:35,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-10-16 10:27:35,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 164. [2022-10-16 10:27:35,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.2091503267973855) internal successors, (185), 163 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 10:27:35,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 185 transitions. [2022-10-16 10:27:35,172 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 185 transitions. Word has length 33 [2022-10-16 10:27:35,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:27:35,172 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 185 transitions. [2022-10-16 10:27:35,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 56 states have (on average 1.625) internal successors, (91), 57 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:27:35,173 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 185 transitions. [2022-10-16 10:27:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 10:27:35,173 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:27:35,174 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:27:35,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-10-16 10:27:35,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-10-16 10:27:35,375 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:27:35,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:27:35,376 INFO L85 PathProgramCache]: Analyzing trace with hash -360942113, now seen corresponding path program 2 times [2022-10-16 10:27:35,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:27:35,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492896376] [2022-10-16 10:27:35,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:27:35,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:27:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:27:36,258 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:27:36,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:27:36,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492896376] [2022-10-16 10:27:36,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492896376] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:27:36,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499318438] [2022-10-16 10:27:36,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 10:27:36,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:27:36,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:27:36,260 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 10:27:36,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-10-16 10:27:36,334 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 10:27:36,335 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 10:27:36,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-16 10:27:36,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:27:36,354 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-10-16 10:27:36,524 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-10-16 10:27:36,630 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-10-16 10:27:36,760 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-16 10:27:36,928 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 15 [2022-10-16 10:27:36,969 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:27:36,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:27:38,879 WARN L833 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int) (v_ArrVal_568 Int)) (or (< 0 (+ v_ArrVal_568 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_568)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ (* |c_ULTIMATE.start_main_~i~0#1| 4) |c_ULTIMATE.start_main_~a~0#1.offset| 4)) 9223372036854775809)) (< (+ v_ArrVal_568 9223372036854775808) 0))) is different from false [2022-10-16 10:27:45,379 WARN L833 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int) (v_ArrVal_568 Int)) (or (< 0 (+ v_ArrVal_568 9223372036854775809 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_568)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ (* |c_ULTIMATE.start_main_~i~0#1| 4) 8 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (< (+ v_ArrVal_568 9223372036854775808) 0))) is different from false [2022-10-16 10:27:45,394 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 10:27:45,395 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2022-10-16 10:27:45,410 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_3 (Array Int Int)) (|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (let ((.cse0 (select v_arrayElimArr_3 |ULTIMATE.start_main_~#sum~0#1.offset|))) (or (< 0 (+ 9223372036854775809 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| v_arrayElimArr_3) |c_ULTIMATE.start_main_~a~0#1.base|) (+ (* |c_ULTIMATE.start_main_~i~0#1| 4) 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse0)) (< (+ 9223372036854775808 .cse0) 0)))) is different from false [2022-10-16 10:27:45,438 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_3 (Array Int Int)) (|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (let ((.cse0 (select v_arrayElimArr_3 |ULTIMATE.start_main_~#sum~0#1.offset|))) (or (< 0 (+ 9223372036854775809 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| v_arrayElimArr_3) |c_ULTIMATE.start_main_~a~0#1.base|) (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) .cse0)) (< (+ 9223372036854775808 .cse0) 0)))) is different from false [2022-10-16 10:27:45,484 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 10:27:45,485 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-10-16 10:27:45,496 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 10:27:45,496 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 44 [2022-10-16 10:27:45,507 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 10:27:45,508 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 37 [2022-10-16 10:27:45,602 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 19 not checked. [2022-10-16 10:27:45,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499318438] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:27:45,602 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:27:45,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 15] total 37 [2022-10-16 10:27:45,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172893688] [2022-10-16 10:27:45,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:27:45,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-10-16 10:27:45,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:27:45,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-10-16 10:27:45,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=998, Unknown=6, NotChecked=268, Total=1406 [2022-10-16 10:27:45,605 INFO L87 Difference]: Start difference. First operand 164 states and 185 transitions. Second operand has 38 states, 37 states have (on average 2.2972972972972974) internal successors, (85), 38 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:27:46,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:27:46,707 INFO L93 Difference]: Finished difference Result 203 states and 224 transitions. [2022-10-16 10:27:46,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 10:27:46,709 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 2.2972972972972974) internal successors, (85), 38 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-10-16 10:27:46,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:27:46,711 INFO L225 Difference]: With dead ends: 203 [2022-10-16 10:27:46,712 INFO L226 Difference]: Without dead ends: 202 [2022-10-16 10:27:46,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 45 SyntacticMatches, 6 SemanticMatches, 43 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=200, Invalid=1450, Unknown=6, NotChecked=324, Total=1980 [2022-10-16 10:27:46,714 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 172 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 1011 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 1028 SdHoareTripleChecker+Invalid, 1485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 438 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 10:27:46,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 1028 Invalid, 1485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1011 Invalid, 0 Unknown, 438 Unchecked, 0.7s Time] [2022-10-16 10:27:46,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2022-10-16 10:27:46,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 164. [2022-10-16 10:27:46,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.2026143790849673) internal successors, (184), 163 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:27:46,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 184 transitions. [2022-10-16 10:27:46,746 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 184 transitions. Word has length 34 [2022-10-16 10:27:46,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:27:46,746 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 184 transitions. [2022-10-16 10:27:46,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 2.2972972972972974) internal successors, (85), 38 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:27:46,746 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 184 transitions. [2022-10-16 10:27:46,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-16 10:27:46,747 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:27:46,747 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:27:46,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-10-16 10:27:46,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:27:46,948 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 10:27:46,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:27:46,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1897981517, now seen corresponding path program 5 times [2022-10-16 10:27:46,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:27:46,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622649041] [2022-10-16 10:27:46,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:27:46,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:27:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:27:48,861 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:27:48,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:27:48,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622649041] [2022-10-16 10:27:48,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622649041] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:27:48,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398650476] [2022-10-16 10:27:48,862 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-10-16 10:27:48,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:27:48,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:27:48,866 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 10:27:48,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-10-16 10:27:48,958 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-10-16 10:27:48,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 10:27:48,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 45 conjunts are in the unsatisfiable core [2022-10-16 10:27:48,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:27:48,980 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-16 10:27:49,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:27:49,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 10:27:49,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:27:49,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:27:49,254 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-10-16 10:27:49,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:27:49,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:27:49,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:27:49,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:27:49,502 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-10-16 10:27:49,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:27:49,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:27:49,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:27:49,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:27:49,736 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-10-16 10:27:49,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:27:49,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:27:49,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:27:49,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:27:49,989 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-10-16 10:27:50,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 10:27:50,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:27:50,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:27:50,404 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2022-10-16 10:27:50,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:27:50,759 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2022-10-16 10:27:50,834 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 10 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:27:50,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:27:54,714 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_105| Int)) (or (forall ((v_ArrVal_621 Int) (v_ArrVal_619 Int)) (let ((.cse2 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~0#1_105| 4) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_619))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse2))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (or (< (+ v_ArrVal_621 (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_621)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4))) 9223372036854775808) (< (+ (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|)) v_ArrVal_621)))))) (not (<= (+ |c_ULTIMATE.start_main_#t~post6#1| 1) |v_ULTIMATE.start_main_~i~0#1_105|)))) is different from false [2022-10-16 10:29:17,047 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_621 Int) (|v_ULTIMATE.start_main_~i~0#1_105| Int) (v_ArrVal_619 Int) (v_ArrVal_617 Int)) (let ((.cse2 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ (* |c_ULTIMATE.start_main_~i~0#1| 4) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_617) (+ (* |v_ULTIMATE.start_main_~i~0#1_105| 4) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_619))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse2))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (or (< (+ (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_621)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)) v_ArrVal_621) 9223372036854775808) (< |v_ULTIMATE.start_main_~i~0#1_105| (+ |c_ULTIMATE.start_main_~i~0#1| 1)) (< (+ (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) v_ArrVal_621)))))) is different from false [2022-10-16 10:29:19,094 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_106| Int)) (or (forall ((v_ArrVal_621 Int) (|v_ULTIMATE.start_main_~i~0#1_105| Int) (v_ArrVal_619 Int) (v_ArrVal_617 Int)) (let ((.cse0 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~0#1_106| 4) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_617) (+ (* |v_ULTIMATE.start_main_~i~0#1_105| 4) |c_ULTIMATE.start_main_~a~0#1.offset|) v_ArrVal_619))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse0))) (let ((.cse1 (select .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (or (< (+ (select .cse0 |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) v_ArrVal_621) (< |v_ULTIMATE.start_main_~i~0#1_105| (+ |v_ULTIMATE.start_main_~i~0#1_106| 1)) (< (+ v_ArrVal_621 (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| v_ArrVal_621)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4))) 9223372036854775808)))))) (not (<= (+ |c_ULTIMATE.start_main_#t~post6#1| 1) |v_ULTIMATE.start_main_~i~0#1_106|)))) is different from false