/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/array-crafted/mapsum5.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 09:59:16,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 09:59:16,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 09:59:17,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 09:59:17,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 09:59:17,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 09:59:17,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 09:59:17,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 09:59:17,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 09:59:17,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 09:59:17,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 09:59:17,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 09:59:17,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 09:59:17,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 09:59:17,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 09:59:17,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 09:59:17,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 09:59:17,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 09:59:17,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 09:59:17,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 09:59:17,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 09:59:17,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 09:59:17,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 09:59:17,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 09:59:17,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 09:59:17,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 09:59:17,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 09:59:17,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 09:59:17,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 09:59:17,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 09:59:17,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 09:59:17,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 09:59:17,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 09:59:17,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 09:59:17,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 09:59:17,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 09:59:17,136 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 09:59:17,165 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 09:59:17,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 09:59:17,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 09:59:17,166 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 09:59:17,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 09:59:17,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 09:59:17,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 09:59:17,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 09:59:17,169 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 09:59:17,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 09:59:17,170 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 09:59:17,170 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 09:59:17,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 09:59:17,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 09:59:17,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 09:59:17,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 09:59:17,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 09:59:17,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 09:59:17,172 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 09:59:17,172 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 09:59:17,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 09:59:17,173 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 09:59:17,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 09:59:17,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 09:59:17,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 09:59:17,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 09:59:17,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 09:59:17,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 09:59:17,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 09:59:17,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 09:59:17,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 09:59:17,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 09:59:17,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 09:59:17,176 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 09:59:17,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 09:59:17,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 09:59:17,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 09:59:17,619 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 09:59:17,619 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 09:59:17,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/mapsum5.i [2022-10-16 09:59:17,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7c23f33f/ab7ac3c0558145a1910488cc0503a439/FLAGf67deafe1 [2022-10-16 09:59:18,351 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 09:59:18,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/mapsum5.i [2022-10-16 09:59:18,360 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7c23f33f/ab7ac3c0558145a1910488cc0503a439/FLAGf67deafe1 [2022-10-16 09:59:18,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7c23f33f/ab7ac3c0558145a1910488cc0503a439 [2022-10-16 09:59:18,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 09:59:18,734 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 09:59:18,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 09:59:18,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 09:59:18,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 09:59:18,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:59:18" (1/1) ... [2022-10-16 09:59:18,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cdc161a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:18, skipping insertion in model container [2022-10-16 09:59:18,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:59:18" (1/1) ... [2022-10-16 09:59:18,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 09:59:18,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 09:59:19,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/mapsum5.i[1380,1393] [2022-10-16 09:59:19,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 09:59:19,117 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 09:59:19,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/mapsum5.i[1380,1393] [2022-10-16 09:59:19,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 09:59:19,202 INFO L208 MainTranslator]: Completed translation [2022-10-16 09:59:19,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:19 WrapperNode [2022-10-16 09:59:19,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 09:59:19,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 09:59:19,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 09:59:19,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 09:59:19,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:19" (1/1) ... [2022-10-16 09:59:19,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:19" (1/1) ... [2022-10-16 09:59:19,277 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 80 [2022-10-16 09:59:19,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 09:59:19,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 09:59:19,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 09:59:19,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 09:59:19,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:19" (1/1) ... [2022-10-16 09:59:19,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:19" (1/1) ... [2022-10-16 09:59:19,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:19" (1/1) ... [2022-10-16 09:59:19,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:19" (1/1) ... [2022-10-16 09:59:19,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:19" (1/1) ... [2022-10-16 09:59:19,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:19" (1/1) ... [2022-10-16 09:59:19,306 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:19" (1/1) ... [2022-10-16 09:59:19,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:19" (1/1) ... [2022-10-16 09:59:19,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 09:59:19,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 09:59:19,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 09:59:19,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 09:59:19,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:19" (1/1) ... [2022-10-16 09:59:19,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 09:59:19,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:59:19,353 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 09:59:19,375 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 09:59:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 09:59:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure mapsum [2022-10-16 09:59:19,417 INFO L138 BoogieDeclarations]: Found implementation of procedure mapsum [2022-10-16 09:59:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 09:59:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 09:59:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 09:59:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 09:59:19,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 09:59:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 09:59:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 09:59:19,491 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 09:59:19,493 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 09:59:19,866 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 09:59:19,875 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 09:59:19,876 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-16 09:59:19,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:59:19 BoogieIcfgContainer [2022-10-16 09:59:19,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 09:59:19,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 09:59:19,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 09:59:19,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 09:59:19,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 09:59:18" (1/3) ... [2022-10-16 09:59:19,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b2857d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 09:59:19, skipping insertion in model container [2022-10-16 09:59:19,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:19" (2/3) ... [2022-10-16 09:59:19,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b2857d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 09:59:19, skipping insertion in model container [2022-10-16 09:59:19,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:59:19" (3/3) ... [2022-10-16 09:59:19,894 INFO L112 eAbstractionObserver]: Analyzing ICFG mapsum5.i [2022-10-16 09:59:19,920 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 09:59:19,920 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-10-16 09:59:19,989 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 09:59:20,000 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;@5f27d374, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 09:59:20,000 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-10-16 09:59:20,006 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.6666666666666667) internal successors, (60), 52 states have internal predecessors, (60), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 09:59:20,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-16 09:59:20,016 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:59:20,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-16 09:59:20,018 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 09:59:20,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:59:20,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1717849420, now seen corresponding path program 1 times [2022-10-16 09:59:20,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:59:20,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123667379] [2022-10-16 09:59:20,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:20,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:20,373 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 09:59:20,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:59:20,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123667379] [2022-10-16 09:59:20,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123667379] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 09:59:20,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 09:59:20,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 09:59:20,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030192983] [2022-10-16 09:59:20,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 09:59:20,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 09:59:20,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:59:20,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 09:59:20,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 09:59:20,425 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.6666666666666667) internal successors, (60), 52 states have internal predecessors, (60), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:59:20,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:59:20,524 INFO L93 Difference]: Finished difference Result 141 states and 169 transitions. [2022-10-16 09:59:20,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 09:59:20,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-10-16 09:59:20,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:59:20,539 INFO L225 Difference]: With dead ends: 141 [2022-10-16 09:59:20,539 INFO L226 Difference]: Without dead ends: 77 [2022-10-16 09:59:20,544 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 09:59:20,552 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 31 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 179 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 09:59:20,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 179 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 09:59:20,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-10-16 09:59:20,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 54. [2022-10-16 09:59:20,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 34 states have (on average 1.588235294117647) internal successors, (54), 50 states have internal predecessors, (54), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:59:20,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2022-10-16 09:59:20,609 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 6 [2022-10-16 09:59:20,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:59:20,609 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2022-10-16 09:59:20,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:59:20,610 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2022-10-16 09:59:20,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 09:59:20,611 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:59:20,611 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:59:20,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 09:59:20,612 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 09:59:20,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:59:20,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1585659974, now seen corresponding path program 1 times [2022-10-16 09:59:20,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:59:20,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360045485] [2022-10-16 09:59:20,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:20,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:20,712 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 09:59:20,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:59:20,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360045485] [2022-10-16 09:59:20,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360045485] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 09:59:20,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 09:59:20,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 09:59:20,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210220008] [2022-10-16 09:59:20,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 09:59:20,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 09:59:20,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:59:20,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 09:59:20,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 09:59:20,721 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 09:59:20,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:59:20,797 INFO L93 Difference]: Finished difference Result 95 states and 103 transitions. [2022-10-16 09:59:20,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 09:59:20,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 8 [2022-10-16 09:59:20,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:59:20,801 INFO L225 Difference]: With dead ends: 95 [2022-10-16 09:59:20,803 INFO L226 Difference]: Without dead ends: 54 [2022-10-16 09:59:20,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 09:59:20,809 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 3 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 09:59:20,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 87 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 09:59:20,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-10-16 09:59:20,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-10-16 09:59:20,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 50 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:59:20,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2022-10-16 09:59:20,829 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 8 [2022-10-16 09:59:20,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:59:20,829 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2022-10-16 09:59:20,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 09:59:20,832 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2022-10-16 09:59:20,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 09:59:20,833 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:59:20,833 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 09:59:20,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 09:59:20,834 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 09:59:20,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:59:20,835 INFO L85 PathProgramCache]: Analyzing trace with hash -708256888, now seen corresponding path program 1 times [2022-10-16 09:59:20,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:59:20,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497650624] [2022-10-16 09:59:20,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:20,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:21,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:21,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:59:21,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497650624] [2022-10-16 09:59:21,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497650624] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:59:21,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148158258] [2022-10-16 09:59:21,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:21,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:59:21,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:59:21,078 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 09:59:21,080 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 09:59:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:21,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 09:59:21,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:59:21,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:21,225 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:59:21,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:21,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148158258] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:59:21,282 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:59:21,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 09:59:21,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447618131] [2022-10-16 09:59:21,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:59:21,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 09:59:21,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:59:21,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 09:59:21,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-16 09:59:21,285 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:59:21,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:59:21,489 INFO L93 Difference]: Finished difference Result 139 states and 157 transitions. [2022-10-16 09:59:21,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 09:59:21,490 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 09:59:21,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:59:21,492 INFO L225 Difference]: With dead ends: 139 [2022-10-16 09:59:21,492 INFO L226 Difference]: Without dead ends: 138 [2022-10-16 09:59:21,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-10-16 09:59:21,495 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 110 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 09:59:21,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 387 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 09:59:21,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-10-16 09:59:21,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 65. [2022-10-16 09:59:21,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 45 states have (on average 1.5333333333333334) internal successors, (69), 61 states have internal predecessors, (69), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:59:21,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 74 transitions. [2022-10-16 09:59:21,508 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 74 transitions. Word has length 10 [2022-10-16 09:59:21,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:59:21,508 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 74 transitions. [2022-10-16 09:59:21,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:59:21,509 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2022-10-16 09:59:21,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 09:59:21,509 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:59:21,510 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:59:21,552 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 09:59:21,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:59:21,724 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 09:59:21,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:59:21,726 INFO L85 PathProgramCache]: Analyzing trace with hash -2030227582, now seen corresponding path program 1 times [2022-10-16 09:59:21,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:59:21,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706628396] [2022-10-16 09:59:21,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:21,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:21,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 09:59:21,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:59:21,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706628396] [2022-10-16 09:59:21,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706628396] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 09:59:21,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 09:59:21,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 09:59:21,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448051253] [2022-10-16 09:59:21,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 09:59:21,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 09:59:21,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:59:21,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 09:59:21,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 09:59:21,803 INFO L87 Difference]: Start difference. First operand 65 states and 74 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (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 09:59:21,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:59:21,850 INFO L93 Difference]: Finished difference Result 77 states and 88 transitions. [2022-10-16 09:59:21,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 09:59:21,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (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 09:59:21,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:59:21,855 INFO L225 Difference]: With dead ends: 77 [2022-10-16 09:59:21,855 INFO L226 Difference]: Without dead ends: 75 [2022-10-16 09:59:21,856 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 09:59:21,865 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 8 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 09:59:21,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 85 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 09:59:21,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-10-16 09:59:21,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 68. [2022-10-16 09:59:21,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 48 states have (on average 1.5208333333333333) internal successors, (73), 64 states have internal predecessors, (73), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:59:21,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2022-10-16 09:59:21,879 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 12 [2022-10-16 09:59:21,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:59:21,879 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2022-10-16 09:59:21,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (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 09:59:21,880 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2022-10-16 09:59:21,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 09:59:21,880 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:59:21,881 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2022-10-16 09:59:21,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 09:59:21,881 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 09:59:21,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:59:21,882 INFO L85 PathProgramCache]: Analyzing trace with hash -481126971, now seen corresponding path program 1 times [2022-10-16 09:59:21,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:59:21,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825042179] [2022-10-16 09:59:21,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:21,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:21,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:21,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:59:21,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825042179] [2022-10-16 09:59:21,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825042179] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:59:21,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574173912] [2022-10-16 09:59:21,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:21,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:59:21,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:59:21,963 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 09:59:21,995 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 09:59:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:22,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 09:59:22,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:59:22,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:22,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 09:59:22,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574173912] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 09:59:22,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 09:59:22,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 09:59:22,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597274888] [2022-10-16 09:59:22,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 09:59:22,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 09:59:22,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:59:22,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 09:59:22,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 09:59:22,087 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:59:22,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:59:22,131 INFO L93 Difference]: Finished difference Result 68 states and 78 transitions. [2022-10-16 09:59:22,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 09:59:22,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-10-16 09:59:22,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:59:22,133 INFO L225 Difference]: With dead ends: 68 [2022-10-16 09:59:22,133 INFO L226 Difference]: Without dead ends: 67 [2022-10-16 09:59:22,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 09:59:22,135 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 52 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 09:59:22,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 115 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 09:59:22,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-10-16 09:59:22,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-10-16 09:59:22,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 63 states have internal predecessors, (70), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:59:22,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 75 transitions. [2022-10-16 09:59:22,144 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 75 transitions. Word has length 11 [2022-10-16 09:59:22,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:59:22,144 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 75 transitions. [2022-10-16 09:59:22,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:59:22,144 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2022-10-16 09:59:22,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 09:59:22,145 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:59:22,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:59:22,186 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 09:59:22,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:59:22,361 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 09:59:22,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:59:22,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1133552572, now seen corresponding path program 1 times [2022-10-16 09:59:22,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:59:22,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985343576] [2022-10-16 09:59:22,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:22,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:22,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:22,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:59:22,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985343576] [2022-10-16 09:59:22,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985343576] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:59:22,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306853325] [2022-10-16 09:59:22,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:22,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:59:22,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:59:22,498 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 09:59:22,504 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 09:59:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:22,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 09:59:22,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:59:22,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:22,632 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:59:22,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:22,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306853325] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:59:22,670 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:59:22,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-10-16 09:59:22,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977219603] [2022-10-16 09:59:22,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:59:22,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 09:59:22,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:59:22,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 09:59:22,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-10-16 09:59:22,672 INFO L87 Difference]: Start difference. First operand 67 states and 75 transitions. Second operand has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 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 09:59:22,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:59:22,751 INFO L93 Difference]: Finished difference Result 111 states and 123 transitions. [2022-10-16 09:59:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 09:59:22,752 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 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 14 [2022-10-16 09:59:22,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:59:22,753 INFO L225 Difference]: With dead ends: 111 [2022-10-16 09:59:22,753 INFO L226 Difference]: Without dead ends: 67 [2022-10-16 09:59:22,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-10-16 09:59:22,755 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 13 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 09:59:22,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 181 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 09:59:22,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-10-16 09:59:22,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-10-16 09:59:22,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 48 states have (on average 1.4375) internal successors, (69), 63 states have internal predecessors, (69), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:59:22,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 74 transitions. [2022-10-16 09:59:22,763 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 74 transitions. Word has length 14 [2022-10-16 09:59:22,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:59:22,763 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 74 transitions. [2022-10-16 09:59:22,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 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 09:59:22,764 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2022-10-16 09:59:22,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-16 09:59:22,765 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:59:22,765 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:59:22,802 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-16 09:59:22,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:59:22,980 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 09:59:22,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:59:22,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1030745728, now seen corresponding path program 2 times [2022-10-16 09:59:22,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:59:22,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477739823] [2022-10-16 09:59:22,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:22,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:23,632 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:23,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:59:23,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477739823] [2022-10-16 09:59:23,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477739823] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:59:23,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110028277] [2022-10-16 09:59:23,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 09:59:23,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:59:23,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:59:23,636 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 09:59:23,641 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 09:59:23,688 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 09:59:23,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 09:59:23,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-16 09:59:23,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:59:23,746 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-10-16 09:59:23,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 09:59:23,823 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 09:59:23,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 09:59:23,917 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 09:59:23,918 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 10 [2022-10-16 09:59:23,939 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:23,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:59:42,981 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2022-10-16 09:59:42,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 122 [2022-10-16 09:59:43,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:43,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110028277] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:59:43,094 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:59:43,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2022-10-16 09:59:43,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077742019] [2022-10-16 09:59:43,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:59:43,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 09:59:43,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:59:43,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 09:59:43,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=377, Unknown=13, NotChecked=0, Total=462 [2022-10-16 09:59:43,108 INFO L87 Difference]: Start difference. First operand 67 states and 74 transitions. Second operand has 22 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 20 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:59:44,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:59:44,152 INFO L93 Difference]: Finished difference Result 100 states and 108 transitions. [2022-10-16 09:59:44,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 09:59:44,152 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 20 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-10-16 09:59:44,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:59:44,154 INFO L225 Difference]: With dead ends: 100 [2022-10-16 09:59:44,154 INFO L226 Difference]: Without dead ends: 99 [2022-10-16 09:59:44,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 19.9s TimeCoverageRelationStatistics Valid=114, Invalid=574, Unknown=14, NotChecked=0, Total=702 [2022-10-16 09:59:44,156 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 59 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 88 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 09:59:44,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 443 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 256 Invalid, 0 Unknown, 88 Unchecked, 0.2s Time] [2022-10-16 09:59:44,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-10-16 09:59:44,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 83. [2022-10-16 09:59:44,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 63 states have (on average 1.4603174603174602) internal successors, (92), 78 states have internal predecessors, (92), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:59:44,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 97 transitions. [2022-10-16 09:59:44,168 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 97 transitions. Word has length 18 [2022-10-16 09:59:44,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:59:44,168 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 97 transitions. [2022-10-16 09:59:44,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 20 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:59:44,169 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 97 transitions. [2022-10-16 09:59:44,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 09:59:44,170 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:59:44,170 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:59:44,214 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 09:59:44,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:59:44,385 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting mapsumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 09:59:44,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:59:44,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1888346542, now seen corresponding path program 1 times [2022-10-16 09:59:44,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:59:44,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666253388] [2022-10-16 09:59:44,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:44,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:44,759 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:44,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:59:44,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666253388] [2022-10-16 09:59:44,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666253388] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:59:44,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003464025] [2022-10-16 09:59:44,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:44,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:59:44,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:59:44,763 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 09:59:44,779 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 09:59:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:44,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-16 09:59:44,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:59:44,835 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-10-16 09:59:44,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 09:59:44,910 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-10-16 09:59:45,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 09:59:45,003 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 09:59:45,003 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 12 [2022-10-16 09:59:45,027 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:45,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:59:47,168 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~1#1_15| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_15|)) (forall ((v_ArrVal_73 Int)) (< 0 (+ 9223372036854775809 (select (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~1#1_15| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_73) |c_ULTIMATE.start_main_~#x~0#1.offset|)))))) is different from false [2022-10-16 09:59:51,754 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2022-10-16 09:59:51,760 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 138 [2022-10-16 09:59:51,829 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-10-16 09:59:51,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003464025] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:59:51,829 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:59:51,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2022-10-16 09:59:51,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361080102] [2022-10-16 09:59:51,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:59:51,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 09:59:51,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:59:51,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 09:59:51,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=346, Unknown=9, NotChecked=38, Total=462 [2022-10-16 09:59:51,832 INFO L87 Difference]: Start difference. First operand 83 states and 97 transitions. Second operand has 22 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 20 states have internal predecessors, (44), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:59:53,858 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (and (forall ((|v_ULTIMATE.start_main_~i~1#1_15| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_15|)) (forall ((v_ArrVal_73 Int)) (< 0 (+ 9223372036854775809 (select (store .cse0 (+ (* |v_ULTIMATE.start_main_~i~1#1_15| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_73) |c_ULTIMATE.start_main_~#x~0#1.offset|)))))) (<= 0 (+ (select .cse0 0) 2147483648)) (<= 0 (+ (select .cse0 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4))) 2147483648)) (= |c_ULTIMATE.start_main_~i~1#1| 0) (= |c_ULTIMATE.start_main_#t~post4#1| 0) (= |c_ULTIMATE.start_main_~#x~0#1.offset| 0))) is different from false [2022-10-16 09:59:55,863 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (and (forall ((|v_ULTIMATE.start_main_~i~1#1_15| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_15|)) (forall ((v_ArrVal_73 Int)) (< 0 (+ 9223372036854775809 (select (store .cse0 (+ (* |v_ULTIMATE.start_main_~i~1#1_15| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_73) |c_ULTIMATE.start_main_~#x~0#1.offset|)))))) (<= 0 (+ (select .cse0 0) 2147483648)) (= |c_ULTIMATE.start_main_#t~post4#1| 0) (= |c_ULTIMATE.start_main_~#x~0#1.offset| 0))) is different from false [2022-10-16 09:59:57,883 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (and (forall ((|v_ULTIMATE.start_main_~i~1#1_15| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_15|)) (forall ((v_ArrVal_73 Int)) (< 0 (+ 9223372036854775809 (select (store .cse0 (+ (* |v_ULTIMATE.start_main_~i~1#1_15| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_73) |c_ULTIMATE.start_main_~#x~0#1.offset|)))))) (<= 1 |c_ULTIMATE.start_main_~i~1#1|) (<= 0 |c_ULTIMATE.start_main_#t~post4#1|) (<= 0 (+ (select .cse0 |c_ULTIMATE.start_main_~#x~0#1.offset|) 2147483648)) (= |c_ULTIMATE.start_main_~#x~0#1.offset| 0))) is different from false [2022-10-16 09:59:59,889 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (and (forall ((|v_ULTIMATE.start_main_~i~1#1_15| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_15|)) (forall ((v_ArrVal_73 Int)) (< 0 (+ 9223372036854775809 (select (store .cse0 (+ (* |v_ULTIMATE.start_main_~i~1#1_15| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_73) |c_ULTIMATE.start_main_~#x~0#1.offset|)))))) (<= 0 |c_ULTIMATE.start_main_#t~post4#1|) (<= 0 (+ (select .cse0 |c_ULTIMATE.start_main_~#x~0#1.offset|) 2147483648)) (= |c_ULTIMATE.start_main_~#x~0#1.offset| 0))) is different from false [2022-10-16 10:00:00,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:00:00,190 INFO L93 Difference]: Finished difference Result 99 states and 107 transitions. [2022-10-16 10:00:00,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 10:00:00,191 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 20 states have internal predecessors, (44), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-10-16 10:00:00,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:00:00,192 INFO L225 Difference]: With dead ends: 99 [2022-10-16 10:00:00,193 INFO L226 Difference]: Without dead ends: 98 [2022-10-16 10:00:00,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=108, Invalid=499, Unknown=13, NotChecked=250, Total=870 [2022-10-16 10:00:00,194 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 55 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 70 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 10:00:00,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 427 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 282 Invalid, 0 Unknown, 70 Unchecked, 0.2s Time] [2022-10-16 10:00:00,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-10-16 10:00:00,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 84. [2022-10-16 10:00:00,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 64 states have (on average 1.453125) internal successors, (93), 79 states have internal predecessors, (93), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 10:00:00,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 98 transitions. [2022-10-16 10:00:00,205 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 98 transitions. Word has length 19 [2022-10-16 10:00:00,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:00:00,205 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 98 transitions. [2022-10-16 10:00:00,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 20 states have internal predecessors, (44), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:00:00,206 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 98 transitions. [2022-10-16 10:00:00,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-16 10:00:00,207 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:00:00,207 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:00:00,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 10:00:00,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:00:00,423 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting mapsumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 10:00:00,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:00:00,424 INFO L85 PathProgramCache]: Analyzing trace with hash -2070137808, now seen corresponding path program 1 times [2022-10-16 10:00:00,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:00:00,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607169920] [2022-10-16 10:00:00,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:00:00,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:00:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:00:00,471 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 10:00:00,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:00:00,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607169920] [2022-10-16 10:00:00,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607169920] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 10:00:00,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 10:00:00,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 10:00:00,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366730013] [2022-10-16 10:00:00,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 10:00:00,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 10:00:00,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:00:00,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 10:00:00,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 10:00:00,474 INFO L87 Difference]: Start difference. First operand 84 states and 98 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 10:00:00,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:00:00,516 INFO L93 Difference]: Finished difference Result 102 states and 118 transitions. [2022-10-16 10:00:00,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 10:00:00,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 21 [2022-10-16 10:00:00,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:00:00,518 INFO L225 Difference]: With dead ends: 102 [2022-10-16 10:00:00,518 INFO L226 Difference]: Without dead ends: 100 [2022-10-16 10:00:00,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 10:00:00,524 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 8 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 10:00:00,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 122 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 10:00:00,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-10-16 10:00:00,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 92. [2022-10-16 10:00:00,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 72 states have (on average 1.4305555555555556) internal successors, (103), 87 states have internal predecessors, (103), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 10:00:00,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 108 transitions. [2022-10-16 10:00:00,546 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 108 transitions. Word has length 21 [2022-10-16 10:00:00,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:00:00,546 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 108 transitions. [2022-10-16 10:00:00,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 10:00:00,546 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 108 transitions. [2022-10-16 10:00:00,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 10:00:00,547 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:00:00,548 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1] [2022-10-16 10:00:00,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 10:00:00,548 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 10:00:00,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:00:00,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1446613564, now seen corresponding path program 2 times [2022-10-16 10:00:00,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:00:00,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104456934] [2022-10-16 10:00:00,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:00:00,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:00:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:00:00,680 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:00:00,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:00:00,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104456934] [2022-10-16 10:00:00,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104456934] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:00:00,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004729140] [2022-10-16 10:00:00,681 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 10:00:00,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:00:00,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:00:00,682 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 10:00:00,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 10:00:00,730 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 10:00:00,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 10:00:00,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 10:00:00,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:00:00,786 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-16 10:00:00,787 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:00:00,852 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-16 10:00:00,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004729140] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:00:00,853 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:00:00,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2022-10-16 10:00:00,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910342641] [2022-10-16 10:00:00,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:00:00,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 10:00:00,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:00:00,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 10:00:00,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-10-16 10:00:00,855 INFO L87 Difference]: Start difference. First operand 92 states and 108 transitions. Second operand has 15 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 15 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:00:01,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:00:01,144 INFO L93 Difference]: Finished difference Result 182 states and 221 transitions. [2022-10-16 10:00:01,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 10:00:01,145 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 15 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-10-16 10:00:01,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:00:01,147 INFO L225 Difference]: With dead ends: 182 [2022-10-16 10:00:01,147 INFO L226 Difference]: Without dead ends: 179 [2022-10-16 10:00:01,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=207, Invalid=495, Unknown=0, NotChecked=0, Total=702 [2022-10-16 10:00:01,149 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 264 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 10:00:01,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 154 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 10:00:01,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-10-16 10:00:01,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 79. [2022-10-16 10:00:01,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 62 states have (on average 1.4193548387096775) internal successors, (88), 74 states have internal predecessors, (88), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 10:00:01,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 93 transitions. [2022-10-16 10:00:01,160 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 93 transitions. Word has length 22 [2022-10-16 10:00:01,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:00:01,161 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 93 transitions. [2022-10-16 10:00:01,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 15 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:00:01,161 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2022-10-16 10:00:01,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 10:00:01,162 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:00:01,162 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:00:01,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 10:00:01,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:00:01,377 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 10:00:01,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:00:01,378 INFO L85 PathProgramCache]: Analyzing trace with hash -854819274, now seen corresponding path program 1 times [2022-10-16 10:00:01,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:00:01,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484688261] [2022-10-16 10:00:01,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:00:01,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:00:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:00:01,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 10:00:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:00:01,468 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 10:00:01,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:00:01,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484688261] [2022-10-16 10:00:01,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484688261] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 10:00:01,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 10:00:01,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 10:00:01,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876618185] [2022-10-16 10:00:01,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 10:00:01,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 10:00:01,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:00:01,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 10:00:01,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 10:00:01,471 INFO L87 Difference]: Start difference. First operand 79 states and 93 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 10:00:01,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:00:01,530 INFO L93 Difference]: Finished difference Result 128 states and 148 transitions. [2022-10-16 10:00:01,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 10:00:01,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-10-16 10:00:01,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:00:01,532 INFO L225 Difference]: With dead ends: 128 [2022-10-16 10:00:01,532 INFO L226 Difference]: Without dead ends: 79 [2022-10-16 10:00:01,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 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 10:00:01,534 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 57 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 10:00:01,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 85 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 10:00:01,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-10-16 10:00:01,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2022-10-16 10:00:01,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 72 states have internal predecessors, (84), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 10:00:01,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 89 transitions. [2022-10-16 10:00:01,541 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 89 transitions. Word has length 25 [2022-10-16 10:00:01,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:00:01,542 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 89 transitions. [2022-10-16 10:00:01,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 10:00:01,542 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2022-10-16 10:00:01,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 10:00:01,543 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:00:01,543 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:00:01,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 10:00:01,544 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 10:00:01,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:00:01,544 INFO L85 PathProgramCache]: Analyzing trace with hash -39983674, now seen corresponding path program 1 times [2022-10-16 10:00:01,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:00:01,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767217074] [2022-10-16 10:00:01,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:00:01,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:00:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:00:01,976 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:00:01,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:00:01,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767217074] [2022-10-16 10:00:01,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767217074] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:00:01,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189387558] [2022-10-16 10:00:01,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:00:01,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:00:01,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:00:01,979 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 10:00:01,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 10:00:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:00:02,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-16 10:00:02,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:00:02,054 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-10-16 10:00:02,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:00:02,124 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 10:00:02,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 10:00:02,201 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 10:00:02,202 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 10 [2022-10-16 10:00:02,281 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:00:02,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:00:04,488 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~1#1_24| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_24|)) (forall ((v_ArrVal_128 Int)) (< (select (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|) (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_24| 4)) v_ArrVal_128) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775807)))) is different from false [2022-10-16 10:00:12,358 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2022-10-16 10:00:12,363 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 54 [2022-10-16 10:00:12,398 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-10-16 10:00:12,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189387558] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:00:12,399 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:00:12,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 29 [2022-10-16 10:00:12,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909770643] [2022-10-16 10:00:12,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:00:12,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-10-16 10:00:12,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:00:12,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-10-16 10:00:12,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=685, Unknown=13, NotChecked=54, Total=870 [2022-10-16 10:00:12,402 INFO L87 Difference]: Start difference. First operand 77 states and 89 transitions. Second operand has 30 states, 29 states have (on average 2.0344827586206895) internal successors, (59), 28 states have internal predecessors, (59), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:00:14,424 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (and (<= (select .cse0 0) 2147483647) (= |c_ULTIMATE.start_main_~i~1#1| 0) (= |c_ULTIMATE.start_main_#t~post4#1| 0) (= |c_ULTIMATE.start_main_~#x~0#1.offset| 0) (forall ((|v_ULTIMATE.start_main_~i~1#1_24| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_24|)) (forall ((v_ArrVal_128 Int)) (< (select (store .cse0 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_24| 4)) v_ArrVal_128) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775807)))) (<= (select .cse0 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4))) 2147483647))) is different from false [2022-10-16 10:00:16,432 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (and (<= (select .cse0 0) 2147483647) (= |c_ULTIMATE.start_main_#t~post4#1| 0) (= |c_ULTIMATE.start_main_~#x~0#1.offset| 0) (forall ((|v_ULTIMATE.start_main_~i~1#1_24| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_24|)) (forall ((v_ArrVal_128 Int)) (< (select (store .cse0 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_24| 4)) v_ArrVal_128) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775807)))))) is different from false [2022-10-16 10:00:18,452 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (and (<= 1 |c_ULTIMATE.start_main_~i~1#1|) (<= 0 |c_ULTIMATE.start_main_#t~post4#1|) (<= (select .cse0 |c_ULTIMATE.start_main_~#x~0#1.offset|) 2147483647) (= |c_ULTIMATE.start_main_~#x~0#1.offset| 0) (forall ((|v_ULTIMATE.start_main_~i~1#1_24| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_24|)) (forall ((v_ArrVal_128 Int)) (< (select (store .cse0 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_24| 4)) v_ArrVal_128) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775807)))))) is different from false [2022-10-16 10:00:20,455 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (and (<= 0 |c_ULTIMATE.start_main_#t~post4#1|) (<= (select .cse0 |c_ULTIMATE.start_main_~#x~0#1.offset|) 2147483647) (= |c_ULTIMATE.start_main_~#x~0#1.offset| 0) (forall ((|v_ULTIMATE.start_main_~i~1#1_24| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_24|)) (forall ((v_ArrVal_128 Int)) (< (select (store .cse0 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_24| 4)) v_ArrVal_128) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775807)))))) is different from false [2022-10-16 10:00:21,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:00:21,514 INFO L93 Difference]: Finished difference Result 97 states and 102 transitions. [2022-10-16 10:00:21,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-16 10:00:21,515 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 2.0344827586206895) internal successors, (59), 28 states have internal predecessors, (59), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-10-16 10:00:21,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:00:21,516 INFO L225 Difference]: With dead ends: 97 [2022-10-16 10:00:21,516 INFO L226 Difference]: Without dead ends: 96 [2022-10-16 10:00:21,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 19.0s TimeCoverageRelationStatistics Valid=239, Invalid=1169, Unknown=18, NotChecked=380, Total=1806 [2022-10-16 10:00:21,518 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 119 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 90 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 10:00:21,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 336 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 363 Invalid, 0 Unknown, 90 Unchecked, 0.2s Time] [2022-10-16 10:00:21,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-10-16 10:00:21,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 79. [2022-10-16 10:00:21,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 64 states have (on average 1.359375) internal successors, (87), 74 states have internal predecessors, (87), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 10:00:21,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 92 transitions. [2022-10-16 10:00:21,525 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 92 transitions. Word has length 24 [2022-10-16 10:00:21,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:00:21,526 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 92 transitions. [2022-10-16 10:00:21,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 2.0344827586206895) internal successors, (59), 28 states have internal predecessors, (59), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:00:21,526 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2022-10-16 10:00:21,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 10:00:21,527 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:00:21,527 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:00:21,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 10:00:21,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:00:21,742 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 10:00:21,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:00:21,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1239493852, now seen corresponding path program 1 times [2022-10-16 10:00:21,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:00:21,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32831475] [2022-10-16 10:00:21,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:00:21,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:00:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:00:21,821 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 10:00:21,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:00:21,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32831475] [2022-10-16 10:00:21,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32831475] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:00:21,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134355409] [2022-10-16 10:00:21,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:00:21,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:00:21,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:00:21,823 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 10:00:21,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 10:00:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:00:21,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 10:00:21,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:00:21,947 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 10:00:21,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 10:00:21,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134355409] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 10:00:21,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 10:00:21,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2022-10-16 10:00:21,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813384143] [2022-10-16 10:00:21,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 10:00:21,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 10:00:21,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:00:21,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 10:00:21,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-10-16 10:00:21,949 INFO L87 Difference]: Start difference. First operand 79 states and 92 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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 10:00:22,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:00:22,009 INFO L93 Difference]: Finished difference Result 81 states and 92 transitions. [2022-10-16 10:00:22,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 10:00:22,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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 25 [2022-10-16 10:00:22,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:00:22,011 INFO L225 Difference]: With dead ends: 81 [2022-10-16 10:00:22,011 INFO L226 Difference]: Without dead ends: 79 [2022-10-16 10:00:22,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-10-16 10:00:22,012 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 24 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 10:00:22,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 123 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 10:00:22,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-10-16 10:00:22,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2022-10-16 10:00:22,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 71 states have internal predecessors, (82), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 10:00:22,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 87 transitions. [2022-10-16 10:00:22,020 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 87 transitions. Word has length 25 [2022-10-16 10:00:22,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:00:22,020 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 87 transitions. [2022-10-16 10:00:22,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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 10:00:22,020 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 87 transitions. [2022-10-16 10:00:22,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 10:00:22,021 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:00:22,021 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:00:22,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 10:00:22,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-10-16 10:00:22,235 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 10:00:22,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:00:22,236 INFO L85 PathProgramCache]: Analyzing trace with hash 230396296, now seen corresponding path program 1 times [2022-10-16 10:00:22,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:00:22,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424433452] [2022-10-16 10:00:22,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:00:22,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:00:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:00:22,990 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:00:22,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:00:22,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424433452] [2022-10-16 10:00:22,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424433452] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:00:22,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854936560] [2022-10-16 10:00:22,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:00:22,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:00:22,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:00:22,992 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 10:00:22,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 10:00:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:00:23,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-16 10:00:23,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:00:23,059 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-10-16 10:00:23,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:00:23,105 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 10:00:23,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:00:23,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:00:23,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 10:00:23,713 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 10:00:23,713 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 16 [2022-10-16 10:00:23,742 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:00:23,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:00:24,247 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2022-10-16 10:00:24,264 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 10:00:24,265 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 322 treesize of output 298 [2022-10-16 10:00:24,369 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:00:24,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854936560] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:00:24,369 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:00:24,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 34 [2022-10-16 10:00:24,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864833981] [2022-10-16 10:00:24,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:00:24,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-10-16 10:00:24,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:00:24,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-10-16 10:00:24,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1074, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 10:00:24,372 INFO L87 Difference]: Start difference. First operand 76 states and 87 transitions. Second operand has 35 states, 34 states have (on average 1.9411764705882353) internal successors, (66), 32 states have internal predecessors, (66), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:00:24,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:00:24,906 INFO L93 Difference]: Finished difference Result 145 states and 169 transitions. [2022-10-16 10:00:24,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 10:00:24,907 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 1.9411764705882353) internal successors, (66), 32 states have internal predecessors, (66), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-10-16 10:00:24,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:00:24,908 INFO L225 Difference]: With dead ends: 145 [2022-10-16 10:00:24,908 INFO L226 Difference]: Without dead ends: 144 [2022-10-16 10:00:24,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=165, Invalid=1395, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 10:00:24,910 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 30 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 219 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 10:00:24,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 786 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 435 Invalid, 0 Unknown, 219 Unchecked, 0.3s Time] [2022-10-16 10:00:24,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-10-16 10:00:24,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 114. [2022-10-16 10:00:24,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 98 states have (on average 1.2653061224489797) internal successors, (124), 106 states have internal predecessors, (124), 6 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 10:00:24,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 135 transitions. [2022-10-16 10:00:24,924 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 135 transitions. Word has length 26 [2022-10-16 10:00:24,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:00:24,925 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 135 transitions. [2022-10-16 10:00:24,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 1.9411764705882353) internal successors, (66), 32 states have internal predecessors, (66), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:00:24,925 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 135 transitions. [2022-10-16 10:00:24,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 10:00:24,926 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:00:24,926 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:00:24,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 10:00:25,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-10-16 10:00:25,140 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting mapsumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 10:00:25,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:00:25,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1447649370, now seen corresponding path program 1 times [2022-10-16 10:00:25,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:00:25,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148431110] [2022-10-16 10:00:25,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:00:25,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:00:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:00:25,756 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:00:25,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:00:25,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148431110] [2022-10-16 10:00:25,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148431110] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:00:25,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677540778] [2022-10-16 10:00:25,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:00:25,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:00:25,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:00:25,758 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 10:00:25,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 10:00:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:00:25,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-16 10:00:25,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:00:25,839 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-10-16 10:00:25,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:00:25,913 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-10-16 10:00:26,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:00:26,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:00:26,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 10:00:26,546 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 10:00:26,547 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 20 [2022-10-16 10:00:26,582 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:00:26,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:00:27,097 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2022-10-16 10:00:27,106 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 10:00:27,107 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 343 treesize of output 319 [2022-10-16 10:00:27,263 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:00:27,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677540778] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:00:27,263 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:00:27,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 34 [2022-10-16 10:00:27,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227390768] [2022-10-16 10:00:27,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:00:27,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-10-16 10:00:27,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:00:27,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-10-16 10:00:27,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1075, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 10:00:27,266 INFO L87 Difference]: Start difference. First operand 114 states and 135 transitions. Second operand has 35 states, 34 states have (on average 2.0294117647058822) internal successors, (69), 32 states have internal predecessors, (69), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:00:27,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:00:27,792 INFO L93 Difference]: Finished difference Result 144 states and 166 transitions. [2022-10-16 10:00:27,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 10:00:27,793 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 2.0294117647058822) internal successors, (69), 32 states have internal predecessors, (69), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-10-16 10:00:27,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:00:27,794 INFO L225 Difference]: With dead ends: 144 [2022-10-16 10:00:27,794 INFO L226 Difference]: Without dead ends: 143 [2022-10-16 10:00:27,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=164, Invalid=1396, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 10:00:27,796 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 23 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 189 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 10:00:27,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 698 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 388 Invalid, 0 Unknown, 189 Unchecked, 0.3s Time] [2022-10-16 10:00:27,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-10-16 10:00:27,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 116. [2022-10-16 10:00:27,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 100 states have (on average 1.26) internal successors, (126), 108 states have internal predecessors, (126), 6 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 10:00:27,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 137 transitions. [2022-10-16 10:00:27,812 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 137 transitions. Word has length 27 [2022-10-16 10:00:27,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:00:27,812 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 137 transitions. [2022-10-16 10:00:27,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 2.0294117647058822) internal successors, (69), 32 states have internal predecessors, (69), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 10:00:27,813 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 137 transitions. [2022-10-16 10:00:27,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-16 10:00:27,814 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:00:27,814 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:00:27,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-16 10:00:28,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 10:00:28,029 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting mapsumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 10:00:28,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:00:28,030 INFO L85 PathProgramCache]: Analyzing trace with hash 378360872, now seen corresponding path program 1 times [2022-10-16 10:00:28,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:00:28,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309487953] [2022-10-16 10:00:28,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:00:28,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:00:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:00:28,110 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 10:00:28,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:00:28,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309487953] [2022-10-16 10:00:28,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309487953] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:00:28,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854121550] [2022-10-16 10:00:28,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:00:28,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:00:28,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:00:28,113 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 10:00:28,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 10:00:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:00:28,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 10:00:28,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:00:28,209 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 10:00:28,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:00:28,248 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 10:00:28,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854121550] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:00:28,249 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:00:28,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 10:00:28,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894998553] [2022-10-16 10:00:28,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:00:28,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 10:00:28,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:00:28,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 10:00:28,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-16 10:00:28,252 INFO L87 Difference]: Start difference. First operand 116 states and 137 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 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 10:00:28,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:00:28,392 INFO L93 Difference]: Finished difference Result 193 states and 239 transitions. [2022-10-16 10:00:28,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 10:00:28,392 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 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 29 [2022-10-16 10:00:28,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:00:28,395 INFO L225 Difference]: With dead ends: 193 [2022-10-16 10:00:28,395 INFO L226 Difference]: Without dead ends: 192 [2022-10-16 10:00:28,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-10-16 10:00:28,396 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 48 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 10:00:28,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 204 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 10:00:28,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-10-16 10:00:28,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 161. [2022-10-16 10:00:28,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 145 states have (on average 1.3310344827586207) internal successors, (193), 153 states have internal predecessors, (193), 6 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 10:00:28,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 204 transitions. [2022-10-16 10:00:28,425 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 204 transitions. Word has length 29 [2022-10-16 10:00:28,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:00:28,427 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 204 transitions. [2022-10-16 10:00:28,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 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 10:00:28,427 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 204 transitions. [2022-10-16 10:00:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-16 10:00:28,432 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:00:28,432 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:00:28,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-16 10:00:28,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-10-16 10:00:28,640 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 10:00:28,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:00:28,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1057168850, now seen corresponding path program 1 times [2022-10-16 10:00:28,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:00:28,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112270565] [2022-10-16 10:00:28,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:00:28,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:00:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:00:28,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 10:00:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:00:28,745 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 10:00:28,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:00:28,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112270565] [2022-10-16 10:00:28,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112270565] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:00:28,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375565045] [2022-10-16 10:00:28,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:00:28,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:00:28,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:00:28,747 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 10:00:28,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 10:00:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:00:28,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 10:00:28,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:00:28,894 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 10:00:28,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:00:29,014 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 10:00:29,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375565045] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:00:29,015 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:00:29,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2022-10-16 10:00:29,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004671174] [2022-10-16 10:00:29,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:00:29,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 10:00:29,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:00:29,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 10:00:29,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2022-10-16 10:00:29,017 INFO L87 Difference]: Start difference. First operand 161 states and 204 transitions. Second operand has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 10:00:29,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:00:29,165 INFO L93 Difference]: Finished difference Result 250 states and 313 transitions. [2022-10-16 10:00:29,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 10:00:29,165 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-10-16 10:00:29,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:00:29,167 INFO L225 Difference]: With dead ends: 250 [2022-10-16 10:00:29,167 INFO L226 Difference]: Without dead ends: 166 [2022-10-16 10:00:29,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 58 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2022-10-16 10:00:29,168 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 99 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 10:00:29,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 125 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 10:00:29,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-10-16 10:00:29,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 161. [2022-10-16 10:00:29,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 145 states have (on average 1.303448275862069) internal successors, (189), 153 states have internal predecessors, (189), 6 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 10:00:29,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 200 transitions. [2022-10-16 10:00:29,192 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 200 transitions. Word has length 33 [2022-10-16 10:00:29,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:00:29,192 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 200 transitions. [2022-10-16 10:00:29,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 10:00:29,193 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 200 transitions. [2022-10-16 10:00:29,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-16 10:00:29,193 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:00:29,194 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:00:29,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 10:00:29,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-10-16 10:00:29,408 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 10:00:29,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:00:29,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1754604238, now seen corresponding path program 2 times [2022-10-16 10:00:29,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:00:29,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484718137] [2022-10-16 10:00:29,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:00:29,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:00:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:00:29,581 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:00:29,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:00:29,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484718137] [2022-10-16 10:00:29,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484718137] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:00:29,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297750024] [2022-10-16 10:00:29,582 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 10:00:29,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:00:29,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:00:29,583 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 10:00:29,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 10:00:29,646 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 10:00:29,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 10:00:29,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 10:00:29,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:00:29,797 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:00:29,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:00:29,908 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:00:29,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297750024] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:00:29,909 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:00:29,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 22 [2022-10-16 10:00:29,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834383913] [2022-10-16 10:00:29,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:00:29,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 10:00:29,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:00:29,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 10:00:29,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2022-10-16 10:00:29,911 INFO L87 Difference]: Start difference. First operand 161 states and 200 transitions. Second operand has 22 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 22 states have internal predecessors, (63), 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 10:00:30,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:00:30,267 INFO L93 Difference]: Finished difference Result 316 states and 385 transitions. [2022-10-16 10:00:30,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 10:00:30,268 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 22 states have internal predecessors, (63), 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 32 [2022-10-16 10:00:30,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:00:30,270 INFO L225 Difference]: With dead ends: 316 [2022-10-16 10:00:30,270 INFO L226 Difference]: Without dead ends: 226 [2022-10-16 10:00:30,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 46 SyntacticMatches, 9 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=585, Unknown=0, NotChecked=0, Total=702 [2022-10-16 10:00:30,272 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 85 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 10:00:30,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 294 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 10:00:30,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-10-16 10:00:30,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 217. [2022-10-16 10:00:30,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 197 states have (on average 1.2741116751269035) internal successors, (251), 205 states have internal predecessors, (251), 8 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-10-16 10:00:30,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 265 transitions. [2022-10-16 10:00:30,311 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 265 transitions. Word has length 32 [2022-10-16 10:00:30,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:00:30,312 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 265 transitions. [2022-10-16 10:00:30,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 22 states have internal predecessors, (63), 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 10:00:30,312 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 265 transitions. [2022-10-16 10:00:30,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 10:00:30,313 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:00:30,313 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:00:30,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-10-16 10:00:30,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 10:00:30,526 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 10:00:30,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:00:30,527 INFO L85 PathProgramCache]: Analyzing trace with hash -124566528, now seen corresponding path program 2 times [2022-10-16 10:00:30,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:00:30,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714817278] [2022-10-16 10:00:30,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:00:30,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:00:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:00:31,550 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:00:31,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:00:31,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714817278] [2022-10-16 10:00:31,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714817278] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:00:31,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461681189] [2022-10-16 10:00:31,550 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 10:00:31,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:00:31,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:00:31,556 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 10:00:31,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 10:00:31,613 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 10:00:31,613 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 10:00:31,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-16 10:00:31,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:00:31,631 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-10-16 10:00:31,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:00:31,672 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 10:00:31,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:00:31,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:00:31,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:00:31,874 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 10:00:31,874 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36 [2022-10-16 10:00:32,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:00:32,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:00:32,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:00:32,055 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 10:00:32,055 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36 [2022-10-16 10:00:32,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 10:00:32,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:00:32,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 10:00:32,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 10:00:32,767 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 10:00:32,768 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 23 [2022-10-16 10:00:32,807 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:00:32,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:00:37,285 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~1#1_40| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_40|)) (forall ((v_ArrVal_242 Int)) (< (let ((.cse0 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~1#1_40| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_242))) (+ (select .cse0 |c_ULTIMATE.start_main_~#x~0#1.offset|) (select .cse0 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| 4)))) 9223372036854775807)))) is different from false [2022-10-16 10:01:45,437 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~1#1_41| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_41|)) (forall ((v_ArrVal_242 Int) (v_ArrVal_240 Int) (|v_ULTIMATE.start_main_~i~1#1_40| Int)) (or (< |v_ULTIMATE.start_main_~i~1#1_40| (+ |v_ULTIMATE.start_main_~i~1#1_41| 1)) (< (let ((.cse0 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~1#1_41| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_240) (+ (* |v_ULTIMATE.start_main_~i~1#1_40| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_242))) (+ (select .cse0 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| 4)) (select .cse0 |c_ULTIMATE.start_main_~#x~0#1.offset|))) 9223372036854775807))))) is different from false