/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/mapsum4.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 09:59:15,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 09:59:15,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 09:59:15,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 09:59:15,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 09:59:15,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 09:59:15,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 09:59:15,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 09:59:15,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 09:59:15,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 09:59:15,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 09:59:15,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 09:59:15,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 09:59:15,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 09:59:15,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 09:59:15,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 09:59:15,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 09:59:15,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 09:59:15,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 09:59:15,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 09:59:15,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 09:59:15,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 09:59:15,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 09:59:15,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 09:59:15,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 09:59:15,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 09:59:15,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 09:59:15,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 09:59:15,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 09:59:15,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 09:59:15,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 09:59:15,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 09:59:15,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 09:59:15,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 09:59:15,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 09:59:15,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 09:59:15,453 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 09:59:15,482 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 09:59:15,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 09:59:15,483 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 09:59:15,484 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 09:59:15,484 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 09:59:15,485 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 09:59:15,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 09:59:15,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 09:59:15,486 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 09:59:15,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 09:59:15,487 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 09:59:15,487 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 09:59:15,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 09:59:15,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 09:59:15,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 09:59:15,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 09:59:15,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 09:59:15,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 09:59:15,489 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 09:59:15,489 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 09:59:15,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 09:59:15,490 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 09:59:15,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 09:59:15,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 09:59:15,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 09:59:15,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 09:59:15,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 09:59:15,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 09:59:15,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 09:59:15,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 09:59:15,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 09:59:15,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 09:59:15,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 09:59:15,493 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 09:59:15,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 09:59:15,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 09:59:15,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 09:59:15,934 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 09:59:15,935 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 09:59:15,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/mapsum4.i [2022-10-16 09:59:16,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e1ccdf01/d4596bcacf724e98b3e5654f9ac928d3/FLAG0c2d63b96 [2022-10-16 09:59:16,646 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 09:59:16,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/mapsum4.i [2022-10-16 09:59:16,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e1ccdf01/d4596bcacf724e98b3e5654f9ac928d3/FLAG0c2d63b96 [2022-10-16 09:59:17,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e1ccdf01/d4596bcacf724e98b3e5654f9ac928d3 [2022-10-16 09:59:17,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 09:59:17,044 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 09:59:17,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 09:59:17,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 09:59:17,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 09:59:17,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:59:17" (1/1) ... [2022-10-16 09:59:17,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52ee1646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:17, skipping insertion in model container [2022-10-16 09:59:17,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:59:17" (1/1) ... [2022-10-16 09:59:17,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 09:59:17,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 09:59:17,362 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/mapsum4.i[1318,1331] [2022-10-16 09:59:17,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 09:59:17,379 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 09:59:17,412 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/mapsum4.i[1318,1331] [2022-10-16 09:59:17,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 09:59:17,429 INFO L208 MainTranslator]: Completed translation [2022-10-16 09:59:17,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:17 WrapperNode [2022-10-16 09:59:17,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 09:59:17,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 09:59:17,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 09:59:17,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 09:59:17,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:17" (1/1) ... [2022-10-16 09:59:17,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:17" (1/1) ... [2022-10-16 09:59:17,472 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 73 [2022-10-16 09:59:17,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 09:59:17,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 09:59:17,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 09:59:17,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 09:59:17,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:17" (1/1) ... [2022-10-16 09:59:17,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:17" (1/1) ... [2022-10-16 09:59:17,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:17" (1/1) ... [2022-10-16 09:59:17,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:17" (1/1) ... [2022-10-16 09:59:17,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:17" (1/1) ... [2022-10-16 09:59:17,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:17" (1/1) ... [2022-10-16 09:59:17,499 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:17" (1/1) ... [2022-10-16 09:59:17,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:17" (1/1) ... [2022-10-16 09:59:17,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 09:59:17,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 09:59:17,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 09:59:17,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 09:59:17,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:17" (1/1) ... [2022-10-16 09:59:17,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 09:59:17,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:59:17,554 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 09:59:17,559 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 09:59:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 09:59:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure mapsum [2022-10-16 09:59:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure mapsum [2022-10-16 09:59:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 09:59:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 09:59:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 09:59:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 09:59:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 09:59:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 09:59:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 09:59:17,687 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 09:59:17,690 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 09:59:17,968 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 09:59:17,984 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 09:59:17,985 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-16 09:59:17,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:59:17 BoogieIcfgContainer [2022-10-16 09:59:17,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 09:59:17,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 09:59:17,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 09:59:18,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 09:59:18,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 09:59:17" (1/3) ... [2022-10-16 09:59:18,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a699346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 09:59:18, skipping insertion in model container [2022-10-16 09:59:18,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:59:17" (2/3) ... [2022-10-16 09:59:18,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a699346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 09:59:18, skipping insertion in model container [2022-10-16 09:59:18,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:59:17" (3/3) ... [2022-10-16 09:59:18,020 INFO L112 eAbstractionObserver]: Analyzing ICFG mapsum4.i [2022-10-16 09:59:18,047 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 09:59:18,047 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-10-16 09:59:18,109 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 09:59:18,118 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;@49e4ba21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 09:59:18,119 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-10-16 09:59:18,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 43 states have internal predecessors, (50), 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 09:59:18,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 09:59:18,132 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:59:18,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 09:59:18,134 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:59:18,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:59:18,141 INFO L85 PathProgramCache]: Analyzing trace with hash 55419268, now seen corresponding path program 1 times [2022-10-16 09:59:18,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:59:18,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90048279] [2022-10-16 09:59:18,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:18,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:18,572 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 09:59:18,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:59:18,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90048279] [2022-10-16 09:59:18,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90048279] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 09:59:18,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 09:59:18,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 09:59:18,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922355975] [2022-10-16 09:59:18,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 09:59:18,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 09:59:18,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:59:18,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 09:59:18,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 09:59:18,622 INFO L87 Difference]: Start difference. First operand has 48 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 43 states have internal predecessors, (50), 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 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:59:18,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:59:18,702 INFO L93 Difference]: Finished difference Result 94 states and 113 transitions. [2022-10-16 09:59:18,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 09:59:18,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-10-16 09:59:18,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:59:18,716 INFO L225 Difference]: With dead ends: 94 [2022-10-16 09:59:18,716 INFO L226 Difference]: Without dead ends: 46 [2022-10-16 09:59:18,721 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 09:59:18,725 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 3 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 09:59:18,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 140 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 09:59:18,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-10-16 09:59:18,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-10-16 09:59:18,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.5) internal successors, (45), 42 states have internal predecessors, (45), 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 09:59:18,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2022-10-16 09:59:18,777 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 5 [2022-10-16 09:59:18,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:59:18,778 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2022-10-16 09:59:18,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:59:18,778 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2022-10-16 09:59:18,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 09:59:18,779 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:59:18,779 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2022-10-16 09:59:18,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 09:59:18,780 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:59:18,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:59:18,781 INFO L85 PathProgramCache]: Analyzing trace with hash 2029775616, now seen corresponding path program 1 times [2022-10-16 09:59:18,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:59:18,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850019149] [2022-10-16 09:59:18,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:18,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:18,863 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 09:59:18,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:59:18,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850019149] [2022-10-16 09:59:18,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850019149] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 09:59:18,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 09:59:18,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 09:59:18,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322472892] [2022-10-16 09:59:18,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 09:59:18,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 09:59:18,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:59:18,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 09:59:18,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 09:59:18,868 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:59:18,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:59:18,899 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2022-10-16 09:59:18,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 09:59:18,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 09:59:18,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:59:18,902 INFO L225 Difference]: With dead ends: 46 [2022-10-16 09:59:18,903 INFO L226 Difference]: Without dead ends: 45 [2022-10-16 09:59:18,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 09:59:18,907 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 5 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 09:59:18,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 117 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 09:59:18,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-10-16 09:59:18,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-10-16 09:59:18,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 41 states have internal predecessors, (44), 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 09:59:18,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2022-10-16 09:59:18,927 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 9 [2022-10-16 09:59:18,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:59:18,928 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2022-10-16 09:59:18,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 09:59:18,928 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2022-10-16 09:59:18,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 09:59:18,932 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:59:18,932 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:59:18,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 09:59:18,935 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:59:18,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:59:18,938 INFO L85 PathProgramCache]: Analyzing trace with hash 698698792, now seen corresponding path program 1 times [2022-10-16 09:59:18,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:59:18,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914755342] [2022-10-16 09:59:18,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:18,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:19,069 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 09:59:19,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:59:19,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914755342] [2022-10-16 09:59:19,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914755342] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:59:19,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875497540] [2022-10-16 09:59:19,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:19,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:59:19,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:59:19,073 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 09:59:19,098 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 09:59:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:19,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 09:59:19,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:59:19,269 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 09:59:19,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:59:19,310 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 09:59:19,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875497540] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:59:19,311 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:59:19,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-10-16 09:59:19,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511522669] [2022-10-16 09:59:19,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:59:19,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 09:59:19,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:59:19,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 09:59:19,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-10-16 09:59:19,314 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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 09:59:19,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:59:19,392 INFO L93 Difference]: Finished difference Result 85 states and 94 transitions. [2022-10-16 09:59:19,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 09:59:19,393 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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 11 [2022-10-16 09:59:19,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:59:19,394 INFO L225 Difference]: With dead ends: 85 [2022-10-16 09:59:19,394 INFO L226 Difference]: Without dead ends: 51 [2022-10-16 09:59:19,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-10-16 09:59:19,397 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 16 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 09:59:19,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 272 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 09:59:19,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-10-16 09:59:19,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 50. [2022-10-16 09:59:19,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 46 states have internal predecessors, (50), 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 09:59:19,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2022-10-16 09:59:19,406 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 11 [2022-10-16 09:59:19,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:59:19,407 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2022-10-16 09:59:19,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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 09:59:19,407 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2022-10-16 09:59:19,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 09:59:19,408 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:59:19,408 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2022-10-16 09:59:19,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 09:59:19,621 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 09:59:19,622 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:59:19,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:59:19,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1501465270, now seen corresponding path program 1 times [2022-10-16 09:59:19,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:59:19,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031894731] [2022-10-16 09:59:19,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:19,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:19,784 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 09:59:19,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:59:19,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031894731] [2022-10-16 09:59:19,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031894731] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:59:19,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745404673] [2022-10-16 09:59:19,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:19,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:59:19,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:59:19,787 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 09:59:19,808 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 09:59:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:19,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 09:59:19,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:59:19,874 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 09:59:19,875 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 09:59:19,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745404673] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 09:59:19,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 09:59:19,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 09:59:19,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43652192] [2022-10-16 09:59:19,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 09:59:19,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 09:59:19,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:59:19,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 09:59:19,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 09:59:19,878 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:59:19,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:59:19,925 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2022-10-16 09:59:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 09:59:19,926 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 09:59:19,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:59:19,927 INFO L225 Difference]: With dead ends: 50 [2022-10-16 09:59:19,927 INFO L226 Difference]: Without dead ends: 49 [2022-10-16 09:59:19,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 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 09:59:19,929 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 34 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 09:59:19,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 137 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 09:59:19,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-10-16 09:59:19,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-10-16 09:59:19,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 45 states have internal predecessors, (48), 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 09:59:19,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2022-10-16 09:59:19,939 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 10 [2022-10-16 09:59:19,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:59:19,939 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2022-10-16 09:59:19,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:59:19,940 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2022-10-16 09:59:19,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 09:59:19,941 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:59:19,941 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:59:19,980 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 09:59:20,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-10-16 09:59:20,155 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:59:20,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:59:20,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1965762336, now seen corresponding path program 2 times [2022-10-16 09:59:20,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:59:20,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889134136] [2022-10-16 09:59:20,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:20,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:20,234 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 09:59:20,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:59:20,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889134136] [2022-10-16 09:59:20,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889134136] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 09:59:20,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 09:59:20,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 09:59:20,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748905158] [2022-10-16 09:59:20,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 09:59:20,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 09:59:20,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:59:20,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 09:59:20,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 09:59:20,239 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 09:59:20,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:59:20,272 INFO L93 Difference]: Finished difference Result 89 states and 100 transitions. [2022-10-16 09:59:20,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 09:59:20,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 19 [2022-10-16 09:59:20,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:59:20,274 INFO L225 Difference]: With dead ends: 89 [2022-10-16 09:59:20,274 INFO L226 Difference]: Without dead ends: 56 [2022-10-16 09:59:20,275 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 09:59:20,276 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 5 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 09:59:20,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 67 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 09:59:20,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-10-16 09:59:20,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2022-10-16 09:59:20,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 48 states have internal predecessors, (51), 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 09:59:20,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2022-10-16 09:59:20,286 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 19 [2022-10-16 09:59:20,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:59:20,286 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2022-10-16 09:59:20,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 09:59:20,287 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2022-10-16 09:59:20,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-16 09:59:20,287 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:59:20,288 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:59:20,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 09:59:20,288 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:59:20,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:59:20,289 INFO L85 PathProgramCache]: Analyzing trace with hash -688003998, now seen corresponding path program 1 times [2022-10-16 09:59:20,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:59:20,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546812513] [2022-10-16 09:59:20,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:20,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:20,428 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:20,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:59:20,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546812513] [2022-10-16 09:59:20,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546812513] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:59:20,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146911088] [2022-10-16 09:59:20,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:20,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:59:20,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:59:20,431 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 09:59:20,462 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 09:59:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:20,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 09:59:20,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:59:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:20,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:59:20,682 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:20,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146911088] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:59:20,683 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:59:20,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-10-16 09:59:20,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16310452] [2022-10-16 09:59:20,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:59:20,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 09:59:20,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:59:20,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 09:59:20,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-10-16 09:59:20,686 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand has 18 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 18 states have internal predecessors, (39), 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 09:59:20,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:59:20,810 INFO L93 Difference]: Finished difference Result 105 states and 116 transitions. [2022-10-16 09:59:20,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 09:59:20,811 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 18 states have internal predecessors, (39), 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 09:59:20,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:59:20,813 INFO L225 Difference]: With dead ends: 105 [2022-10-16 09:59:20,813 INFO L226 Difference]: Without dead ends: 68 [2022-10-16 09:59:20,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2022-10-16 09:59:20,815 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 29 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 09:59:20,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 348 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 09:59:20,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-10-16 09:59:20,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-10-16 09:59:20,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 64 states have internal predecessors, (67), 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 68 states to 68 states and 72 transitions. [2022-10-16 09:59:20,830 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 21 [2022-10-16 09:59:20,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:59:20,830 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2022-10-16 09:59:20,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 18 states have internal predecessors, (39), 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 68 states and 72 transitions. [2022-10-16 09:59:20,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-16 09:59:20,833 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:59:20,834 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:59:20,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 09:59:21,048 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 09:59:21,049 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:59:21,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:59:21,051 INFO L85 PathProgramCache]: Analyzing trace with hash -426084782, now seen corresponding path program 2 times [2022-10-16 09:59:21,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:59:21,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501321816] [2022-10-16 09:59:21,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:21,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:21,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:59:21,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501321816] [2022-10-16 09:59:21,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501321816] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:59:21,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261002428] [2022-10-16 09:59:21,365 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 09:59:21,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:59:21,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:59:21,367 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 09:59:21,391 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 09:59:21,442 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 09:59:21,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 09:59:21,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 09:59:21,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:59:21,521 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:21,521 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:59:21,805 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:21,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261002428] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:59:21,805 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:59:21,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2022-10-16 09:59:21,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11398452] [2022-10-16 09:59:21,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:59:21,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-10-16 09:59:21,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:59:21,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-10-16 09:59:21,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 09:59:21,809 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand has 34 states, 34 states have (on average 2.088235294117647) internal successors, (71), 34 states have internal predecessors, (71), 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 09:59:22,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:59:22,172 INFO L93 Difference]: Finished difference Result 137 states and 152 transitions. [2022-10-16 09:59:22,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-16 09:59:22,173 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.088235294117647) internal successors, (71), 34 states have internal predecessors, (71), 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 37 [2022-10-16 09:59:22,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:59:22,174 INFO L225 Difference]: With dead ends: 137 [2022-10-16 09:59:22,175 INFO L226 Difference]: Without dead ends: 100 [2022-10-16 09:59:22,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=659, Invalid=1597, Unknown=0, NotChecked=0, Total=2256 [2022-10-16 09:59:22,177 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 107 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 09:59:22,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 234 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 09:59:22,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-10-16 09:59:22,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2022-10-16 09:59:22,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 86 states have (on average 1.1511627906976745) internal successors, (99), 96 states have internal predecessors, (99), 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 09:59:22,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 104 transitions. [2022-10-16 09:59:22,189 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 104 transitions. Word has length 37 [2022-10-16 09:59:22,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:59:22,189 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 104 transitions. [2022-10-16 09:59:22,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.088235294117647) internal successors, (71), 34 states have internal predecessors, (71), 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 09:59:22,190 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 104 transitions. [2022-10-16 09:59:22,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 09:59:22,192 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:59:22,192 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:59:22,233 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 09:59:22,405 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 09:59:22,406 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:59:22,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:59:22,407 INFO L85 PathProgramCache]: Analyzing trace with hash -544343502, now seen corresponding path program 3 times [2022-10-16 09:59:22,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:59:22,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012503927] [2022-10-16 09:59:22,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:22,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:23,383 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:23,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:59:23,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012503927] [2022-10-16 09:59:23,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012503927] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:59:23,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454474679] [2022-10-16 09:59:23,384 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 09:59:23,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:59:23,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:59:23,386 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 09:59:23,407 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 09:59:23,612 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2022-10-16 09:59:23,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 09:59:23,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-16 09:59:23,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:59:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:23,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:59:24,795 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:24,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454474679] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:59:24,796 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:59:24,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 66 [2022-10-16 09:59:24,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497073665] [2022-10-16 09:59:24,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:59:24,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-10-16 09:59:24,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:59:24,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-10-16 09:59:24,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1122, Invalid=3168, Unknown=0, NotChecked=0, Total=4290 [2022-10-16 09:59:24,808 INFO L87 Difference]: Start difference. First operand 100 states and 104 transitions. Second operand has 66 states, 66 states have (on average 2.0454545454545454) internal successors, (135), 66 states have internal predecessors, (135), 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 09:59:25,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:59:25,751 INFO L93 Difference]: Finished difference Result 201 states and 224 transitions. [2022-10-16 09:59:25,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-10-16 09:59:25,752 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 2.0454545454545454) internal successors, (135), 66 states have internal predecessors, (135), 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 69 [2022-10-16 09:59:25,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:59:25,757 INFO L225 Difference]: With dead ends: 201 [2022-10-16 09:59:25,757 INFO L226 Difference]: Without dead ends: 164 [2022-10-16 09:59:25,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1991 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=2595, Invalid=6525, Unknown=0, NotChecked=0, Total=9120 [2022-10-16 09:59:25,765 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 235 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 09:59:25,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 427 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 09:59:25,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-10-16 09:59:25,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2022-10-16 09:59:25,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 150 states have (on average 1.0866666666666667) internal successors, (163), 160 states have internal predecessors, (163), 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 09:59:25,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 168 transitions. [2022-10-16 09:59:25,810 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 168 transitions. Word has length 69 [2022-10-16 09:59:25,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:59:25,811 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 168 transitions. [2022-10-16 09:59:25,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 2.0454545454545454) internal successors, (135), 66 states have internal predecessors, (135), 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 09:59:25,812 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 168 transitions. [2022-10-16 09:59:25,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-16 09:59:25,820 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:59:25,821 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:59:25,866 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 09:59:26,038 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 09:59:26,039 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:59:26,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:59:26,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1319206414, now seen corresponding path program 4 times [2022-10-16 09:59:26,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:59:26,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394215545] [2022-10-16 09:59:26,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:26,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:29,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:59:29,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394215545] [2022-10-16 09:59:29,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394215545] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:59:29,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561991539] [2022-10-16 09:59:29,215 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-10-16 09:59:29,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:59:29,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:59:29,219 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 09:59:29,243 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 09:59:29,392 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-10-16 09:59:29,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 09:59:29,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 64 conjunts are in the unsatisfiable core [2022-10-16 09:59:29,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:59:29,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:29,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:59:33,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:33,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561991539] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:59:33,580 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:59:33,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 130 [2022-10-16 09:59:33,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303137363] [2022-10-16 09:59:33,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:59:33,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2022-10-16 09:59:33,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:59:33,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2022-10-16 09:59:33,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4290, Invalid=12480, Unknown=0, NotChecked=0, Total=16770 [2022-10-16 09:59:33,590 INFO L87 Difference]: Start difference. First operand 164 states and 168 transitions. Second operand has 130 states, 130 states have (on average 2.023076923076923) internal successors, (263), 130 states have internal predecessors, (263), 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 09:59:36,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:59:36,936 INFO L93 Difference]: Finished difference Result 329 states and 368 transitions. [2022-10-16 09:59:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-10-16 09:59:36,937 INFO L78 Accepts]: Start accepts. Automaton has has 130 states, 130 states have (on average 2.023076923076923) internal successors, (263), 130 states have internal predecessors, (263), 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 133 [2022-10-16 09:59:36,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:59:36,940 INFO L225 Difference]: With dead ends: 329 [2022-10-16 09:59:36,940 INFO L226 Difference]: Without dead ends: 292 [2022-10-16 09:59:36,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8087 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=10307, Invalid=26365, Unknown=0, NotChecked=0, Total=36672 [2022-10-16 09:59:36,950 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 557 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 09:59:36,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 426 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 09:59:36,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2022-10-16 09:59:36,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2022-10-16 09:59:36,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 278 states have (on average 1.0467625899280575) internal successors, (291), 288 states have internal predecessors, (291), 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 09:59:36,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 296 transitions. [2022-10-16 09:59:36,968 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 296 transitions. Word has length 133 [2022-10-16 09:59:36,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:59:36,969 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 296 transitions. [2022-10-16 09:59:36,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 2.023076923076923) internal successors, (263), 130 states have internal predecessors, (263), 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 09:59:36,970 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 296 transitions. [2022-10-16 09:59:36,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-10-16 09:59:36,975 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:59:36,975 INFO L195 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:59:37,007 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 09:59:37,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:59:37,192 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:59:37,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:59:37,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1666870926, now seen corresponding path program 5 times [2022-10-16 09:59:37,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:59:37,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099275625] [2022-10-16 09:59:37,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:37,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:48,523 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:48,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:59:48,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099275625] [2022-10-16 09:59:48,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099275625] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:59:48,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794918407] [2022-10-16 09:59:48,524 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-10-16 09:59:48,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:59:48,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:59:48,525 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 09:59:48,526 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 10:02:04,731 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 64 check-sat command(s) [2022-10-16 10:02:04,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 10:02:04,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 128 conjunts are in the unsatisfiable core [2022-10-16 10:02:04,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 10:02:05,336 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:02:05,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 10:02:20,252 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:02:20,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794918407] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 10:02:20,252 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 10:02:20,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [129, 129, 129] total 258 [2022-10-16 10:02:20,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375415760] [2022-10-16 10:02:20,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 10:02:20,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 258 states [2022-10-16 10:02:20,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 10:02:20,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 258 interpolants. [2022-10-16 10:02:20,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16770, Invalid=49536, Unknown=0, NotChecked=0, Total=66306 [2022-10-16 10:02:20,268 INFO L87 Difference]: Start difference. First operand 292 states and 296 transitions. Second operand has 258 states, 258 states have (on average 2.011627906976744) internal successors, (519), 258 states have internal predecessors, (519), 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 10:02:34,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 10:02:34,143 INFO L93 Difference]: Finished difference Result 585 states and 656 transitions. [2022-10-16 10:02:34,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2022-10-16 10:02:34,144 INFO L78 Accepts]: Start accepts. Automaton has has 258 states, 258 states have (on average 2.011627906976744) internal successors, (519), 258 states have internal predecessors, (519), 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 261 [2022-10-16 10:02:34,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 10:02:34,148 INFO L225 Difference]: With dead ends: 585 [2022-10-16 10:02:34,148 INFO L226 Difference]: Without dead ends: 548 [2022-10-16 10:02:34,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 775 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 382 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32567 ImplicationChecksByTransitivity, 30.0s TimeCoverageRelationStatistics Valid=41091, Invalid=105981, Unknown=0, NotChecked=0, Total=147072 [2022-10-16 10:02:34,161 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 1351 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 10:02:34,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1351 Valid, 658 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 804 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 10:02:34,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2022-10-16 10:02:34,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2022-10-16 10:02:34,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 534 states have (on average 1.0243445692883895) internal successors, (547), 544 states have internal predecessors, (547), 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 10:02:34,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 552 transitions. [2022-10-16 10:02:34,190 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 552 transitions. Word has length 261 [2022-10-16 10:02:34,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 10:02:34,191 INFO L495 AbstractCegarLoop]: Abstraction has 548 states and 552 transitions. [2022-10-16 10:02:34,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 258 states, 258 states have (on average 2.011627906976744) internal successors, (519), 258 states have internal predecessors, (519), 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 10:02:34,192 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 552 transitions. [2022-10-16 10:02:34,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2022-10-16 10:02:34,205 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 10:02:34,206 INFO L195 NwaCegarLoop]: trace histogram [127, 127, 127, 127, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 10:02:34,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-10-16 10:02:34,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:02:34,408 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 10:02:34,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 10:02:34,409 INFO L85 PathProgramCache]: Analyzing trace with hash -775180174, now seen corresponding path program 6 times [2022-10-16 10:02:34,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 10:02:34,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126157372] [2022-10-16 10:02:34,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 10:02:34,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 10:02:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 10:03:16,494 INFO L134 CoverageAnalysis]: Checked inductivity of 32131 backedges. 0 proven. 32131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 10:03:16,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 10:03:16,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126157372] [2022-10-16 10:03:16,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126157372] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 10:03:16,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488255691] [2022-10-16 10:03:16,496 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-10-16 10:03:16,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 10:03:16,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 10:03:16,497 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 10:03:16,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process