/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/mapavg5.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 09:55:57,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 09:55:57,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 09:55:57,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 09:55:57,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 09:55:57,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 09:55:57,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 09:55:57,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 09:55:57,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 09:55:57,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 09:55:57,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 09:55:57,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 09:55:57,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 09:55:57,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 09:55:57,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 09:55:57,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 09:55:57,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 09:55:57,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 09:55:57,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 09:55:57,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 09:55:57,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 09:55:57,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 09:55:57,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 09:55:57,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 09:55:57,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 09:55:57,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 09:55:57,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 09:55:57,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 09:55:57,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 09:55:57,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 09:55:57,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 09:55:58,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 09:55:58,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 09:55:58,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 09:55:58,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 09:55:58,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 09:55:58,006 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 09:55:58,057 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 09:55:58,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 09:55:58,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 09:55:58,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 09:55:58,060 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 09:55:58,060 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 09:55:58,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 09:55:58,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 09:55:58,063 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 09:55:58,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 09:55:58,064 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 09:55:58,064 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 09:55:58,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 09:55:58,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 09:55:58,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 09:55:58,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 09:55:58,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 09:55:58,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 09:55:58,065 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 09:55:58,066 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 09:55:58,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 09:55:58,066 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 09:55:58,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 09:55:58,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 09:55:58,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 09:55:58,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 09:55:58,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 09:55:58,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 09:55:58,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 09:55:58,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 09:55:58,068 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 09:55:58,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 09:55:58,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 09:55:58,069 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 09:55:58,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 09:55:58,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 09:55:58,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 09:55:58,463 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 09:55:58,464 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 09:55:58,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/mapavg5.i [2022-10-16 09:55:58,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/073e6e0a5/fabc1423794d4964ae11eae6bfe814b0/FLAG9829fde13 [2022-10-16 09:55:59,161 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 09:55:59,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/mapavg5.i [2022-10-16 09:55:59,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/073e6e0a5/fabc1423794d4964ae11eae6bfe814b0/FLAG9829fde13 [2022-10-16 09:55:59,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/073e6e0a5/fabc1423794d4964ae11eae6bfe814b0 [2022-10-16 09:55:59,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 09:55:59,525 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 09:55:59,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 09:55:59,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 09:55:59,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 09:55:59,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:55:59" (1/1) ... [2022-10-16 09:55:59,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5310baee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:55:59, skipping insertion in model container [2022-10-16 09:55:59,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:55:59" (1/1) ... [2022-10-16 09:55:59,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 09:55:59,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 09:55:59,734 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/mapavg5.i[1383,1396] [2022-10-16 09:55:59,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 09:55:59,744 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 09:55:59,769 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/mapavg5.i[1383,1396] [2022-10-16 09:55:59,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 09:55:59,785 INFO L208 MainTranslator]: Completed translation [2022-10-16 09:55:59,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:55:59 WrapperNode [2022-10-16 09:55:59,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 09:55:59,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 09:55:59,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 09:55:59,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 09:55:59,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:55:59" (1/1) ... [2022-10-16 09:55:59,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:55:59" (1/1) ... [2022-10-16 09:55:59,828 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 80 [2022-10-16 09:55:59,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 09:55:59,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 09:55:59,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 09:55:59,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 09:55:59,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:55:59" (1/1) ... [2022-10-16 09:55:59,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:55:59" (1/1) ... [2022-10-16 09:55:59,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:55:59" (1/1) ... [2022-10-16 09:55:59,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:55:59" (1/1) ... [2022-10-16 09:55:59,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:55:59" (1/1) ... [2022-10-16 09:55:59,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:55:59" (1/1) ... [2022-10-16 09:55:59,886 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:55:59" (1/1) ... [2022-10-16 09:55:59,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:55:59" (1/1) ... [2022-10-16 09:55:59,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 09:55:59,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 09:55:59,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 09:55:59,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 09:55:59,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:55:59" (1/1) ... [2022-10-16 09:55:59,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 09:55:59,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:55:59,944 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 09:55:59,961 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 09:56:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 09:56:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 09:56:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 09:56:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 09:56:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 09:56:00,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 09:56:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 09:56:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure mapavg [2022-10-16 09:56:00,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mapavg [2022-10-16 09:56:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 09:56:00,168 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 09:56:00,172 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 09:56:00,441 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 09:56:00,451 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 09:56:00,451 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-16 09:56:00,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:56:00 BoogieIcfgContainer [2022-10-16 09:56:00,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 09:56:00,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 09:56:00,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 09:56:00,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 09:56:00,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 09:55:59" (1/3) ... [2022-10-16 09:56:00,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef9b7c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 09:56:00, skipping insertion in model container [2022-10-16 09:56:00,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:55:59" (2/3) ... [2022-10-16 09:56:00,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef9b7c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 09:56:00, skipping insertion in model container [2022-10-16 09:56:00,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:56:00" (3/3) ... [2022-10-16 09:56:00,476 INFO L112 eAbstractionObserver]: Analyzing ICFG mapavg5.i [2022-10-16 09:56:00,529 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 09:56:00,530 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-10-16 09:56:00,612 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 09:56:00,621 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;@6ef09aab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 09:56:00,621 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-10-16 09:56:00,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 55 states have internal predecessors, (63), 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 09:56:00,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-16 09:56:00,637 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:00,638 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-16 09:56:00,639 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:56:00,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:00,647 INFO L85 PathProgramCache]: Analyzing trace with hash 889512652, now seen corresponding path program 1 times [2022-10-16 09:56:00,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:00,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988267007] [2022-10-16 09:56:00,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:00,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:00,987 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 09:56:00,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:00,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988267007] [2022-10-16 09:56:00,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988267007] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 09:56:00,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 09:56:00,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 09:56:00,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77386041] [2022-10-16 09:56:00,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 09:56:01,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 09:56:01,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:01,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 09:56:01,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 09:56:01,050 INFO L87 Difference]: Start difference. First operand has 60 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 55 states have internal predecessors, (63), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:01,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:01,196 INFO L93 Difference]: Finished difference Result 147 states and 175 transitions. [2022-10-16 09:56:01,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 09:56:01,201 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-10-16 09:56:01,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:01,221 INFO L225 Difference]: With dead ends: 147 [2022-10-16 09:56:01,221 INFO L226 Difference]: Without dead ends: 80 [2022-10-16 09:56:01,228 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 09:56:01,233 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 31 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:01,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 188 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 09:56:01,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-10-16 09:56:01,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 57. [2022-10-16 09:56:01,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 35 states have (on average 1.6285714285714286) internal successors, (57), 53 states have internal predecessors, (57), 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 09:56:01,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2022-10-16 09:56:01,320 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 62 transitions. Word has length 6 [2022-10-16 09:56:01,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:01,321 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 62 transitions. [2022-10-16 09:56:01,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:01,322 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2022-10-16 09:56:01,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 09:56:01,324 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:01,324 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:01,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 09:56:01,325 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mapavgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:56:01,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:01,328 INFO L85 PathProgramCache]: Analyzing trace with hash 123997611, now seen corresponding path program 1 times [2022-10-16 09:56:01,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:01,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129387601] [2022-10-16 09:56:01,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:01,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:01,446 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 09:56:01,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:01,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129387601] [2022-10-16 09:56:01,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129387601] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 09:56:01,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 09:56:01,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 09:56:01,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334639955] [2022-10-16 09:56:01,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 09:56:01,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 09:56:01,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:01,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 09:56:01,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 09:56:01,451 INFO L87 Difference]: Start difference. First operand 57 states and 62 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:01,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:01,498 INFO L93 Difference]: Finished difference Result 101 states and 109 transitions. [2022-10-16 09:56:01,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 09:56:01,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-10-16 09:56:01,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:01,500 INFO L225 Difference]: With dead ends: 101 [2022-10-16 09:56:01,500 INFO L226 Difference]: Without dead ends: 57 [2022-10-16 09:56:01,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 09:56:01,503 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 3 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:01,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 89 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 09:56:01,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-10-16 09:56:01,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-10-16 09:56:01,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 35 states have (on average 1.6) internal successors, (56), 53 states have internal predecessors, (56), 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 09:56:01,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2022-10-16 09:56:01,513 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 8 [2022-10-16 09:56:01,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:01,514 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2022-10-16 09:56:01,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:01,514 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2022-10-16 09:56:01,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 09:56:01,515 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:01,515 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:01,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 09:56:01,516 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:56:01,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:01,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1894413816, now seen corresponding path program 1 times [2022-10-16 09:56:01,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:01,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009991867] [2022-10-16 09:56:01,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:01,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:01,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:01,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:01,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009991867] [2022-10-16 09:56:01,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009991867] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:56:01,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877981836] [2022-10-16 09:56:01,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:01,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:01,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:56:01,684 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 09:56:01,693 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 09:56:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:01,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 09:56:01,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:56:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:01,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:56:01,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:01,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877981836] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:56:01,866 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:56:01,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 09:56:01,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469902609] [2022-10-16 09:56:01,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:56:01,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 09:56:01,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:01,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 09:56:01,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-16 09:56:01,870 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:02,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:02,021 INFO L93 Difference]: Finished difference Result 142 states and 160 transitions. [2022-10-16 09:56:02,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 09:56:02,022 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 09:56:02,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:02,025 INFO L225 Difference]: With dead ends: 142 [2022-10-16 09:56:02,025 INFO L226 Difference]: Without dead ends: 141 [2022-10-16 09:56:02,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-10-16 09:56:02,028 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 93 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:02,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 344 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 09:56:02,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-10-16 09:56:02,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 68. [2022-10-16 09:56:02,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 46 states have (on average 1.565217391304348) internal successors, (72), 64 states have internal predecessors, (72), 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 09:56:02,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 77 transitions. [2022-10-16 09:56:02,041 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 77 transitions. Word has length 10 [2022-10-16 09:56:02,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:02,042 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 77 transitions. [2022-10-16 09:56:02,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:02,042 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2022-10-16 09:56:02,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 09:56:02,043 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:02,043 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:02,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 09:56:02,258 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 09:56:02,259 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting mapavgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:56:02,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:02,260 INFO L85 PathProgramCache]: Analyzing trace with hash 535287271, now seen corresponding path program 1 times [2022-10-16 09:56:02,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:02,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908652261] [2022-10-16 09:56:02,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:02,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:02,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 09:56:02,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:02,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908652261] [2022-10-16 09:56:02,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908652261] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 09:56:02,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 09:56:02,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 09:56:02,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417357488] [2022-10-16 09:56:02,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 09:56:02,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 09:56:02,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:02,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 09:56:02,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 09:56:02,399 INFO L87 Difference]: Start difference. First operand 68 states and 77 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:02,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:02,453 INFO L93 Difference]: Finished difference Result 83 states and 94 transitions. [2022-10-16 09:56:02,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 09:56:02,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-10-16 09:56:02,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:02,457 INFO L225 Difference]: With dead ends: 83 [2022-10-16 09:56:02,458 INFO L226 Difference]: Without dead ends: 81 [2022-10-16 09:56:02,458 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 09:56:02,460 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 11 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:02,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 85 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 09:56:02,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-10-16 09:56:02,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 71. [2022-10-16 09:56:02,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 67 states have internal predecessors, (76), 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 09:56:02,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 81 transitions. [2022-10-16 09:56:02,472 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 81 transitions. Word has length 12 [2022-10-16 09:56:02,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:02,473 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 81 transitions. [2022-10-16 09:56:02,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:02,473 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 81 transitions. [2022-10-16 09:56:02,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 09:56:02,474 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:02,474 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:02,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 09:56:02,475 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting mapavgErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:56:02,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:02,475 INFO L85 PathProgramCache]: Analyzing trace with hash 535287226, now seen corresponding path program 1 times [2022-10-16 09:56:02,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:02,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146742924] [2022-10-16 09:56:02,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:02,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:02,491 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 09:56:02,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [393193895] [2022-10-16 09:56:02,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:02,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:02,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:56:02,494 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 09:56:02,503 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 09:56:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:02,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 09:56:02,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:56:02,611 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 09:56:02,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:56:02,649 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 09:56:02,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:02,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146742924] [2022-10-16 09:56:02,650 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 09:56:02,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393193895] [2022-10-16 09:56:02,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393193895] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:56:02,650 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 09:56:02,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-10-16 09:56:02,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522308117] [2022-10-16 09:56:02,651 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 09:56:02,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 09:56:02,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:02,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 09:56:02,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-10-16 09:56:02,653 INFO L87 Difference]: Start difference. First operand 71 states and 81 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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 09:56:02,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:02,805 INFO L93 Difference]: Finished difference Result 119 states and 132 transitions. [2022-10-16 09:56:02,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 09:56:02,806 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-10-16 09:56:02,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:02,807 INFO L225 Difference]: With dead ends: 119 [2022-10-16 09:56:02,807 INFO L226 Difference]: Without dead ends: 72 [2022-10-16 09:56:02,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-10-16 09:56:02,810 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 13 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:02,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 185 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 09:56:02,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-10-16 09:56:02,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 71. [2022-10-16 09:56:02,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 49 states have (on average 1.530612244897959) internal successors, (75), 67 states have internal predecessors, (75), 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 09:56:02,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 80 transitions. [2022-10-16 09:56:02,820 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 80 transitions. Word has length 12 [2022-10-16 09:56:02,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:02,820 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 80 transitions. [2022-10-16 09:56:02,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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 09:56:02,821 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2022-10-16 09:56:02,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 09:56:02,821 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:02,822 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2022-10-16 09:56:02,861 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 09:56:03,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:03,037 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:56:03,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:03,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1402713897, now seen corresponding path program 1 times [2022-10-16 09:56:03,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:03,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358134374] [2022-10-16 09:56:03,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:03,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:03,131 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 09:56:03,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:03,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358134374] [2022-10-16 09:56:03,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358134374] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:56:03,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885133996] [2022-10-16 09:56:03,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:03,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:03,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:56:03,135 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 09:56:03,144 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 09:56:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:03,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 09:56:03,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:56:03,232 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 09:56:03,233 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 09:56:03,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885133996] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 09:56:03,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 09:56:03,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 09:56:03,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003227766] [2022-10-16 09:56:03,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 09:56:03,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 09:56:03,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:03,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 09:56:03,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 09:56:03,236 INFO L87 Difference]: Start difference. First operand 71 states and 80 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:03,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:03,280 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2022-10-16 09:56:03,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 09:56:03,280 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-10-16 09:56:03,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:03,282 INFO L225 Difference]: With dead ends: 71 [2022-10-16 09:56:03,282 INFO L226 Difference]: Without dead ends: 70 [2022-10-16 09:56:03,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 09:56:03,284 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 28 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:03,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 198 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 09:56:03,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-10-16 09:56:03,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-10-16 09:56:03,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 49 states have (on average 1.469387755102041) internal successors, (72), 66 states have internal predecessors, (72), 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 09:56:03,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 77 transitions. [2022-10-16 09:56:03,297 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 77 transitions. Word has length 11 [2022-10-16 09:56:03,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:03,300 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 77 transitions. [2022-10-16 09:56:03,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:03,300 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2022-10-16 09:56:03,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 09:56:03,301 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:03,301 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:03,343 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 09:56:03,518 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 09:56:03,519 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting mapavgErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:56:03,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:03,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1150623734, now seen corresponding path program 2 times [2022-10-16 09:56:03,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:03,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234712947] [2022-10-16 09:56:03,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:03,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:03,537 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 09:56:03,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1347471943] [2022-10-16 09:56:03,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 09:56:03,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:03,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:56:03,539 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 09:56:03,557 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 09:56:03,590 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 09:56:03,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 09:56:03,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 09:56:03,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:56:03,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 09:56:03,647 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 09:56:03,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:03,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234712947] [2022-10-16 09:56:03,648 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 09:56:03,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347471943] [2022-10-16 09:56:03,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347471943] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 09:56:03,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 09:56:03,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 09:56:03,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818433823] [2022-10-16 09:56:03,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 09:56:03,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 09:56:03,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:03,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 09:56:03,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 09:56:03,655 INFO L87 Difference]: Start difference. First operand 70 states and 77 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:03,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:03,725 INFO L93 Difference]: Finished difference Result 123 states and 137 transitions. [2022-10-16 09:56:03,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 09:56:03,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-10-16 09:56:03,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:03,727 INFO L225 Difference]: With dead ends: 123 [2022-10-16 09:56:03,727 INFO L226 Difference]: Without dead ends: 77 [2022-10-16 09:56:03,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 09:56:03,730 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 68 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:03,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 50 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 09:56:03,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-10-16 09:56:03,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 68. [2022-10-16 09:56:03,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 64 states have internal predecessors, (69), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:56:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 74 transitions. [2022-10-16 09:56:03,739 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 74 transitions. Word has length 16 [2022-10-16 09:56:03,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:03,739 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 74 transitions. [2022-10-16 09:56:03,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:03,740 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2022-10-16 09:56:03,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-16 09:56:03,740 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:03,741 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:03,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-10-16 09:56:03,952 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 09:56:03,953 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting mapavgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:56:03,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:03,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1942860197, now seen corresponding path program 1 times [2022-10-16 09:56:03,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:03,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306971889] [2022-10-16 09:56:03,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:03,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:04,544 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:04,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:04,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306971889] [2022-10-16 09:56:04,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306971889] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:56:04,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18934045] [2022-10-16 09:56:04,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:04,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:04,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:56:04,552 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 09:56:04,582 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 09:56:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:04,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-16 09:56:04,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:56:04,672 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-10-16 09:56:04,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 09:56:04,746 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 09:56:04,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 09:56:04,842 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 09:56:04,842 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 10 [2022-10-16 09:56:04,869 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:04,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:56:07,036 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~1#1_12| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_12|)) (forall ((v_ArrVal_70 Int)) (< (select (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|) (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_12| 4)) v_ArrVal_70) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775808)))) is different from false [2022-10-16 09:56:11,514 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2022-10-16 09:56:11,523 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 122 [2022-10-16 09:56:11,592 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-10-16 09:56:11,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18934045] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:56:11,593 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:56:11,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2022-10-16 09:56:11,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545764118] [2022-10-16 09:56:11,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:56:11,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 09:56:11,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:11,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 09:56:11,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=349, Unknown=6, NotChecked=38, Total=462 [2022-10-16 09:56:11,595 INFO L87 Difference]: Start difference. First operand 68 states and 74 transitions. Second operand has 22 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 20 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:13,622 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (and (<= (select .cse0 0) 2147483647) (= |c_ULTIMATE.start_main_~i~1#1| 0) (= |c_ULTIMATE.start_main_#t~post4#1| 0) (forall ((|v_ULTIMATE.start_main_~i~1#1_12| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_12|)) (forall ((v_ArrVal_70 Int)) (< (select (store .cse0 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_12| 4)) v_ArrVal_70) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775808)))) (= |c_ULTIMATE.start_main_~#x~0#1.offset| 0) (<= (select .cse0 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4))) 2147483647))) is different from false [2022-10-16 09:56:15,627 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (and (<= (select .cse0 0) 2147483647) (= |c_ULTIMATE.start_main_#t~post4#1| 0) (forall ((|v_ULTIMATE.start_main_~i~1#1_12| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_12|)) (forall ((v_ArrVal_70 Int)) (< (select (store .cse0 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_12| 4)) v_ArrVal_70) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775808)))) (= |c_ULTIMATE.start_main_~#x~0#1.offset| 0))) is different from false [2022-10-16 09:56:17,649 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (and (<= 1 |c_ULTIMATE.start_main_~i~1#1|) (<= 0 |c_ULTIMATE.start_main_#t~post4#1|) (<= (select .cse0 |c_ULTIMATE.start_main_~#x~0#1.offset|) 2147483647) (forall ((|v_ULTIMATE.start_main_~i~1#1_12| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_12|)) (forall ((v_ArrVal_70 Int)) (< (select (store .cse0 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_12| 4)) v_ArrVal_70) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775808)))) (= |c_ULTIMATE.start_main_~#x~0#1.offset| 0))) is different from false [2022-10-16 09:56:19,653 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (and (<= 0 |c_ULTIMATE.start_main_#t~post4#1|) (<= (select .cse0 |c_ULTIMATE.start_main_~#x~0#1.offset|) 2147483647) (forall ((|v_ULTIMATE.start_main_~i~1#1_12| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_12|)) (forall ((v_ArrVal_70 Int)) (< (select (store .cse0 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_12| 4)) v_ArrVal_70) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775808)))) (= |c_ULTIMATE.start_main_~#x~0#1.offset| 0))) is different from false [2022-10-16 09:56:20,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:20,573 INFO L93 Difference]: Finished difference Result 101 states and 107 transitions. [2022-10-16 09:56:20,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 09:56:20,574 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 20 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-10-16 09:56:20,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:20,575 INFO L225 Difference]: With dead ends: 101 [2022-10-16 09:56:20,575 INFO L226 Difference]: Without dead ends: 100 [2022-10-16 09:56:20,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 15.5s TimeCoverageRelationStatistics Valid=108, Invalid=501, Unknown=11, NotChecked=250, Total=870 [2022-10-16 09:56:20,577 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 53 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 60 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:20,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 401 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 236 Invalid, 0 Unknown, 60 Unchecked, 0.2s Time] [2022-10-16 09:56:20,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-10-16 09:56:20,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 85. [2022-10-16 09:56:20,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 65 states have (on average 1.4461538461538461) internal successors, (94), 80 states have internal predecessors, (94), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:56:20,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 99 transitions. [2022-10-16 09:56:20,588 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 99 transitions. Word has length 18 [2022-10-16 09:56:20,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:20,588 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 99 transitions. [2022-10-16 09:56:20,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 20 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:20,589 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2022-10-16 09:56:20,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 09:56:20,589 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:20,589 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:20,628 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 09:56:20,803 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 09:56:20,804 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting mapavgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:56:20,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:20,805 INFO L85 PathProgramCache]: Analyzing trace with hash 99124081, now seen corresponding path program 1 times [2022-10-16 09:56:20,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:20,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072379638] [2022-10-16 09:56:20,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:20,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:21,167 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:21,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:21,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072379638] [2022-10-16 09:56:21,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072379638] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:56:21,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258882393] [2022-10-16 09:56:21,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:21,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:21,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:56:21,170 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 09:56:21,192 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 09:56:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:21,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-16 09:56:21,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:56:21,247 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-10-16 09:56:21,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 09:56:21,312 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-10-16 09:56:21,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 09:56:21,398 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 09:56:21,399 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 12 [2022-10-16 09:56:21,424 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:21,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:56:23,555 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~1#1_15| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_15|)) (forall ((v_ArrVal_86 Int)) (< 0 (+ (select (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~1#1_15| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_86) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775809))))) is different from false [2022-10-16 09:56:29,545 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2022-10-16 09:56:29,551 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 62 [2022-10-16 09:56:29,592 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-10-16 09:56:29,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258882393] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:56:29,593 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:56:29,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2022-10-16 09:56:29,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699809276] [2022-10-16 09:56:29,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:56:29,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 09:56:29,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:29,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 09:56:29,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=345, Unknown=10, NotChecked=38, Total=462 [2022-10-16 09:56:29,595 INFO L87 Difference]: Start difference. First operand 85 states and 99 transitions. Second operand has 22 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 20 states have internal predecessors, (44), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:31,622 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (and (<= 0 (+ (select .cse0 0) 2147483648)) (<= 0 (+ (select .cse0 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4))) 2147483648)) (= |c_ULTIMATE.start_main_~i~1#1| 0) (forall ((|v_ULTIMATE.start_main_~i~1#1_15| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_15|)) (forall ((v_ArrVal_86 Int)) (< 0 (+ (select (store .cse0 (+ (* |v_ULTIMATE.start_main_~i~1#1_15| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_86) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775809))))) (= |c_ULTIMATE.start_main_#t~post4#1| 0) (= |c_ULTIMATE.start_main_~#x~0#1.offset| 0))) is different from false [2022-10-16 09:56:33,627 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (and (<= 0 (+ (select .cse0 0) 2147483648)) (forall ((|v_ULTIMATE.start_main_~i~1#1_15| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_15|)) (forall ((v_ArrVal_86 Int)) (< 0 (+ (select (store .cse0 (+ (* |v_ULTIMATE.start_main_~i~1#1_15| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_86) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775809))))) (= |c_ULTIMATE.start_main_#t~post4#1| 0) (= |c_ULTIMATE.start_main_~#x~0#1.offset| 0))) is different from false [2022-10-16 09:56:35,647 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (and (<= 1 |c_ULTIMATE.start_main_~i~1#1|) (<= 0 |c_ULTIMATE.start_main_#t~post4#1|) (forall ((|v_ULTIMATE.start_main_~i~1#1_15| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_15|)) (forall ((v_ArrVal_86 Int)) (< 0 (+ (select (store .cse0 (+ (* |v_ULTIMATE.start_main_~i~1#1_15| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_86) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775809))))) (<= 0 (+ (select .cse0 |c_ULTIMATE.start_main_~#x~0#1.offset|) 2147483648)) (= |c_ULTIMATE.start_main_~#x~0#1.offset| 0))) is different from false [2022-10-16 09:56:37,651 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (and (<= 0 |c_ULTIMATE.start_main_#t~post4#1|) (forall ((|v_ULTIMATE.start_main_~i~1#1_15| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_15|)) (forall ((v_ArrVal_86 Int)) (< 0 (+ (select (store .cse0 (+ (* |v_ULTIMATE.start_main_~i~1#1_15| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_86) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775809))))) (<= 0 (+ (select .cse0 |c_ULTIMATE.start_main_~#x~0#1.offset|) 2147483648)) (= |c_ULTIMATE.start_main_~#x~0#1.offset| 0))) is different from false [2022-10-16 09:56:39,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:39,352 INFO L93 Difference]: Finished difference Result 100 states and 106 transitions. [2022-10-16 09:56:39,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 09:56:39,353 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 20 states have internal predecessors, (44), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-10-16 09:56:39,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:39,354 INFO L225 Difference]: With dead ends: 100 [2022-10-16 09:56:39,354 INFO L226 Difference]: Without dead ends: 99 [2022-10-16 09:56:39,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 17.7s TimeCoverageRelationStatistics Valid=108, Invalid=496, Unknown=16, NotChecked=250, Total=870 [2022-10-16 09:56:39,356 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 45 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 70 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:39,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 421 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 221 Invalid, 0 Unknown, 70 Unchecked, 0.2s Time] [2022-10-16 09:56:39,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-10-16 09:56:39,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 86. [2022-10-16 09:56:39,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 66 states have (on average 1.4393939393939394) internal successors, (95), 81 states have internal predecessors, (95), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:56:39,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 100 transitions. [2022-10-16 09:56:39,366 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 100 transitions. Word has length 19 [2022-10-16 09:56:39,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:39,366 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 100 transitions. [2022-10-16 09:56:39,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 20 states have internal predecessors, (44), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:39,367 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2022-10-16 09:56:39,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-16 09:56:39,367 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:39,368 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:39,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 09:56:39,581 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 09:56:39,582 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting mapavgErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:56:39,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:39,583 INFO L85 PathProgramCache]: Analyzing trace with hash 768965171, now seen corresponding path program 1 times [2022-10-16 09:56:39,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:39,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445085297] [2022-10-16 09:56:39,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:39,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:39,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 09:56:39,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:39,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445085297] [2022-10-16 09:56:39,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445085297] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 09:56:39,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 09:56:39,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 09:56:39,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399405764] [2022-10-16 09:56:39,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 09:56:39,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 09:56:39,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:39,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 09:56:39,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 09:56:39,638 INFO L87 Difference]: Start difference. First operand 86 states and 100 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:39,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:39,670 INFO L93 Difference]: Finished difference Result 98 states and 114 transitions. [2022-10-16 09:56:39,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 09:56:39,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-10-16 09:56:39,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:39,672 INFO L225 Difference]: With dead ends: 98 [2022-10-16 09:56:39,672 INFO L226 Difference]: Without dead ends: 96 [2022-10-16 09:56:39,672 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 09:56:39,674 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 5 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:39,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 131 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 09:56:39,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-10-16 09:56:39,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2022-10-16 09:56:39,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 74 states have (on average 1.4189189189189189) internal successors, (105), 89 states have internal predecessors, (105), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:56:39,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 110 transitions. [2022-10-16 09:56:39,694 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 110 transitions. Word has length 21 [2022-10-16 09:56:39,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:39,696 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 110 transitions. [2022-10-16 09:56:39,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:39,696 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 110 transitions. [2022-10-16 09:56:39,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-16 09:56:39,700 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:39,700 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1] [2022-10-16 09:56:39,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 09:56:39,700 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:56:39,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:39,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1716489148, now seen corresponding path program 2 times [2022-10-16 09:56:39,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:39,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45500540] [2022-10-16 09:56:39,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:39,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:39,851 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:39,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:39,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45500540] [2022-10-16 09:56:39,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45500540] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:56:39,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317066707] [2022-10-16 09:56:39,852 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 09:56:39,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:39,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:56:39,853 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 09:56:39,877 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 09:56:39,910 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 09:56:39,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 09:56:39,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 09:56:39,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:56:39,966 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-16 09:56:39,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:56:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-16 09:56:40,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317066707] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:56:40,016 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:56:40,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2022-10-16 09:56:40,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063116635] [2022-10-16 09:56:40,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:56:40,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 09:56:40,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:40,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 09:56:40,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-10-16 09:56:40,018 INFO L87 Difference]: Start difference. First operand 94 states and 110 transitions. Second operand has 15 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 15 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:40,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:40,304 INFO L93 Difference]: Finished difference Result 176 states and 215 transitions. [2022-10-16 09:56:40,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 09:56:40,305 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 15 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-10-16 09:56:40,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:40,306 INFO L225 Difference]: With dead ends: 176 [2022-10-16 09:56:40,306 INFO L226 Difference]: Without dead ends: 173 [2022-10-16 09:56:40,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=207, Invalid=495, Unknown=0, NotChecked=0, Total=702 [2022-10-16 09:56:40,308 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 214 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:40,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 217 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 09:56:40,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-10-16 09:56:40,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 81. [2022-10-16 09:56:40,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 64 states have (on average 1.40625) internal successors, (90), 76 states have internal predecessors, (90), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:56:40,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 95 transitions. [2022-10-16 09:56:40,318 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 95 transitions. Word has length 22 [2022-10-16 09:56:40,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:40,318 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 95 transitions. [2022-10-16 09:56:40,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 15 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:40,318 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 95 transitions. [2022-10-16 09:56:40,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 09:56:40,319 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:40,319 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:40,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 09:56:40,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:40,534 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting mapavgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:56:40,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:40,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1114024917, now seen corresponding path program 1 times [2022-10-16 09:56:40,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:40,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603495190] [2022-10-16 09:56:40,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:40,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:40,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:40,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603495190] [2022-10-16 09:56:40,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603495190] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:56:40,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489284235] [2022-10-16 09:56:40,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:40,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:40,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:56:40,969 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 09:56:40,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 09:56:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:41,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-16 09:56:41,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:56:41,035 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-10-16 09:56:41,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 09:56:41,098 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 09:56:41,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 09:56:41,171 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 09:56:41,171 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 10 [2022-10-16 09:56:41,240 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:41,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:56:43,444 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~1#1_24| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_24|)) (forall ((v_ArrVal_132 Int)) (< (select (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|) (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_24| 4)) v_ArrVal_132) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775807)))) is different from false [2022-10-16 09:56:50,048 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2022-10-16 09:56:50,052 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 54 [2022-10-16 09:56:50,088 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-10-16 09:56:50,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489284235] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:56:50,088 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:56:50,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 29 [2022-10-16 09:56:50,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350870580] [2022-10-16 09:56:50,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:56:50,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-10-16 09:56:50,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:50,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-10-16 09:56:50,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=686, Unknown=12, NotChecked=54, Total=870 [2022-10-16 09:56:50,108 INFO L87 Difference]: Start difference. First operand 81 states and 95 transitions. Second operand has 30 states, 29 states have (on average 2.0344827586206895) internal successors, (59), 28 states have internal predecessors, (59), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:52,128 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (and (forall ((|v_ULTIMATE.start_main_~i~1#1_24| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_24|)) (forall ((v_ArrVal_132 Int)) (< (select (store .cse0 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_24| 4)) v_ArrVal_132) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775807)))) (<= (select .cse0 0) 2147483647) (= |c_ULTIMATE.start_main_~i~1#1| 0) (= |c_ULTIMATE.start_main_#t~post4#1| 0) (= |c_ULTIMATE.start_main_~#x~0#1.offset| 0) (<= (select .cse0 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4))) 2147483647))) is different from false [2022-10-16 09:56:54,132 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (and (forall ((|v_ULTIMATE.start_main_~i~1#1_24| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post4#1| 1) |v_ULTIMATE.start_main_~i~1#1_24|)) (forall ((v_ArrVal_132 Int)) (< (select (store .cse0 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_24| 4)) v_ArrVal_132) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775807)))) (<= (select .cse0 0) 2147483647) (= |c_ULTIMATE.start_main_#t~post4#1| 0) (= |c_ULTIMATE.start_main_~#x~0#1.offset| 0))) is different from false [2022-10-16 09:56:55,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:55,228 INFO L93 Difference]: Finished difference Result 106 states and 111 transitions. [2022-10-16 09:56:55,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 09:56:55,228 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 2.0344827586206895) internal successors, (59), 28 states have internal predecessors, (59), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-10-16 09:56:55,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:55,229 INFO L225 Difference]: With dead ends: 106 [2022-10-16 09:56:55,229 INFO L226 Difference]: Without dead ends: 105 [2022-10-16 09:56:55,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=235, Invalid=1168, Unknown=15, NotChecked=222, Total=1640 [2022-10-16 09:56:55,231 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 147 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 134 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:55,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 397 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 309 Invalid, 0 Unknown, 134 Unchecked, 0.2s Time] [2022-10-16 09:56:55,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-10-16 09:56:55,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 83. [2022-10-16 09:56:55,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 66 states have (on average 1.4090909090909092) internal successors, (93), 78 states have internal predecessors, (93), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:56:55,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 98 transitions. [2022-10-16 09:56:55,240 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 98 transitions. Word has length 24 [2022-10-16 09:56:55,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:55,240 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 98 transitions. [2022-10-16 09:56:55,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 2.0344827586206895) internal successors, (59), 28 states have internal predecessors, (59), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:55,240 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2022-10-16 09:56:55,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 09:56:55,241 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:55,241 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:55,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 09:56:55,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-10-16 09:56:55,457 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting mapavgErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:56:55,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:55,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1114024962, now seen corresponding path program 1 times [2022-10-16 09:56:55,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:55,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100725561] [2022-10-16 09:56:55,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:55,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:55,479 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 09:56:55,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [4097576] [2022-10-16 09:56:55,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:55,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:55,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:56:55,481 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 09:56:55,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 09:56:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:55,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 09:56:55,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:56:55,610 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 09:56:55,610 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:56:55,658 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 09:56:55,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:55,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100725561] [2022-10-16 09:56:55,659 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 09:56:55,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4097576] [2022-10-16 09:56:55,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4097576] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:56:55,659 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 09:56:55,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2022-10-16 09:56:55,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328789685] [2022-10-16 09:56:55,660 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 09:56:55,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 09:56:55,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:55,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 09:56:55,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-10-16 09:56:55,663 INFO L87 Difference]: Start difference. First operand 83 states and 98 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 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 09:56:55,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:55,804 INFO L93 Difference]: Finished difference Result 156 states and 182 transitions. [2022-10-16 09:56:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 09:56:55,805 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 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 24 [2022-10-16 09:56:55,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:55,806 INFO L225 Difference]: With dead ends: 156 [2022-10-16 09:56:55,806 INFO L226 Difference]: Without dead ends: 105 [2022-10-16 09:56:55,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2022-10-16 09:56:55,812 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 111 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:55,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 81 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 09:56:55,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-10-16 09:56:55,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 84. [2022-10-16 09:56:55,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 79 states have internal predecessors, (93), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:56:55,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 98 transitions. [2022-10-16 09:56:55,823 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 98 transitions. Word has length 24 [2022-10-16 09:56:55,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:55,826 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 98 transitions. [2022-10-16 09:56:55,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 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 09:56:55,826 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 98 transitions. [2022-10-16 09:56:55,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 09:56:55,831 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:55,831 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:55,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 09:56:56,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-10-16 09:56:56,033 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting mapavgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:56:56,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:56,036 INFO L85 PathProgramCache]: Analyzing trace with hash -175033945, now seen corresponding path program 1 times [2022-10-16 09:56:56,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:56,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543711238] [2022-10-16 09:56:56,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:56,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:56,144 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 09:56:56,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:56,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543711238] [2022-10-16 09:56:56,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543711238] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:56:56,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554443108] [2022-10-16 09:56:56,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:56,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:56,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:56:56,146 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 09:56:56,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 09:56:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:56,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 09:56:56,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:56:56,266 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 09:56:56,266 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 09:56:56,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554443108] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 09:56:56,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 09:56:56,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2022-10-16 09:56:56,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91997843] [2022-10-16 09:56:56,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 09:56:56,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 09:56:56,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:56,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 09:56:56,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-10-16 09:56:56,269 INFO L87 Difference]: Start difference. First operand 84 states and 98 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:56,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:56,339 INFO L93 Difference]: Finished difference Result 86 states and 98 transitions. [2022-10-16 09:56:56,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 09:56:56,339 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-10-16 09:56:56,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:56,340 INFO L225 Difference]: With dead ends: 86 [2022-10-16 09:56:56,340 INFO L226 Difference]: Without dead ends: 84 [2022-10-16 09:56:56,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-10-16 09:56:56,342 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 33 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:56,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 123 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 09:56:56,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-10-16 09:56:56,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2022-10-16 09:56:56,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 67 states have (on average 1.328358208955224) internal successors, (89), 77 states have internal predecessors, (89), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:56:56,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 94 transitions. [2022-10-16 09:56:56,352 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 94 transitions. Word has length 25 [2022-10-16 09:56:56,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:56,353 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 94 transitions. [2022-10-16 09:56:56,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:56,353 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 94 transitions. [2022-10-16 09:56:56,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 09:56:56,356 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:56,356 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:56,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-16 09:56:56,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-10-16 09:56:56,570 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting mapavgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:56:56,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:56,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1131084883, now seen corresponding path program 1 times [2022-10-16 09:56:56,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:56,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879087801] [2022-10-16 09:56:56,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:56,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:57,193 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:57,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:57,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879087801] [2022-10-16 09:56:57,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879087801] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:56:57,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373570227] [2022-10-16 09:56:57,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:57,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:57,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:56:57,196 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 09:56:57,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 09:56:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:57,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-16 09:56:57,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:56:57,281 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-10-16 09:56:57,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 09:56:57,321 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 09:56:57,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 09:56:57,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 09:56:57,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 09:56:57,963 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 09:56:57,963 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 23 [2022-10-16 09:56:58,001 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:58,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:56:58,576 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2022-10-16 09:56:58,585 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 09:56:58,585 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 322 treesize of output 298 [2022-10-16 09:56:58,743 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:58,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373570227] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:56:58,743 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:56:58,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 34 [2022-10-16 09:56:58,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784597974] [2022-10-16 09:56:58,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:56:58,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-10-16 09:56:58,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:58,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-10-16 09:56:58,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1074, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 09:56:58,747 INFO L87 Difference]: Start difference. First operand 82 states and 94 transitions. Second operand has 35 states, 34 states have (on average 1.9411764705882353) internal successors, (66), 32 states have internal predecessors, (66), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:59,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:59,349 INFO L93 Difference]: Finished difference Result 149 states and 169 transitions. [2022-10-16 09:56:59,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 09:56:59,349 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 1.9411764705882353) internal successors, (66), 32 states have internal predecessors, (66), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-10-16 09:56:59,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:59,351 INFO L225 Difference]: With dead ends: 149 [2022-10-16 09:56:59,351 INFO L226 Difference]: Without dead ends: 148 [2022-10-16 09:56:59,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=165, Invalid=1395, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 09:56:59,353 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 26 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 211 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:59,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 756 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 466 Invalid, 0 Unknown, 211 Unchecked, 0.3s Time] [2022-10-16 09:56:59,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-10-16 09:56:59,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 120. [2022-10-16 09:56:59,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 102 states have (on average 1.2647058823529411) internal successors, (129), 112 states have internal predecessors, (129), 6 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 09:56:59,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2022-10-16 09:56:59,367 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 26 [2022-10-16 09:56:59,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:59,368 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2022-10-16 09:56:59,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 1.9411764705882353) internal successors, (66), 32 states have internal predecessors, (66), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:59,368 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2022-10-16 09:56:59,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 09:56:59,369 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:59,369 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:59,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-16 09:56:59,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 09:56:59,584 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting mapavgErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:56:59,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:59,585 INFO L85 PathProgramCache]: Analyzing trace with hash -703892887, now seen corresponding path program 1 times [2022-10-16 09:56:59,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:59,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822015053] [2022-10-16 09:56:59,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:59,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:57:00,252 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:57:00,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:57:00,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822015053] [2022-10-16 09:57:00,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822015053] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:57:00,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663734130] [2022-10-16 09:57:00,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:57:00,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:57:00,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:57:00,258 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 09:57:00,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 09:57:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:57:00,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-16 09:57:00,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:57:00,330 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-10-16 09:57:00,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 09:57:00,371 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-10-16 09:57:01,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 09:57:01,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 09:57:01,025 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 09:57:01,025 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 20 [2022-10-16 09:57:01,063 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:57:01,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:57:01,671 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2022-10-16 09:57:01,680 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 09:57:01,680 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 696 treesize of output 648 [2022-10-16 09:57:01,902 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:57:01,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663734130] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:57:01,902 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:57:01,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 34 [2022-10-16 09:57:01,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101119086] [2022-10-16 09:57:01,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:57:01,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-10-16 09:57:01,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:57:01,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-10-16 09:57:01,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1075, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 09:57:01,905 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand has 35 states, 34 states have (on average 2.0294117647058822) internal successors, (69), 32 states have internal predecessors, (69), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:57:02,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:57:02,291 INFO L93 Difference]: Finished difference Result 137 states and 158 transitions. [2022-10-16 09:57:02,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 09:57:02,292 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 2.0294117647058822) internal successors, (69), 32 states have internal predecessors, (69), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-10-16 09:57:02,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:57:02,293 INFO L225 Difference]: With dead ends: 137 [2022-10-16 09:57:02,293 INFO L226 Difference]: Without dead ends: 136 [2022-10-16 09:57:02,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=157, Invalid=1325, Unknown=0, NotChecked=0, Total=1482 [2022-10-16 09:57:02,295 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 12 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 150 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 09:57:02,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 557 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 223 Invalid, 0 Unknown, 150 Unchecked, 0.2s Time] [2022-10-16 09:57:02,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-10-16 09:57:02,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 121. [2022-10-16 09:57:02,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2621359223300972) internal successors, (130), 113 states have internal predecessors, (130), 6 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 09:57:02,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2022-10-16 09:57:02,309 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 27 [2022-10-16 09:57:02,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:57:02,309 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2022-10-16 09:57:02,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 2.0294117647058822) internal successors, (69), 32 states have internal predecessors, (69), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:57:02,309 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2022-10-16 09:57:02,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-16 09:57:02,310 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:57:02,310 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:57:02,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 09:57:02,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-10-16 09:57:02,521 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting mapavgErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:57:02,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:57:02,522 INFO L85 PathProgramCache]: Analyzing trace with hash -2131195093, now seen corresponding path program 1 times [2022-10-16 09:57:02,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:57:02,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249197190] [2022-10-16 09:57:02,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:57:02,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:57:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:57:02,587 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 09:57:02,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:57:02,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249197190] [2022-10-16 09:57:02,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249197190] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:57:02,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697195230] [2022-10-16 09:57:02,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:57:02,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:57:02,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:57:02,590 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 09:57:02,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 09:57:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:57:02,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 09:57:02,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:57:02,690 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 09:57:02,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:57:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 09:57:02,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697195230] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:57:02,727 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:57:02,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 09:57:02,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317043441] [2022-10-16 09:57:02,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:57:02,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 09:57:02,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:57:02,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 09:57:02,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-16 09:57:02,730 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:57:02,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:57:02,875 INFO L93 Difference]: Finished difference Result 198 states and 243 transitions. [2022-10-16 09:57:02,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 09:57:02,876 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-10-16 09:57:02,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:57:02,878 INFO L225 Difference]: With dead ends: 198 [2022-10-16 09:57:02,879 INFO L226 Difference]: Without dead ends: 197 [2022-10-16 09:57:02,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-10-16 09:57:02,881 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 41 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 09:57:02,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 259 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 09:57:02,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-10-16 09:57:02,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 164. [2022-10-16 09:57:02,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 146 states have (on average 1.3287671232876712) internal successors, (194), 156 states have internal predecessors, (194), 6 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 09:57:02,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 205 transitions. [2022-10-16 09:57:02,915 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 205 transitions. Word has length 29 [2022-10-16 09:57:02,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:57:02,915 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 205 transitions. [2022-10-16 09:57:02,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:57:02,916 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 205 transitions. [2022-10-16 09:57:02,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-16 09:57:02,917 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:57:02,917 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:57:02,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-10-16 09:57:03,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-10-16 09:57:03,131 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting mapavgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:57:03,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:57:03,132 INFO L85 PathProgramCache]: Analyzing trace with hash 2068643891, now seen corresponding path program 2 times [2022-10-16 09:57:03,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:57:03,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916084373] [2022-10-16 09:57:03,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:57:03,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:57:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:57:03,316 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:57:03,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:57:03,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916084373] [2022-10-16 09:57:03,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916084373] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:57:03,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053469418] [2022-10-16 09:57:03,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 09:57:03,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:57:03,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:57:03,318 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 09:57:03,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 09:57:03,374 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 09:57:03,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 09:57:03,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 09:57:03,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:57:03,529 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:57:03,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:57:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:57:03,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053469418] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:57:03,654 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:57:03,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 22 [2022-10-16 09:57:03,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263546935] [2022-10-16 09:57:03,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:57:03,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 09:57:03,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:57:03,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 09:57:03,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2022-10-16 09:57:03,656 INFO L87 Difference]: Start difference. First operand 164 states and 205 transitions. Second operand has 22 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 22 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:57:04,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:57:04,018 INFO L93 Difference]: Finished difference Result 327 states and 402 transitions. [2022-10-16 09:57:04,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 09:57:04,018 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 22 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-10-16 09:57:04,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:57:04,020 INFO L225 Difference]: With dead ends: 327 [2022-10-16 09:57:04,020 INFO L226 Difference]: Without dead ends: 233 [2022-10-16 09:57:04,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 46 SyntacticMatches, 9 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=585, Unknown=0, NotChecked=0, Total=702 [2022-10-16 09:57:04,022 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 101 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 09:57:04,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 256 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 09:57:04,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-10-16 09:57:04,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 222. [2022-10-16 09:57:04,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 200 states have (on average 1.31) internal successors, (262), 210 states have internal predecessors, (262), 8 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-10-16 09:57:04,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 276 transitions. [2022-10-16 09:57:04,043 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 276 transitions. Word has length 32 [2022-10-16 09:57:04,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:57:04,043 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 276 transitions. [2022-10-16 09:57:04,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 22 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:57:04,043 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 276 transitions. [2022-10-16 09:57:04,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-16 09:57:04,044 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:57:04,044 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:57:04,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-10-16 09:57:04,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:57:04,260 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting mapavgErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:57:04,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:57:04,261 INFO L85 PathProgramCache]: Analyzing trace with hash 2068643846, now seen corresponding path program 2 times [2022-10-16 09:57:04,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:57:04,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117775658] [2022-10-16 09:57:04,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:57:04,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:57:04,272 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 09:57:04,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1939969183] [2022-10-16 09:57:04,272 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 09:57:04,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:57:04,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:57:04,273 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 09:57:04,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-10-16 09:57:04,349 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 09:57:04,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 09:57:04,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 37 conjunts are in the unsatisfiable core [2022-10-16 09:57:04,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:57:04,372 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-10-16 09:57:04,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 09:57:04,434 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-16 09:57:04,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 09:57:04,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 09:57:04,801 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 09:57:04,801 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 16 [2022-10-16 09:57:04,868 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:57:04,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:57:07,954 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (< c_~N~0 0)) (.cse0 (+ c_mapavg_~i~0 |c_mapavg_#t~mem2| c_mapavg_~ret~0))) (and (forall ((v_mapavg_~ret~0_39 Int)) (or (<= 0 v_mapavg_~ret~0_39) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (< .cse0 v_mapavg_~ret~0_39) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808))) (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (not (= (mod v_mapavg_~ret~0_39 c_~N~0) 0)) (< .cse0 v_mapavg_~ret~0_39))) (or (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (< .cse0 v_mapavg_~ret~0_39))) .cse1) (or (forall ((v_mapavg_~ret~0_39 Int)) (or (not (<= v_mapavg_~ret~0_39 .cse0)) (not (< v_mapavg_~ret~0_39 0)) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775806))) .cse1) (forall ((v_mapavg_~ret~0_39 Int)) (or (< .cse0 v_mapavg_~ret~0_39) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808))))) is different from false [2022-10-16 09:57:11,276 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (< c_~N~0 0)) (.cse0 (+ c_mapavg_~i~0 (select (select |c_#memory_int| c_mapavg_~x.base) (+ (* c_mapavg_~i~0 4) c_mapavg_~x.offset)) c_mapavg_~ret~0))) (and (or (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (< .cse0 v_mapavg_~ret~0_39))) .cse1) (forall ((v_mapavg_~ret~0_39 Int)) (or (< .cse0 v_mapavg_~ret~0_39) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808))) (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (not (= (mod v_mapavg_~ret~0_39 c_~N~0) 0)) (< .cse0 v_mapavg_~ret~0_39))) (or (forall ((v_mapavg_~ret~0_39 Int)) (or (not (< v_mapavg_~ret~0_39 0)) (< .cse0 v_mapavg_~ret~0_39) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775806))) .cse1) (forall ((v_mapavg_~ret~0_39 Int)) (or (< .cse0 v_mapavg_~ret~0_39) (<= 0 v_mapavg_~ret~0_39) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808))))) is different from false [2022-10-16 09:57:15,199 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (< c_~N~0 0)) (.cse0 (+ |c_mapavg_#t~post1| (select (select |c_#memory_int| c_mapavg_~x.base) (+ (* |c_mapavg_#t~post1| 4) 4 c_mapavg_~x.offset)) c_mapavg_~ret~0 1))) (and (forall ((v_mapavg_~ret~0_39 Int)) (or (<= 0 v_mapavg_~ret~0_39) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808) (< .cse0 v_mapavg_~ret~0_39))) (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808) (< .cse0 v_mapavg_~ret~0_39))) (or (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (< .cse0 v_mapavg_~ret~0_39))) .cse1) (or (forall ((v_mapavg_~ret~0_39 Int)) (or (not (< v_mapavg_~ret~0_39 0)) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775806) (< .cse0 v_mapavg_~ret~0_39))) .cse1) (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (not (= (mod v_mapavg_~ret~0_39 c_~N~0) 0)) (< .cse0 v_mapavg_~ret~0_39))))) is different from false [2022-10-16 09:57:18,883 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ (select (select |c_#memory_int| c_mapavg_~x.base) (+ (* c_mapavg_~i~0 4) 4 c_mapavg_~x.offset)) c_mapavg_~i~0 c_mapavg_~ret~0 1)) (.cse1 (< c_~N~0 0))) (and (or (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (< .cse0 v_mapavg_~ret~0_39))) .cse1) (forall ((v_mapavg_~ret~0_39 Int)) (or (< .cse0 v_mapavg_~ret~0_39) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808))) (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (not (= (mod v_mapavg_~ret~0_39 c_~N~0) 0)) (< .cse0 v_mapavg_~ret~0_39))) (forall ((v_mapavg_~ret~0_39 Int)) (or (< .cse0 v_mapavg_~ret~0_39) (<= 0 v_mapavg_~ret~0_39) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808))) (or (forall ((v_mapavg_~ret~0_39 Int)) (or (not (< v_mapavg_~ret~0_39 0)) (< .cse0 v_mapavg_~ret~0_39) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775806))) .cse1))) is different from false [2022-10-16 09:57:22,583 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ (* c_mapavg_~i~0 2) (select (select |c_#memory_int| c_mapavg_~x.base) (+ (* c_mapavg_~i~0 4) 4 c_mapavg_~x.offset)) |c_mapavg_#t~mem2| c_mapavg_~ret~0 1)) (.cse1 (< c_~N~0 0))) (and (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (not (= (mod v_mapavg_~ret~0_39 c_~N~0) 0)) (< .cse0 v_mapavg_~ret~0_39))) (or (forall ((v_mapavg_~ret~0_39 Int)) (or (not (< v_mapavg_~ret~0_39 0)) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775806) (< .cse0 v_mapavg_~ret~0_39))) .cse1) (forall ((v_mapavg_~ret~0_39 Int)) (or (< .cse0 v_mapavg_~ret~0_39) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808))) (forall ((v_mapavg_~ret~0_39 Int)) (or (<= 0 v_mapavg_~ret~0_39) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (< .cse0 v_mapavg_~ret~0_39) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808))) (or (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (< .cse0 v_mapavg_~ret~0_39))) .cse1))) is different from false [2022-10-16 09:57:25,860 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (< c_~N~0 0)) (.cse0 (let ((.cse2 (select |c_#memory_int| c_mapavg_~x.base)) (.cse3 (* c_mapavg_~i~0 4))) (+ (* c_mapavg_~i~0 2) (select .cse2 (+ .cse3 4 c_mapavg_~x.offset)) (select .cse2 (+ .cse3 c_mapavg_~x.offset)) c_mapavg_~ret~0 1)))) (and (forall ((v_mapavg_~ret~0_39 Int)) (or (< .cse0 v_mapavg_~ret~0_39) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808))) (or (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (< .cse0 v_mapavg_~ret~0_39))) .cse1) (or (forall ((v_mapavg_~ret~0_39 Int)) (or (not (< v_mapavg_~ret~0_39 0)) (< .cse0 v_mapavg_~ret~0_39) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775806))) .cse1) (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (not (= (mod v_mapavg_~ret~0_39 c_~N~0) 0)) (< .cse0 v_mapavg_~ret~0_39))) (forall ((v_mapavg_~ret~0_39 Int)) (or (< .cse0 v_mapavg_~ret~0_39) (<= 0 v_mapavg_~ret~0_39) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808))))) is different from false [2022-10-16 09:57:29,612 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (< c_~N~0 0)) (.cse0 (let ((.cse2 (select |c_#memory_int| |c_mapavg_#in~x.base|))) (+ (select .cse2 |c_mapavg_#in~x.offset|) (select .cse2 (+ |c_mapavg_#in~x.offset| 4)) 1)))) (and (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (not (= (mod v_mapavg_~ret~0_39 c_~N~0) 0)) (< .cse0 v_mapavg_~ret~0_39))) (or (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (< .cse0 v_mapavg_~ret~0_39))) .cse1) (forall ((v_mapavg_~ret~0_39 Int)) (or (<= 0 v_mapavg_~ret~0_39) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808) (< .cse0 v_mapavg_~ret~0_39))) (or (forall ((v_mapavg_~ret~0_39 Int)) (or (not (< v_mapavg_~ret~0_39 0)) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775806) (< .cse0 v_mapavg_~ret~0_39))) .cse1) (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808) (< .cse0 v_mapavg_~ret~0_39))))) is different from false [2022-10-16 09:57:32,954 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|))) (+ (select .cse2 |c_ULTIMATE.start_main_~#x~0#1.offset|) 1 (select .cse2 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| 4))))) (.cse1 (< c_~N~0 0))) (and (or (forall ((v_mapavg_~ret~0_39 Int)) (or (< .cse0 v_mapavg_~ret~0_39) (not (< v_mapavg_~ret~0_39 0)) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775806))) .cse1) (forall ((v_mapavg_~ret~0_39 Int)) (or (< .cse0 v_mapavg_~ret~0_39) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (not (= (mod v_mapavg_~ret~0_39 c_~N~0) 0)))) (forall ((v_mapavg_~ret~0_39 Int)) (or (< .cse0 v_mapavg_~ret~0_39) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808))) (forall ((v_mapavg_~ret~0_39 Int)) (or (< .cse0 v_mapavg_~ret~0_39) (<= 0 v_mapavg_~ret~0_39) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808))) (or (forall ((v_mapavg_~ret~0_39 Int)) (or (< .cse0 v_mapavg_~ret~0_39) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807))) .cse1))) is different from false [2022-10-16 09:58:01,762 WARN L233 SmtUtils]: Spent 26.55s on a formula simplification. DAG size of input: 54 DAG size of output: 37 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-16 09:58:03,927 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| 4)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|)) (.cse3 (+ (* 4 |c_ULTIMATE.start_main_#t~post4#1|) |c_ULTIMATE.start_main_~#x~0#1.offset| 4))) (and (forall ((v_mapavg_~ret~0_39 Int) (v_ArrVal_227 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (< (let ((.cse0 (store .cse2 .cse3 v_ArrVal_227))) (+ (select .cse0 .cse1) (select .cse0 |c_ULTIMATE.start_main_~#x~0#1.offset|) 1)) v_mapavg_~ret~0_39) (< 2147483647 v_ArrVal_227))) (or (forall ((v_mapavg_~ret~0_39 Int) (v_ArrVal_227 Int)) (or (not (< v_mapavg_~ret~0_39 0)) (< (let ((.cse4 (store .cse2 .cse3 v_ArrVal_227))) (+ (select .cse4 .cse1) (select .cse4 |c_ULTIMATE.start_main_~#x~0#1.offset|) 1)) v_mapavg_~ret~0_39) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775806) (< 2147483647 v_ArrVal_227))) (< c_~N~0 0)))) is different from false [2022-10-16 09:58:06,353 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| 4)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|)) (.cse3 (+ |c_ULTIMATE.start_main_~#x~0#1.offset| 4 (* |c_ULTIMATE.start_main_~i~1#1| 4)))) (and (or (forall ((v_mapavg_~ret~0_39 Int) (v_ArrVal_227 Int)) (or (< (let ((.cse0 (store .cse2 .cse3 v_ArrVal_227))) (+ (select .cse0 .cse1) (select .cse0 |c_ULTIMATE.start_main_~#x~0#1.offset|) 1)) v_mapavg_~ret~0_39) (not (< v_mapavg_~ret~0_39 0)) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775806) (< 2147483647 v_ArrVal_227))) (< c_~N~0 0)) (forall ((v_mapavg_~ret~0_39 Int) (v_ArrVal_227 Int)) (or (< (let ((.cse4 (store .cse2 .cse3 v_ArrVal_227))) (+ (select .cse4 .cse1) (select .cse4 |c_ULTIMATE.start_main_~#x~0#1.offset|) 1)) v_mapavg_~ret~0_39) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (< 2147483647 v_ArrVal_227))))) is different from false [2022-10-16 09:58:06,394 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 115 [2022-10-16 09:58:06,427 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 09:58:06,428 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1068 treesize of output 996 [2022-10-16 09:58:09,285 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (= 0 (* |c_ULTIMATE.start_main_~i~1#1| 4)))) (and (or (and (forall ((v_mapavg_~ret~0_39 Int)) (or (<= 0 v_mapavg_~ret~0_39) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775806))) (or .cse0 (forall ((v_mapavg_~ret~0_39 Int)) (or (not (< v_mapavg_~ret~0_39 0)) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775806))))) (< c_~N~0 0)) (forall ((v_prenex_1 Int)) (or (< 4294967295 v_prenex_1) (<= (div v_prenex_1 c_~N~0) 9223372036854775807))) (or .cse0 (forall ((v_prenex_1 Int)) (<= (div v_prenex_1 c_~N~0) 9223372036854775807))))) is different from false [2022-10-16 09:58:09,307 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 16 not checked. [2022-10-16 09:58:09,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:58:09,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117775658] [2022-10-16 09:58:09,307 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 09:58:09,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939969183] [2022-10-16 09:58:09,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939969183] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:58:09,308 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 09:58:09,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2022-10-16 09:58:09,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670486712] [2022-10-16 09:58:09,308 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 09:58:09,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 09:58:09,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:58:09,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 09:58:09,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=235, Unknown=11, NotChecked=440, Total=756 [2022-10-16 09:58:09,310 INFO L87 Difference]: Start difference. First operand 222 states and 276 transitions. Second operand has 28 states, 27 states have (on average 2.2222222222222223) internal successors, (60), 26 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:58:25,120 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| c_mapavg_~x.base)) (.cse4 (* c_mapavg_~i~0 4))) (let ((.cse0 (+ (* c_mapavg_~i~0 2) (select .cse3 (+ .cse4 4 c_mapavg_~x.offset)) |c_mapavg_#t~mem2| c_mapavg_~ret~0 1)) (.cse1 (< c_~N~0 0)) (.cse2 (select |c_#memory_int| |c_mapavg_#in~x.base|))) (and (= |c_mapavg_#in~x.offset| 0) (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (not (= (mod v_mapavg_~ret~0_39 c_~N~0) 0)) (< .cse0 v_mapavg_~ret~0_39))) (or (forall ((v_mapavg_~ret~0_39 Int)) (or (not (< v_mapavg_~ret~0_39 0)) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775806) (< .cse0 v_mapavg_~ret~0_39))) .cse1) (<= (select .cse2 0) 2147483647) (= 0 c_mapavg_~x.offset) (<= (select .cse3 0) 2147483647) (< 1 c_~N~0) (forall ((v_mapavg_~ret~0_39 Int)) (or (< .cse0 v_mapavg_~ret~0_39) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808))) (forall ((v_mapavg_~ret~0_39 Int)) (or (<= 0 v_mapavg_~ret~0_39) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (< .cse0 v_mapavg_~ret~0_39) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808))) (<= c_mapavg_~ret~0 0) (or (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (< .cse0 v_mapavg_~ret~0_39))) .cse1) (= c_mapavg_~i~0 0) (<= (select .cse3 4) 2147483647) (<= (select .cse2 4) 2147483647) (<= |c_mapavg_#t~mem2| (select .cse3 (+ .cse4 c_mapavg_~x.offset)))))) is different from false [2022-10-16 09:58:28,188 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| c_mapavg_~x.base)) (.cse3 (* c_mapavg_~i~0 4))) (let ((.cse0 (+ (* c_mapavg_~i~0 2) (select .cse2 (+ .cse3 4 c_mapavg_~x.offset)) |c_mapavg_#t~mem2| c_mapavg_~ret~0 1)) (.cse1 (< c_~N~0 0))) (and (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (not (= (mod v_mapavg_~ret~0_39 c_~N~0) 0)) (< .cse0 v_mapavg_~ret~0_39))) (or (forall ((v_mapavg_~ret~0_39 Int)) (or (not (< v_mapavg_~ret~0_39 0)) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775806) (< .cse0 v_mapavg_~ret~0_39))) .cse1) (= 0 c_mapavg_~x.offset) (<= (select .cse2 0) 2147483647) (< 1 c_~N~0) (forall ((v_mapavg_~ret~0_39 Int)) (or (< .cse0 v_mapavg_~ret~0_39) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808))) (forall ((v_mapavg_~ret~0_39 Int)) (or (<= 0 v_mapavg_~ret~0_39) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (< .cse0 v_mapavg_~ret~0_39) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808))) (<= c_mapavg_~ret~0 0) (or (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (< .cse0 v_mapavg_~ret~0_39))) .cse1) (= c_mapavg_~i~0 0) (<= (select .cse2 4) 2147483647) (<= |c_mapavg_#t~mem2| (select .cse2 (+ .cse3 c_mapavg_~x.offset)))))) is different from false [2022-10-16 09:59:11,212 WARN L233 SmtUtils]: Spent 27.92s on a formula simplification. DAG size of input: 62 DAG size of output: 26 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-16 09:59:13,389 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| c_mapavg_~x.base))) (let ((.cse1 (< c_~N~0 0)) (.cse0 (+ c_mapavg_~i~0 (select .cse2 (+ (* c_mapavg_~i~0 4) c_mapavg_~x.offset)) c_mapavg_~ret~0))) (and (or (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (< .cse0 v_mapavg_~ret~0_39))) .cse1) (<= c_mapavg_~ret~0 (select .cse2 c_mapavg_~x.offset)) (= 0 c_mapavg_~x.offset) (forall ((v_mapavg_~ret~0_39 Int)) (or (< .cse0 v_mapavg_~ret~0_39) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808))) (<= (select .cse2 0) 2147483647) (forall ((v_mapavg_~ret~0_39 Int)) (or (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775807) (not (= (mod v_mapavg_~ret~0_39 c_~N~0) 0)) (< .cse0 v_mapavg_~ret~0_39))) (or (forall ((v_mapavg_~ret~0_39 Int)) (or (not (< v_mapavg_~ret~0_39 0)) (< .cse0 v_mapavg_~ret~0_39) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775806))) .cse1) (< 1 c_~N~0) (forall ((v_mapavg_~ret~0_39 Int)) (or (< .cse0 v_mapavg_~ret~0_39) (<= 0 v_mapavg_~ret~0_39) (= (mod v_mapavg_~ret~0_39 c_~N~0) 0) (<= (div v_mapavg_~ret~0_39 c_~N~0) 9223372036854775808))) (<= (select .cse2 4) 2147483647) (= c_mapavg_~i~0 1)))) is different from false [2022-10-16 09:59:14,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:59:14,957 INFO L93 Difference]: Finished difference Result 297 states and 369 transitions. [2022-10-16 09:59:14,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 09:59:14,957 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 2.2222222222222223) internal successors, (60), 26 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-10-16 09:59:14,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:59:14,960 INFO L225 Difference]: With dead ends: 297 [2022-10-16 09:59:14,960 INFO L226 Difference]: Without dead ends: 293 [2022-10-16 09:59:14,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 37 SyntacticMatches, 8 SemanticMatches, 32 ConstructedPredicates, 14 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 122.0s TimeCoverageRelationStatistics Valid=93, Invalid=322, Unknown=21, NotChecked=686, Total=1122 [2022-10-16 09:59:14,961 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 59 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 666 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 09:59:14,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 207 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 367 Invalid, 0 Unknown, 666 Unchecked, 2.1s Time] [2022-10-16 09:59:14,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2022-10-16 09:59:14,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 247. [2022-10-16 09:59:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 226 states have (on average 1.2920353982300885) internal successors, (292), 235 states have internal predecessors, (292), 7 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 09:59:14,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 304 transitions. [2022-10-16 09:59:14,987 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 304 transitions. Word has length 32 [2022-10-16 09:59:14,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:59:14,987 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 304 transitions. [2022-10-16 09:59:14,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 2.2222222222222223) internal successors, (60), 26 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:59:14,987 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 304 transitions. [2022-10-16 09:59:14,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-16 09:59:14,988 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:59:14,988 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:59:15,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-10-16 09:59:15,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:59:15,203 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting mapavgErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-16 09:59:15,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:59:15,204 INFO L85 PathProgramCache]: Analyzing trace with hash -296550083, now seen corresponding path program 1 times [2022-10-16 09:59:15,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:59:15,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577809232] [2022-10-16 09:59:15,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:15,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:15,214 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 09:59:15,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1210390792] [2022-10-16 09:59:15,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:59:15,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:59:15,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:59:15,215 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 09:59:15,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-10-16 09:59:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:59:15,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 42 conjunts are in the unsatisfiable core [2022-10-16 09:59:15,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:59:15,473 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-10-16 09:59:16,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 09:59:16,041 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-10-16 09:59:18,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 09:59:18,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 09:59:18,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 09:59:18,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 09:59:18,981 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 09:59:18,982 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 27 [2022-10-16 09:59:19,579 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:59:19,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:59:27,396 WARN L233 SmtUtils]: Spent 6.96s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-16 09:59:29,884 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_mapavg_~i~0 (select (select |c_#memory_int| c_mapavg_~x.base) (+ (* c_mapavg_~i~0 4) c_mapavg_~x.offset)) c_mapavg_~ret~0))) (and (forall ((v_mapavg_~ret~0_44 Int)) (or (< (+ v_mapavg_~ret~0_44 9223372036854775808) 0) (not (= (mod v_mapavg_~ret~0_44 c_~N~0) 0)) (<= 0 (+ 9223372036854775808 (div v_mapavg_~ret~0_44 c_~N~0))) (< v_mapavg_~ret~0_44 .cse0))) (forall ((v_mapavg_~ret~0_44 Int)) (or (< v_mapavg_~ret~0_44 0) (<= 0 (+ 9223372036854775808 (div v_mapavg_~ret~0_44 c_~N~0))) (< v_mapavg_~ret~0_44 .cse0))) (forall ((v_mapavg_~ret~0_44 Int)) (or (<= 0 (+ 9223372036854775809 (div v_mapavg_~ret~0_44 c_~N~0))) (< (+ v_mapavg_~ret~0_44 9223372036854775808) 0) (< v_mapavg_~ret~0_44 .cse0))))) is different from false [2022-10-16 09:59:32,670 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_mapavg_#t~post1| (select (select |c_#memory_int| c_mapavg_~x.base) (+ (* |c_mapavg_#t~post1| 4) 4 c_mapavg_~x.offset)) c_mapavg_~ret~0 1))) (and (forall ((v_mapavg_~ret~0_44 Int)) (or (<= 0 (+ 9223372036854775809 (div v_mapavg_~ret~0_44 c_~N~0))) (< (+ v_mapavg_~ret~0_44 9223372036854775808) 0) (< v_mapavg_~ret~0_44 .cse0))) (forall ((v_mapavg_~ret~0_44 Int)) (or (< (+ v_mapavg_~ret~0_44 9223372036854775808) 0) (not (= (mod v_mapavg_~ret~0_44 c_~N~0) 0)) (<= 0 (+ 9223372036854775808 (div v_mapavg_~ret~0_44 c_~N~0))) (< v_mapavg_~ret~0_44 .cse0))) (forall ((v_mapavg_~ret~0_44 Int)) (or (< v_mapavg_~ret~0_44 0) (<= 0 (+ 9223372036854775808 (div v_mapavg_~ret~0_44 c_~N~0))) (< v_mapavg_~ret~0_44 .cse0))))) is different from false [2022-10-16 09:59:35,338 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ (select (select |c_#memory_int| c_mapavg_~x.base) (+ (* c_mapavg_~i~0 4) 4 c_mapavg_~x.offset)) c_mapavg_~i~0 c_mapavg_~ret~0 1))) (and (forall ((v_mapavg_~ret~0_44 Int)) (or (< (+ v_mapavg_~ret~0_44 9223372036854775808) 0) (not (= (mod v_mapavg_~ret~0_44 c_~N~0) 0)) (< v_mapavg_~ret~0_44 .cse0) (<= 0 (+ 9223372036854775808 (div v_mapavg_~ret~0_44 c_~N~0))))) (forall ((v_mapavg_~ret~0_44 Int)) (or (<= 0 (+ 9223372036854775809 (div v_mapavg_~ret~0_44 c_~N~0))) (< (+ v_mapavg_~ret~0_44 9223372036854775808) 0) (< v_mapavg_~ret~0_44 .cse0))) (forall ((v_mapavg_~ret~0_44 Int)) (or (< v_mapavg_~ret~0_44 0) (< v_mapavg_~ret~0_44 .cse0) (<= 0 (+ 9223372036854775808 (div v_mapavg_~ret~0_44 c_~N~0))))))) is different from false [2022-10-16 09:59:37,764 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ (* c_mapavg_~i~0 2) (select (select |c_#memory_int| c_mapavg_~x.base) (+ (* c_mapavg_~i~0 4) 4 c_mapavg_~x.offset)) |c_mapavg_#t~mem2| c_mapavg_~ret~0 1))) (and (forall ((v_mapavg_~ret~0_44 Int)) (or (< v_mapavg_~ret~0_44 .cse0) (< v_mapavg_~ret~0_44 0) (<= 0 (+ 9223372036854775808 (div v_mapavg_~ret~0_44 c_~N~0))))) (forall ((v_mapavg_~ret~0_44 Int)) (or (< v_mapavg_~ret~0_44 .cse0) (< (+ v_mapavg_~ret~0_44 9223372036854775808) 0) (not (= (mod v_mapavg_~ret~0_44 c_~N~0) 0)) (<= 0 (+ 9223372036854775808 (div v_mapavg_~ret~0_44 c_~N~0))))) (forall ((v_mapavg_~ret~0_44 Int)) (or (<= 0 (+ 9223372036854775809 (div v_mapavg_~ret~0_44 c_~N~0))) (< v_mapavg_~ret~0_44 .cse0) (< (+ v_mapavg_~ret~0_44 9223372036854775808) 0))))) is different from false [2022-10-16 09:59:40,406 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse1 (select |c_#memory_int| c_mapavg_~x.base)) (.cse2 (* c_mapavg_~i~0 4))) (+ (* c_mapavg_~i~0 2) (select .cse1 (+ .cse2 4 c_mapavg_~x.offset)) (select .cse1 (+ .cse2 c_mapavg_~x.offset)) c_mapavg_~ret~0 1)))) (and (forall ((v_mapavg_~ret~0_44 Int)) (or (< v_mapavg_~ret~0_44 0) (<= 0 (+ 9223372036854775808 (div v_mapavg_~ret~0_44 c_~N~0))) (< v_mapavg_~ret~0_44 .cse0))) (forall ((v_mapavg_~ret~0_44 Int)) (or (<= 0 (+ 9223372036854775809 (div v_mapavg_~ret~0_44 c_~N~0))) (< (+ v_mapavg_~ret~0_44 9223372036854775808) 0) (< v_mapavg_~ret~0_44 .cse0))) (forall ((v_mapavg_~ret~0_44 Int)) (or (< (+ v_mapavg_~ret~0_44 9223372036854775808) 0) (not (= (mod v_mapavg_~ret~0_44 c_~N~0) 0)) (<= 0 (+ 9223372036854775808 (div v_mapavg_~ret~0_44 c_~N~0))) (< v_mapavg_~ret~0_44 .cse0))))) is different from false [2022-10-16 09:59:43,350 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse1 (select |c_#memory_int| |c_mapavg_#in~x.base|))) (+ (select .cse1 |c_mapavg_#in~x.offset|) (select .cse1 (+ |c_mapavg_#in~x.offset| 4)) 1)))) (and (forall ((v_mapavg_~ret~0_44 Int)) (or (< (+ v_mapavg_~ret~0_44 9223372036854775808) 0) (not (= (mod v_mapavg_~ret~0_44 c_~N~0) 0)) (<= 0 (+ 9223372036854775808 (div v_mapavg_~ret~0_44 c_~N~0))) (< v_mapavg_~ret~0_44 .cse0))) (forall ((v_mapavg_~ret~0_44 Int)) (or (<= 0 (+ 9223372036854775809 (div v_mapavg_~ret~0_44 c_~N~0))) (< (+ v_mapavg_~ret~0_44 9223372036854775808) 0) (< v_mapavg_~ret~0_44 .cse0))) (forall ((v_mapavg_~ret~0_44 Int)) (or (< v_mapavg_~ret~0_44 0) (<= 0 (+ 9223372036854775808 (div v_mapavg_~ret~0_44 c_~N~0))) (< v_mapavg_~ret~0_44 .cse0))))) is different from false [2022-10-16 09:59:59,520 WARN L233 SmtUtils]: Spent 11.19s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-16 10:00:21,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 185 [2022-10-16 10:00:21,723 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-16 10:00:21,724 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3676 treesize of output 3436