/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/loops/trex04.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:41:28,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:41:28,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:41:28,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 14:41:28,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 14:41:28,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 14:41:28,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 14:41:28,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 14:41:28,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 14:41:28,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 14:41:28,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 14:41:28,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 14:41:28,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:41:28,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:41:28,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:41:28,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:41:28,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:41:28,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:41:28,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:41:28,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:41:28,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:41:28,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:41:28,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:41:28,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:41:28,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 14:41:28,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 14:41:28,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 14:41:28,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 14:41:28,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 14:41:28,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 14:41:28,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 14:41:28,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 14:41:28,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 14:41:28,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 14:41:28,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 14:41:28,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 14:41:28,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 14:41:28,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 14:41:28,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:41:28,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:41:28,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:41:28,794 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 14:41:28,821 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:41:28,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:41:28,821 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:41:28,822 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:41:28,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:41:28,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:41:28,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:41:28,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:41:28,824 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:41:28,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:41:28,825 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:41:28,825 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:41:28,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:41:28,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:41:28,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:41:28,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:41:28,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:41:28,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:41:28,827 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:41:28,827 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:41:28,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:41:28,827 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:41:28,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:41:28,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:41:28,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:41:28,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:41:28,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:41:28,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:41:28,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:41:28,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:41:28,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:41:28,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:41:28,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:41:28,830 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:41:29,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:41:29,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:41:29,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:41:29,264 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:41:29,264 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:41:29,266 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex04.c [2022-10-16 14:41:29,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09cd51059/86e44cb8ac7c49be8cb2b2c848ae263d/FLAGbf625a75a [2022-10-16 14:41:29,997 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:41:29,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex04.c [2022-10-16 14:41:30,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09cd51059/86e44cb8ac7c49be8cb2b2c848ae263d/FLAGbf625a75a [2022-10-16 14:41:30,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09cd51059/86e44cb8ac7c49be8cb2b2c848ae263d [2022-10-16 14:41:30,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:41:30,394 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:41:30,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:41:30,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:41:30,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:41:30,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:41:30" (1/1) ... [2022-10-16 14:41:30,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45863eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:30, skipping insertion in model container [2022-10-16 14:41:30,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:41:30" (1/1) ... [2022-10-16 14:41:30,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:41:30,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:41:30,577 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/loops/trex04.c[405,418] [2022-10-16 14:41:30,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:41:30,615 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:41:30,635 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/loops/trex04.c[405,418] [2022-10-16 14:41:30,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:41:30,675 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:41:30,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:30 WrapperNode [2022-10-16 14:41:30,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:41:30,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:41:30,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:41:30,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:41:30,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:30" (1/1) ... [2022-10-16 14:41:30,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:30" (1/1) ... [2022-10-16 14:41:30,735 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2022-10-16 14:41:30,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:41:30,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:41:30,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:41:30,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:41:30,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:30" (1/1) ... [2022-10-16 14:41:30,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:30" (1/1) ... [2022-10-16 14:41:30,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:30" (1/1) ... [2022-10-16 14:41:30,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:30" (1/1) ... [2022-10-16 14:41:30,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:30" (1/1) ... [2022-10-16 14:41:30,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:30" (1/1) ... [2022-10-16 14:41:30,794 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:30" (1/1) ... [2022-10-16 14:41:30,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:30" (1/1) ... [2022-10-16 14:41:30,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:41:30,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:41:30,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:41:30,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:41:30,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:30" (1/1) ... [2022-10-16 14:41:30,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:41:30,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:30,856 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 14:41:30,879 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 14:41:30,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:41:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-10-16 14:41:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-10-16 14:41:30,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:41:30,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:41:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:41:31,024 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:41:31,027 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:41:31,223 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:41:31,231 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:41:31,231 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 14:41:31,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:41:31 BoogieIcfgContainer [2022-10-16 14:41:31,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:41:31,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:41:31,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:41:31,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:41:31,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:41:30" (1/3) ... [2022-10-16 14:41:31,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472dbe9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:41:31, skipping insertion in model container [2022-10-16 14:41:31,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:30" (2/3) ... [2022-10-16 14:41:31,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472dbe9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:41:31, skipping insertion in model container [2022-10-16 14:41:31,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:41:31" (3/3) ... [2022-10-16 14:41:31,244 INFO L112 eAbstractionObserver]: Analyzing ICFG trex04.c [2022-10-16 14:41:31,272 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:41:31,273 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-10-16 14:41:31,405 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:41:31,415 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;@1fe424a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:41:31,415 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-10-16 14:41:31,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 31 states have (on average 1.7096774193548387) internal successors, (53), 45 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:41:31,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 14:41:31,431 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:31,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 14:41:31,432 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:31,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:31,440 INFO L85 PathProgramCache]: Analyzing trace with hash 53507711, now seen corresponding path program 1 times [2022-10-16 14:41:31,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:31,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296759007] [2022-10-16 14:41:31,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:31,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:31,663 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 14:41:31,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:31,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296759007] [2022-10-16 14:41:31,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296759007] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:31,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:31,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:41:31,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451877266] [2022-10-16 14:41:31,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:31,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:41:31,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:31,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:41:31,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:41:31,712 INFO L87 Difference]: Start difference. First operand has 47 states, 31 states have (on average 1.7096774193548387) internal successors, (53), 45 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:31,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:31,775 INFO L93 Difference]: Finished difference Result 76 states and 93 transitions. [2022-10-16 14:41:31,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:41:31,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2022-10-16 14:41:31,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:31,788 INFO L225 Difference]: With dead ends: 76 [2022-10-16 14:41:31,789 INFO L226 Difference]: Without dead ends: 51 [2022-10-16 14:41:31,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:41:31,799 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 23 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:31,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 85 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:31,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-10-16 14:41:31,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2022-10-16 14:41:31,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 44 states have internal predecessors, (50), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 14:41:31,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2022-10-16 14:41:31,856 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 58 transitions. Word has length 5 [2022-10-16 14:41:31,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:31,857 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 58 transitions. [2022-10-16 14:41:31,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:31,859 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2022-10-16 14:41:31,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 14:41:31,860 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:31,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:31,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:41:31,862 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:31,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:31,864 INFO L85 PathProgramCache]: Analyzing trace with hash 2079036161, now seen corresponding path program 1 times [2022-10-16 14:41:31,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:31,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117543421] [2022-10-16 14:41:31,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:31,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:32,026 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 14:41:32,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:32,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117543421] [2022-10-16 14:41:32,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117543421] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:32,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:32,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:41:32,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465810771] [2022-10-16 14:41:32,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:32,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:41:32,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:32,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:41:32,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:41:32,035 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:32,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:32,077 INFO L93 Difference]: Finished difference Result 55 states and 68 transitions. [2022-10-16 14:41:32,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:41:32,078 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 14:41:32,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:32,080 INFO L225 Difference]: With dead ends: 55 [2022-10-16 14:41:32,080 INFO L226 Difference]: Without dead ends: 51 [2022-10-16 14:41:32,081 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 14:41:32,083 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 10 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:32,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 106 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:32,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-10-16 14:41:32,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2022-10-16 14:41:32,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 34 states have (on average 1.5294117647058822) internal successors, (52), 45 states have internal predecessors, (52), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 14:41:32,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 60 transitions. [2022-10-16 14:41:32,094 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 60 transitions. Word has length 9 [2022-10-16 14:41:32,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:32,095 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 60 transitions. [2022-10-16 14:41:32,095 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:32,095 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2022-10-16 14:41:32,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 14:41:32,096 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:32,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:32,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:41:32,100 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:32,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:32,101 INFO L85 PathProgramCache]: Analyzing trace with hash 25617610, now seen corresponding path program 1 times [2022-10-16 14:41:32,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:32,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352419272] [2022-10-16 14:41:32,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:32,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:32,242 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 14:41:32,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:32,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352419272] [2022-10-16 14:41:32,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352419272] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:32,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:32,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:41:32,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857879800] [2022-10-16 14:41:32,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:32,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:41:32,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:32,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:41:32,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:41:32,247 INFO L87 Difference]: Start difference. First operand 47 states and 60 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:32,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:32,283 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2022-10-16 14:41:32,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:41:32,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 14:41:32,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:32,285 INFO L225 Difference]: With dead ends: 51 [2022-10-16 14:41:32,285 INFO L226 Difference]: Without dead ends: 49 [2022-10-16 14:41:32,286 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 14:41:32,288 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 7 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:32,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 104 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:32,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-10-16 14:41:32,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-10-16 14:41:32,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 36 states have (on average 1.5) internal successors, (54), 47 states have internal predecessors, (54), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 14:41:32,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 62 transitions. [2022-10-16 14:41:32,299 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 62 transitions. Word has length 10 [2022-10-16 14:41:32,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:32,299 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 62 transitions. [2022-10-16 14:41:32,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:32,300 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2022-10-16 14:41:32,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 14:41:32,307 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:32,307 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:32,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 14:41:32,308 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:32,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:32,309 INFO L85 PathProgramCache]: Analyzing trace with hash 69855417, now seen corresponding path program 1 times [2022-10-16 14:41:32,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:32,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957141147] [2022-10-16 14:41:32,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:32,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:32,439 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 14:41:32,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:32,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957141147] [2022-10-16 14:41:32,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957141147] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:32,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:32,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:41:32,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72105015] [2022-10-16 14:41:32,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:32,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:41:32,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:32,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:41:32,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:41:32,450 INFO L87 Difference]: Start difference. First operand 49 states and 62 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:32,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:32,499 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2022-10-16 14:41:32,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:41:32,499 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 14:41:32,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:32,501 INFO L225 Difference]: With dead ends: 54 [2022-10-16 14:41:32,501 INFO L226 Difference]: Without dead ends: 53 [2022-10-16 14:41:32,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 14:41:32,503 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 15 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:32,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 94 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:32,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-10-16 14:41:32,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2022-10-16 14:41:32,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 39 states have (on average 1.4871794871794872) internal successors, (58), 50 states have internal predecessors, (58), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 14:41:32,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 66 transitions. [2022-10-16 14:41:32,523 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 66 transitions. Word has length 10 [2022-10-16 14:41:32,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:32,524 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 66 transitions. [2022-10-16 14:41:32,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:32,524 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-10-16 14:41:32,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 14:41:32,525 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:32,526 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:32,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 14:41:32,526 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:32,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:32,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1196819568, now seen corresponding path program 1 times [2022-10-16 14:41:32,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:32,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021627743] [2022-10-16 14:41:32,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:32,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:32,640 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 14:41:32,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:32,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021627743] [2022-10-16 14:41:32,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021627743] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:32,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:32,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:41:32,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086190892] [2022-10-16 14:41:32,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:32,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:41:32,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:32,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:41:32,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:41:32,648 INFO L87 Difference]: Start difference. First operand 52 states and 66 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:32,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:32,715 INFO L93 Difference]: Finished difference Result 53 states and 66 transitions. [2022-10-16 14:41:32,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:41:32,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-10-16 14:41:32,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:32,720 INFO L225 Difference]: With dead ends: 53 [2022-10-16 14:41:32,720 INFO L226 Difference]: Without dead ends: 52 [2022-10-16 14:41:32,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:41:32,722 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 23 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:32,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 106 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:41:32,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-10-16 14:41:32,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2022-10-16 14:41:32,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 39 states have (on average 1.4615384615384615) internal successors, (57), 49 states have internal predecessors, (57), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 14:41:32,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 65 transitions. [2022-10-16 14:41:32,740 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 65 transitions. Word has length 11 [2022-10-16 14:41:32,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:32,741 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 65 transitions. [2022-10-16 14:41:32,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:32,741 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-10-16 14:41:32,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 14:41:32,743 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:32,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:32,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 14:41:32,743 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:32,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:32,744 INFO L85 PathProgramCache]: Analyzing trace with hash -2129449259, now seen corresponding path program 1 times [2022-10-16 14:41:32,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:32,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001041762] [2022-10-16 14:41:32,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:32,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:32,811 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 14:41:32,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:32,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001041762] [2022-10-16 14:41:32,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001041762] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:32,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:32,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:41:32,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995056739] [2022-10-16 14:41:32,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:32,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:41:32,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:32,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:41:32,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:41:32,820 INFO L87 Difference]: Start difference. First operand 51 states and 65 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:32,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:32,868 INFO L93 Difference]: Finished difference Result 53 states and 66 transitions. [2022-10-16 14:41:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:41:32,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-10-16 14:41:32,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:32,871 INFO L225 Difference]: With dead ends: 53 [2022-10-16 14:41:32,871 INFO L226 Difference]: Without dead ends: 48 [2022-10-16 14:41:32,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 14:41:32,873 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 14 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:32,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 94 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:32,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-10-16 14:41:32,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-10-16 14:41:32,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 46 states have internal predecessors, (52), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 14:41:32,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 60 transitions. [2022-10-16 14:41:32,883 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 60 transitions. Word has length 11 [2022-10-16 14:41:32,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:32,884 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 60 transitions. [2022-10-16 14:41:32,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:32,884 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2022-10-16 14:41:32,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 14:41:32,886 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:32,886 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:32,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 14:41:32,886 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting fooErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:32,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:32,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1157066138, now seen corresponding path program 1 times [2022-10-16 14:41:32,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:32,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959500275] [2022-10-16 14:41:32,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:32,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:33,003 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 14:41:33,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:33,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959500275] [2022-10-16 14:41:33,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959500275] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:33,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:33,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:41:33,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576984289] [2022-10-16 14:41:33,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:33,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:41:33,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:33,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:41:33,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:41:33,007 INFO L87 Difference]: Start difference. First operand 48 states and 60 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:33,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:33,065 INFO L93 Difference]: Finished difference Result 48 states and 60 transitions. [2022-10-16 14:41:33,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:41:33,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 14:41:33,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:33,069 INFO L225 Difference]: With dead ends: 48 [2022-10-16 14:41:33,070 INFO L226 Difference]: Without dead ends: 47 [2022-10-16 14:41:33,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:41:33,072 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 19 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:33,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 99 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:33,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-10-16 14:41:33,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-10-16 14:41:33,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 45 states have internal predecessors, (51), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 14:41:33,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 59 transitions. [2022-10-16 14:41:33,092 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 59 transitions. Word has length 12 [2022-10-16 14:41:33,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:33,093 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 59 transitions. [2022-10-16 14:41:33,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:33,093 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2022-10-16 14:41:33,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 14:41:33,094 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:33,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:33,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 14:41:33,099 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:33,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:33,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1157066330, now seen corresponding path program 1 times [2022-10-16 14:41:33,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:33,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789874740] [2022-10-16 14:41:33,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:33,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:33,219 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 14:41:33,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:33,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789874740] [2022-10-16 14:41:33,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789874740] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:33,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:33,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:41:33,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003866385] [2022-10-16 14:41:33,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:33,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:41:33,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:33,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:41:33,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:41:33,229 INFO L87 Difference]: Start difference. First operand 47 states and 59 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:33,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:33,290 INFO L93 Difference]: Finished difference Result 49 states and 64 transitions. [2022-10-16 14:41:33,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:41:33,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 14:41:33,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:33,295 INFO L225 Difference]: With dead ends: 49 [2022-10-16 14:41:33,296 INFO L226 Difference]: Without dead ends: 48 [2022-10-16 14:41:33,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:41:33,306 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 17 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:33,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 159 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:33,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-10-16 14:41:33,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2022-10-16 14:41:33,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 44 states have internal predecessors, (50), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 14:41:33,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2022-10-16 14:41:33,326 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 58 transitions. Word has length 12 [2022-10-16 14:41:33,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:33,326 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 58 transitions. [2022-10-16 14:41:33,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:33,327 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2022-10-16 14:41:33,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 14:41:33,328 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:33,328 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:33,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 14:41:33,329 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:33,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:33,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1553305333, now seen corresponding path program 1 times [2022-10-16 14:41:33,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:33,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268478040] [2022-10-16 14:41:33,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:33,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:33,434 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 14:41:33,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:33,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268478040] [2022-10-16 14:41:33,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268478040] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:33,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:33,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:41:33,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116124508] [2022-10-16 14:41:33,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:33,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:41:33,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:33,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:41:33,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:41:33,441 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:33,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:33,491 INFO L93 Difference]: Finished difference Result 50 states and 63 transitions. [2022-10-16 14:41:33,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:41:33,492 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-10-16 14:41:33,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:33,493 INFO L225 Difference]: With dead ends: 50 [2022-10-16 14:41:33,493 INFO L226 Difference]: Without dead ends: 49 [2022-10-16 14:41:33,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:41:33,500 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 25 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:33,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 81 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:33,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-10-16 14:41:33,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2022-10-16 14:41:33,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 38 states have (on average 1.368421052631579) internal successors, (52), 46 states have internal predecessors, (52), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 14:41:33,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 60 transitions. [2022-10-16 14:41:33,522 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 60 transitions. Word has length 12 [2022-10-16 14:41:33,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:33,522 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 60 transitions. [2022-10-16 14:41:33,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:33,522 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2022-10-16 14:41:33,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 14:41:33,527 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:33,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:33,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 14:41:33,531 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:33,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:33,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1553299151, now seen corresponding path program 1 times [2022-10-16 14:41:33,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:33,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989555698] [2022-10-16 14:41:33,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:33,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:33,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:33,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:33,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989555698] [2022-10-16 14:41:33,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989555698] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:33,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:33,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:41:33,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128315978] [2022-10-16 14:41:33,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:33,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:41:33,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:33,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:41:33,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:41:33,596 INFO L87 Difference]: Start difference. First operand 48 states and 60 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:33,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:33,638 INFO L93 Difference]: Finished difference Result 53 states and 65 transitions. [2022-10-16 14:41:33,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:41:33,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-10-16 14:41:33,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:33,640 INFO L225 Difference]: With dead ends: 53 [2022-10-16 14:41:33,640 INFO L226 Difference]: Without dead ends: 52 [2022-10-16 14:41:33,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 14:41:33,643 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 19 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:33,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 77 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:33,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-10-16 14:41:33,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 47. [2022-10-16 14:41:33,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 45 states have internal predecessors, (51), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 14:41:33,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 59 transitions. [2022-10-16 14:41:33,665 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 59 transitions. Word has length 12 [2022-10-16 14:41:33,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:33,666 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 59 transitions. [2022-10-16 14:41:33,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:33,666 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2022-10-16 14:41:33,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 14:41:33,672 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:33,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:33,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 14:41:33,673 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting fooErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:33,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:33,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1509311857, now seen corresponding path program 1 times [2022-10-16 14:41:33,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:33,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748332944] [2022-10-16 14:41:33,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:33,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:33,770 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 14:41:33,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:33,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748332944] [2022-10-16 14:41:33,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748332944] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:33,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:33,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:41:33,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645780589] [2022-10-16 14:41:33,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:33,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:41:33,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:33,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:41:33,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:41:33,774 INFO L87 Difference]: Start difference. First operand 47 states and 59 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:33,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:33,811 INFO L93 Difference]: Finished difference Result 49 states and 64 transitions. [2022-10-16 14:41:33,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:41:33,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 14:41:33,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:33,814 INFO L225 Difference]: With dead ends: 49 [2022-10-16 14:41:33,815 INFO L226 Difference]: Without dead ends: 48 [2022-10-16 14:41:33,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:41:33,817 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 11 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:33,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 128 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:33,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-10-16 14:41:33,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2022-10-16 14:41:33,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 42 states have internal predecessors, (48), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 14:41:33,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2022-10-16 14:41:33,843 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 13 [2022-10-16 14:41:33,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:33,846 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2022-10-16 14:41:33,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:33,846 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-10-16 14:41:33,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 14:41:33,855 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:33,855 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:33,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 14:41:33,856 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting fooErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:33,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:33,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1509317815, now seen corresponding path program 1 times [2022-10-16 14:41:33,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:33,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920434952] [2022-10-16 14:41:33,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:33,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:33,937 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 14:41:33,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:33,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920434952] [2022-10-16 14:41:33,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920434952] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:33,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:33,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:41:33,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577334610] [2022-10-16 14:41:33,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:33,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:41:33,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:33,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:41:33,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:41:33,942 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:33,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:33,988 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2022-10-16 14:41:33,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:41:33,989 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 14:41:33,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:33,991 INFO L225 Difference]: With dead ends: 48 [2022-10-16 14:41:33,991 INFO L226 Difference]: Without dead ends: 47 [2022-10-16 14:41:33,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:41:33,992 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 12 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:33,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 150 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:33,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-10-16 14:41:34,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 40. [2022-10-16 14:41:34,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 33 states have (on average 1.303030303030303) internal successors, (43), 38 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 14:41:34,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2022-10-16 14:41:34,007 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 13 [2022-10-16 14:41:34,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:34,009 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2022-10-16 14:41:34,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:34,010 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-10-16 14:41:34,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 14:41:34,012 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:34,012 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:34,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 14:41:34,012 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:34,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:34,014 INFO L85 PathProgramCache]: Analyzing trace with hash 907825177, now seen corresponding path program 1 times [2022-10-16 14:41:34,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:34,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30442771] [2022-10-16 14:41:34,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:34,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:34,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:34,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:34,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30442771] [2022-10-16 14:41:34,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30442771] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:34,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:34,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:41:34,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477077566] [2022-10-16 14:41:34,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:34,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:41:34,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:34,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:41:34,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:41:34,089 INFO L87 Difference]: Start difference. First operand 40 states and 51 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 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 14:41:34,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:34,139 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2022-10-16 14:41:34,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:41:34,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 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 14:41:34,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:34,141 INFO L225 Difference]: With dead ends: 41 [2022-10-16 14:41:34,141 INFO L226 Difference]: Without dead ends: 40 [2022-10-16 14:41:34,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:41:34,143 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 16 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:34,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 122 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:34,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-10-16 14:41:34,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2022-10-16 14:41:34,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 37 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 14:41:34,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2022-10-16 14:41:34,152 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 50 transitions. Word has length 13 [2022-10-16 14:41:34,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:34,152 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 50 transitions. [2022-10-16 14:41:34,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 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 14:41:34,153 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2022-10-16 14:41:34,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 14:41:34,153 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:34,154 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:34,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 14:41:34,154 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:34,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:34,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1928131503, now seen corresponding path program 1 times [2022-10-16 14:41:34,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:34,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784465674] [2022-10-16 14:41:34,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:34,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:34,227 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 14:41:34,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:34,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784465674] [2022-10-16 14:41:34,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784465674] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:34,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:34,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:41:34,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294658595] [2022-10-16 14:41:34,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:34,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:41:34,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:34,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:41:34,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:41:34,229 INFO L87 Difference]: Start difference. First operand 39 states and 50 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:34,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:34,267 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2022-10-16 14:41:34,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:41:34,268 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2022-10-16 14:41:34,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:34,268 INFO L225 Difference]: With dead ends: 44 [2022-10-16 14:41:34,268 INFO L226 Difference]: Without dead ends: 43 [2022-10-16 14:41:34,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:41:34,270 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 38 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:34,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 75 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:34,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-10-16 14:41:34,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 37. [2022-10-16 14:41:34,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 35 states have internal predecessors, (40), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 14:41:34,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2022-10-16 14:41:34,275 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 14 [2022-10-16 14:41:34,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:34,276 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2022-10-16 14:41:34,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:34,276 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2022-10-16 14:41:34,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 14:41:34,277 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:34,277 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:34,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 14:41:34,277 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:34,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:34,278 INFO L85 PathProgramCache]: Analyzing trace with hash 541637403, now seen corresponding path program 1 times [2022-10-16 14:41:34,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:34,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115929477] [2022-10-16 14:41:34,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:34,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:34,341 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 14:41:34,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:34,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115929477] [2022-10-16 14:41:34,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115929477] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:34,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050026584] [2022-10-16 14:41:34,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:34,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:34,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:34,348 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 14:41:34,369 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 14:41:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:34,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:41:34,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:34,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:34,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:41:34,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050026584] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:34,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:41:34,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2022-10-16 14:41:34,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673140990] [2022-10-16 14:41:34,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:34,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:41:34,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:34,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:41:34,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:41:34,557 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:34,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:34,601 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions. [2022-10-16 14:41:34,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:41:34,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2022-10-16 14:41:34,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:34,602 INFO L225 Difference]: With dead ends: 46 [2022-10-16 14:41:34,602 INFO L226 Difference]: Without dead ends: 31 [2022-10-16 14:41:34,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:41:34,604 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 23 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:34,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 84 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:34,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-10-16 14:41:34,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-10-16 14:41:34,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 29 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:41:34,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2022-10-16 14:41:34,608 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 15 [2022-10-16 14:41:34,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:34,608 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2022-10-16 14:41:34,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:34,609 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2022-10-16 14:41:34,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 14:41:34,609 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:34,610 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:34,645 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 14:41:34,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 14:41:34,824 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:34,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:34,825 INFO L85 PathProgramCache]: Analyzing trace with hash -72880065, now seen corresponding path program 1 times [2022-10-16 14:41:34,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:34,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109568170] [2022-10-16 14:41:34,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:34,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:34,909 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 14:41:34,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:34,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109568170] [2022-10-16 14:41:34,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109568170] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:34,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321985788] [2022-10-16 14:41:34,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:34,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:34,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:34,914 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 14:41:34,918 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 14:41:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:34,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 14:41:34,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:35,106 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 14:41:35,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:41:35,200 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 14:41:35,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321985788] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:41:35,200 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:41:35,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2022-10-16 14:41:35,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328459346] [2022-10-16 14:41:35,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:41:35,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-16 14:41:35,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:35,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-16 14:41:35,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-10-16 14:41:35,203 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand has 17 states, 16 states have (on average 3.0625) internal successors, (49), 17 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:35,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:35,363 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2022-10-16 14:41:35,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 14:41:35,364 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.0625) internal successors, (49), 17 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-10-16 14:41:35,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:35,365 INFO L225 Difference]: With dead ends: 41 [2022-10-16 14:41:35,365 INFO L226 Difference]: Without dead ends: 40 [2022-10-16 14:41:35,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462 [2022-10-16 14:41:35,366 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 83 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:35,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 143 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:41:35,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-10-16 14:41:35,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-10-16 14:41:35,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 38 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:41:35,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2022-10-16 14:41:35,372 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 17 [2022-10-16 14:41:35,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:35,372 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2022-10-16 14:41:35,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.0625) internal successors, (49), 17 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:35,373 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-10-16 14:41:35,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 14:41:35,373 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:35,374 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:35,410 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 14:41:35,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-10-16 14:41:35,587 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:35,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:35,588 INFO L85 PathProgramCache]: Analyzing trace with hash -203702575, now seen corresponding path program 2 times [2022-10-16 14:41:35,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:35,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096736886] [2022-10-16 14:41:35,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:35,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:35,725 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:35,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:35,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096736886] [2022-10-16 14:41:35,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096736886] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:35,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346777752] [2022-10-16 14:41:35,726 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:41:35,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:35,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:35,727 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 14:41:35,736 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 14:41:35,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:41:35,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:41:35,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:41:35,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:35,992 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:35,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:41:36,156 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:36,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346777752] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:41:36,157 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:41:36,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 25 [2022-10-16 14:41:36,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111723121] [2022-10-16 14:41:36,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:41:36,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-10-16 14:41:36,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:36,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-10-16 14:41:36,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=478, Unknown=0, NotChecked=0, Total=650 [2022-10-16 14:41:36,159 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 26 states, 25 states have (on average 3.04) internal successors, (76), 26 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:36,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:36,511 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2022-10-16 14:41:36,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 14:41:36,512 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.04) internal successors, (76), 26 states have internal predecessors, (76), 0 states have call successors, (0), 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 14:41:36,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:36,513 INFO L225 Difference]: With dead ends: 59 [2022-10-16 14:41:36,513 INFO L226 Difference]: Without dead ends: 58 [2022-10-16 14:41:36,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=395, Invalid=937, Unknown=0, NotChecked=0, Total=1332 [2022-10-16 14:41:36,515 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 98 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:36,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 206 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:41:36,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-10-16 14:41:36,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-10-16 14:41:36,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 56 states have internal predecessors, (59), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:41:36,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 63 transitions. [2022-10-16 14:41:36,524 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 63 transitions. Word has length 26 [2022-10-16 14:41:36,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:36,524 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 63 transitions. [2022-10-16 14:41:36,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.04) internal successors, (76), 26 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:36,525 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2022-10-16 14:41:36,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-16 14:41:36,526 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:36,526 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:36,563 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 14:41:36,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:36,742 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:36,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:36,743 INFO L85 PathProgramCache]: Analyzing trace with hash -952483183, now seen corresponding path program 3 times [2022-10-16 14:41:36,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:36,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119440679] [2022-10-16 14:41:36,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:36,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:37,021 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:37,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:37,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119440679] [2022-10-16 14:41:37,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119440679] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:37,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581571273] [2022-10-16 14:41:37,022 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 14:41:37,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:37,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:37,025 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 14:41:37,043 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 14:41:37,079 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-10-16 14:41:37,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:41:37,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-16 14:41:37,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:37,516 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:37,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:41:37,943 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:37,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581571273] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:41:37,943 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:41:37,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 43 [2022-10-16 14:41:37,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40059603] [2022-10-16 14:41:37,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:41:37,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-10-16 14:41:37,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:37,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-10-16 14:41:37,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=415, Invalid=1477, Unknown=0, NotChecked=0, Total=1892 [2022-10-16 14:41:37,947 INFO L87 Difference]: Start difference. First operand 58 states and 63 transitions. Second operand has 44 states, 43 states have (on average 3.0232558139534884) internal successors, (130), 44 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:39,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:39,099 INFO L93 Difference]: Finished difference Result 95 states and 111 transitions. [2022-10-16 14:41:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-16 14:41:39,100 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 3.0232558139534884) internal successors, (130), 44 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-10-16 14:41:39,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:39,101 INFO L225 Difference]: With dead ends: 95 [2022-10-16 14:41:39,101 INFO L226 Difference]: Without dead ends: 94 [2022-10-16 14:41:39,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1328 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1259, Invalid=3163, Unknown=0, NotChecked=0, Total=4422 [2022-10-16 14:41:39,104 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 211 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:39,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 377 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:41:39,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-10-16 14:41:39,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-10-16 14:41:39,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 90 states have (on average 1.0555555555555556) internal successors, (95), 92 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:41:39,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 99 transitions. [2022-10-16 14:41:39,120 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 99 transitions. Word has length 44 [2022-10-16 14:41:39,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:39,120 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 99 transitions. [2022-10-16 14:41:39,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 3.0232558139534884) internal successors, (130), 44 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:39,121 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 99 transitions. [2022-10-16 14:41:39,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 14:41:39,122 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:39,122 INFO L195 NwaCegarLoop]: trace histogram [23, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:39,151 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 14:41:39,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 14:41:39,337 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:39,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:39,338 INFO L85 PathProgramCache]: Analyzing trace with hash -899745263, now seen corresponding path program 4 times [2022-10-16 14:41:39,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:39,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836422892] [2022-10-16 14:41:39,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:39,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:40,154 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:40,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:40,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836422892] [2022-10-16 14:41:40,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836422892] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:40,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122687605] [2022-10-16 14:41:40,155 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-10-16 14:41:40,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:40,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:40,156 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 14:41:40,158 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 14:41:40,208 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-10-16 14:41:40,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:41:40,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-16 14:41:40,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:41,271 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:41,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:41:42,644 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:42,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122687605] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:41:42,645 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:41:42,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 79 [2022-10-16 14:41:42,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849667060] [2022-10-16 14:41:42,645 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:41:42,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2022-10-16 14:41:42,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:42,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2022-10-16 14:41:42,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1225, Invalid=5095, Unknown=0, NotChecked=0, Total=6320 [2022-10-16 14:41:42,651 INFO L87 Difference]: Start difference. First operand 94 states and 99 transitions. Second operand has 80 states, 79 states have (on average 3.0126582278481013) internal successors, (238), 80 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:47,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:47,410 INFO L93 Difference]: Finished difference Result 167 states and 195 transitions. [2022-10-16 14:41:47,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-10-16 14:41:47,411 INFO L78 Accepts]: Start accepts. Automaton has has 80 states, 79 states have (on average 3.0126582278481013) internal successors, (238), 80 states have internal predecessors, (238), 0 states have call successors, (0), 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 80 [2022-10-16 14:41:47,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:47,412 INFO L225 Difference]: With dead ends: 167 [2022-10-16 14:41:47,412 INFO L226 Difference]: Without dead ends: 166 [2022-10-16 14:41:47,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4952 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=4499, Invalid=11503, Unknown=0, NotChecked=0, Total=16002 [2022-10-16 14:41:47,419 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 509 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:47,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 644 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:41:47,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-10-16 14:41:47,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2022-10-16 14:41:47,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 162 states have (on average 1.0308641975308641) internal successors, (167), 164 states have internal predecessors, (167), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:41:47,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 171 transitions. [2022-10-16 14:41:47,446 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 171 transitions. Word has length 80 [2022-10-16 14:41:47,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:47,447 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 171 transitions. [2022-10-16 14:41:47,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 79 states have (on average 3.0126582278481013) internal successors, (238), 80 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:47,447 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 171 transitions. [2022-10-16 14:41:47,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-16 14:41:47,449 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:47,449 INFO L195 NwaCegarLoop]: trace histogram [47, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:47,490 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 14:41:47,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:47,663 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:41:47,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:47,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1591159057, now seen corresponding path program 5 times [2022-10-16 14:41:47,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:47,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084843930] [2022-10-16 14:41:47,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:47,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:50,195 INFO L134 CoverageAnalysis]: Checked inductivity of 3197 backedges. 0 proven. 3197 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:50,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:50,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084843930] [2022-10-16 14:41:50,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084843930] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:50,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177393567] [2022-10-16 14:41:50,196 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-10-16 14:41:50,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:50,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:50,198 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 14:41:50,205 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 14:41:50,318 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2022-10-16 14:41:50,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:41:50,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 51 conjunts are in the unsatisfiable core [2022-10-16 14:41:50,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:53,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3197 backedges. 0 proven. 3197 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:53,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:41:58,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3197 backedges. 0 proven. 3197 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:58,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177393567] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:41:58,084 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:41:58,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 151 [2022-10-16 14:41:58,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100941344] [2022-10-16 14:41:58,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:41:58,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 152 states [2022-10-16 14:41:58,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:58,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2022-10-16 14:41:58,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4141, Invalid=18811, Unknown=0, NotChecked=0, Total=22952 [2022-10-16 14:41:58,094 INFO L87 Difference]: Start difference. First operand 166 states and 171 transitions. Second operand has 152 states, 151 states have (on average 3.006622516556291) internal successors, (454), 152 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:21,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:42:21,007 INFO L93 Difference]: Finished difference Result 311 states and 363 transitions. [2022-10-16 14:42:21,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-10-16 14:42:21,008 INFO L78 Accepts]: Start accepts. Automaton has has 152 states, 151 states have (on average 3.006622516556291) internal successors, (454), 152 states have internal predecessors, (454), 0 states have call successors, (0), 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 152 [2022-10-16 14:42:21,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:42:21,010 INFO L225 Difference]: With dead ends: 311 [2022-10-16 14:42:21,011 INFO L226 Difference]: Without dead ends: 310 [2022-10-16 14:42:21,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 245 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19112 ImplicationChecksByTransitivity, 29.9s TimeCoverageRelationStatistics Valid=17027, Invalid=43735, Unknown=0, NotChecked=0, Total=60762 [2022-10-16 14:42:21,020 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 805 mSDsluCounter, 1174 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 394 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 394 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:42:21,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 1199 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [394 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 14:42:21,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2022-10-16 14:42:21,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2022-10-16 14:42:21,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 306 states have (on average 1.0163398692810457) internal successors, (311), 308 states have internal predecessors, (311), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:42:21,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 315 transitions. [2022-10-16 14:42:21,067 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 315 transitions. Word has length 152 [2022-10-16 14:42:21,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:21,067 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 315 transitions. [2022-10-16 14:42:21,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 152 states, 151 states have (on average 3.006622516556291) internal successors, (454), 152 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:21,068 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 315 transitions. [2022-10-16 14:42:21,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-10-16 14:42:21,071 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:21,071 INFO L195 NwaCegarLoop]: trace histogram [95, 94, 94, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:21,100 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 14:42:21,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:21,286 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:42:21,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:21,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1392343279, now seen corresponding path program 6 times [2022-10-16 14:42:21,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:21,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330736924] [2022-10-16 14:42:21,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:21,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:29,921 INFO L134 CoverageAnalysis]: Checked inductivity of 13301 backedges. 0 proven. 13301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:42:29,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:42:29,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330736924] [2022-10-16 14:42:29,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330736924] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:42:29,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584241353] [2022-10-16 14:42:29,924 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-10-16 14:42:29,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:29,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:42:29,926 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 14:42:29,929 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 14:42:30,147 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2022-10-16 14:42:30,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:42:30,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 99 conjunts are in the unsatisfiable core [2022-10-16 14:42:30,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:42:40,187 INFO L134 CoverageAnalysis]: Checked inductivity of 13301 backedges. 0 proven. 13301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:42:40,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:42:58,379 INFO L134 CoverageAnalysis]: Checked inductivity of 13301 backedges. 0 proven. 13301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:42:58,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584241353] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:42:58,380 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:42:58,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [99, 99, 99] total 295 [2022-10-16 14:42:58,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944728197] [2022-10-16 14:42:58,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:42:58,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 296 states [2022-10-16 14:42:58,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:42:58,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 296 interpolants. [2022-10-16 14:42:58,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15157, Invalid=72163, Unknown=0, NotChecked=0, Total=87320 [2022-10-16 14:42:58,393 INFO L87 Difference]: Start difference. First operand 310 states and 315 transitions. Second operand has 296 states, 295 states have (on average 3.0033898305084747) internal successors, (886), 296 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:45:08,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:45:08,534 INFO L93 Difference]: Finished difference Result 599 states and 699 transitions. [2022-10-16 14:45:08,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2022-10-16 14:45:08,535 INFO L78 Accepts]: Start accepts. Automaton has has 296 states, 295 states have (on average 3.0033898305084747) internal successors, (886), 296 states have internal predecessors, (886), 0 states have call successors, (0), 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 296 [2022-10-16 14:45:08,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:45:08,538 INFO L225 Difference]: With dead ends: 599 [2022-10-16 14:45:08,538 INFO L226 Difference]: Without dead ends: 598 [2022-10-16 14:45:08,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 880 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 485 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75080 ImplicationChecksByTransitivity, 159.3s TimeCoverageRelationStatistics Valid=66275, Invalid=170407, Unknown=0, NotChecked=0, Total=236682 [2022-10-16 14:45:08,556 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 1583 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 1188 mSolverCounterSat, 776 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1583 SdHoareTripleChecker+Valid, 2276 SdHoareTripleChecker+Invalid, 1964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 776 IncrementalHoareTripleChecker+Valid, 1188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:45:08,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1583 Valid, 2276 Invalid, 1964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [776 Valid, 1188 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 14:45:08,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2022-10-16 14:45:08,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598. [2022-10-16 14:45:08,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 594 states have (on average 1.0084175084175084) internal successors, (599), 596 states have internal predecessors, (599), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:45:08,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 603 transitions. [2022-10-16 14:45:08,654 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 603 transitions. Word has length 296 [2022-10-16 14:45:08,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:45:08,654 INFO L495 AbstractCegarLoop]: Abstraction has 598 states and 603 transitions. [2022-10-16 14:45:08,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 296 states, 295 states have (on average 3.0033898305084747) internal successors, (886), 296 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:45:08,655 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 603 transitions. [2022-10-16 14:45:08,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2022-10-16 14:45:08,668 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:45:08,669 INFO L195 NwaCegarLoop]: trace histogram [191, 190, 190, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:45:08,707 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 14:45:08,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:45:08,883 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fooErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fooErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 14:45:08,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:45:08,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1035648239, now seen corresponding path program 7 times [2022-10-16 14:45:08,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:45:08,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746037105] [2022-10-16 14:45:08,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:45:08,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:45:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat