/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/mapsum1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 09:55:58,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 09:55:58,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 09:55:58,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 09:55:58,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 09:55:58,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 09:55:58,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 09:55:58,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 09:55:58,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 09:55:58,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 09:55:58,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 09:55:58,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 09:55:58,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 09:55:58,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 09:55:58,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 09:55:58,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 09:55:58,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 09:55:58,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 09:55:58,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 09:55:58,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 09:55:58,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 09:55:58,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 09:55:58,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 09:55:58,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 09:55:58,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 09:55:58,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 09:55:58,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 09:55:58,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 09:55:58,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 09:55:58,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 09:55:58,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 09:55:58,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 09:55:58,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 09:55:58,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 09:55:58,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 09:55:58,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 09:55:58,423 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 09:55:58,450 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 09:55:58,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 09:55:58,451 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 09:55:58,451 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 09:55:58,452 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 09:55:58,452 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 09:55:58,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 09:55:58,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 09:55:58,453 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 09:55:58,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 09:55:58,454 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 09:55:58,454 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 09:55:58,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 09:55:58,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 09:55:58,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 09:55:58,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 09:55:58,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 09:55:58,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 09:55:58,456 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 09:55:58,456 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 09:55:58,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 09:55:58,456 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 09:55:58,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 09:55:58,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 09:55:58,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 09:55:58,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 09:55:58,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 09:55:58,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 09:55:58,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 09:55:58,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 09:55:58,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 09:55:58,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 09:55:58,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 09:55:58,459 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 09:55:58,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 09:55:58,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 09:55:58,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 09:55:58,861 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 09:55:58,862 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 09:55:58,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/mapsum1.i [2022-10-16 09:55:58,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93e9ef3ad/d93ffea18c674ffb89f54f21b3a6e8d6/FLAG351ab3b57 [2022-10-16 09:55:59,481 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 09:55:59,481 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/mapsum1.i [2022-10-16 09:55:59,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93e9ef3ad/d93ffea18c674ffb89f54f21b3a6e8d6/FLAG351ab3b57 [2022-10-16 09:55:59,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93e9ef3ad/d93ffea18c674ffb89f54f21b3a6e8d6 [2022-10-16 09:55:59,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 09:55:59,854 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 09:55:59,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 09:55:59,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 09:55:59,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 09:55:59,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:55:59" (1/1) ... [2022-10-16 09:55:59,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9bcb15d 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 09:55:59,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:55:59" (1/1) ... [2022-10-16 09:55:59,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 09:55:59,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 09:56:00,083 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/mapsum1.i[1300,1313] [2022-10-16 09:56:00,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 09:56:00,094 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 09:56:00,119 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/mapsum1.i[1300,1313] [2022-10-16 09:56:00,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 09:56:00,143 INFO L208 MainTranslator]: Completed translation [2022-10-16 09:56:00,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:56:00 WrapperNode [2022-10-16 09:56:00,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 09:56:00,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 09:56:00,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 09:56:00,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 09:56:00,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:56:00" (1/1) ... [2022-10-16 09:56:00,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:56:00" (1/1) ... [2022-10-16 09:56:00,214 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 73 [2022-10-16 09:56:00,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 09:56:00,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 09:56:00,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 09:56:00,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 09:56:00,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:56:00" (1/1) ... [2022-10-16 09:56:00,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:56:00" (1/1) ... [2022-10-16 09:56:00,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:56:00" (1/1) ... [2022-10-16 09:56:00,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:56:00" (1/1) ... [2022-10-16 09:56:00,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:56:00" (1/1) ... [2022-10-16 09:56:00,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:56:00" (1/1) ... [2022-10-16 09:56:00,283 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:56:00" (1/1) ... [2022-10-16 09:56:00,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:56:00" (1/1) ... [2022-10-16 09:56:00,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 09:56:00,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 09:56:00,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 09:56:00,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 09:56:00,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:56:00" (1/1) ... [2022-10-16 09:56:00,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 09:56:00,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:56:00,342 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 09:56:00,362 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 09:56:00,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 09:56:00,417 INFO L130 BoogieDeclarations]: Found specification of procedure mapsum [2022-10-16 09:56:00,418 INFO L138 BoogieDeclarations]: Found implementation of procedure mapsum [2022-10-16 09:56:00,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 09:56:00,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 09:56:00,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 09:56:00,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 09:56:00,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 09:56:00,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 09:56:00,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 09:56:00,524 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 09:56:00,527 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 09:56:00,857 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 09:56:00,865 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 09:56:00,865 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-16 09:56:00,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:56:00 BoogieIcfgContainer [2022-10-16 09:56:00,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 09:56:00,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 09:56:00,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 09:56:00,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 09:56:00,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 09:55:59" (1/3) ... [2022-10-16 09:56:00,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@265f64ad 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 09:56:00,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:56:00" (2/3) ... [2022-10-16 09:56:00,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@265f64ad 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 09:56:00,876 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 09:56:00,877 INFO L112 eAbstractionObserver]: Analyzing ICFG mapsum1.i [2022-10-16 09:56:00,898 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 09:56:00,898 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-10-16 09:56:01,011 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 09:56:01,039 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;@2d7c9a04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 09:56:01,039 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-10-16 09:56:01,052 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 43 states have internal predecessors, (50), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 09:56:01,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 09:56:01,060 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:01,061 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 09:56:01,061 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:56:01,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:01,068 INFO L85 PathProgramCache]: Analyzing trace with hash 55419268, now seen corresponding path program 1 times [2022-10-16 09:56:01,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:01,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292550669] [2022-10-16 09:56:01,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:01,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:01,367 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 09:56:01,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:01,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292550669] [2022-10-16 09:56:01,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292550669] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 09:56:01,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 09:56:01,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 09:56:01,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688757108] [2022-10-16 09:56:01,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 09:56:01,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 09:56:01,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:01,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 09:56:01,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 09:56:01,425 INFO L87 Difference]: Start difference. First operand has 48 states, 31 states have (on average 1.6129032258064515) internal successors, (50), 43 states have internal predecessors, (50), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:01,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:01,493 INFO L93 Difference]: Finished difference Result 94 states and 113 transitions. [2022-10-16 09:56:01,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 09:56:01,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-10-16 09:56:01,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:01,510 INFO L225 Difference]: With dead ends: 94 [2022-10-16 09:56:01,511 INFO L226 Difference]: Without dead ends: 46 [2022-10-16 09:56:01,517 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 09:56:01,524 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 3 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:01,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 140 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 09:56:01,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-10-16 09:56:01,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-10-16 09:56:01,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.5) internal successors, (45), 42 states have internal predecessors, (45), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:56:01,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2022-10-16 09:56:01,596 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 5 [2022-10-16 09:56:01,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:01,596 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2022-10-16 09:56:01,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:01,598 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2022-10-16 09:56:01,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 09:56:01,600 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:01,600 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2022-10-16 09:56:01,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 09:56:01,601 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:56:01,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:01,603 INFO L85 PathProgramCache]: Analyzing trace with hash 2029775616, now seen corresponding path program 1 times [2022-10-16 09:56:01,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:01,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013744601] [2022-10-16 09:56:01,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:01,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:01,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 09:56:01,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:01,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013744601] [2022-10-16 09:56:01,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013744601] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 09:56:01,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 09:56:01,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 09:56:01,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684327491] [2022-10-16 09:56:01,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 09:56:01,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 09:56:01,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:01,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 09:56:01,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 09:56:01,801 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:01,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:01,832 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2022-10-16 09:56:01,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 09:56:01,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 09:56:01,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:01,835 INFO L225 Difference]: With dead ends: 46 [2022-10-16 09:56:01,836 INFO L226 Difference]: Without dead ends: 45 [2022-10-16 09:56:01,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 09:56:01,840 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 5 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:01,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 117 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 09:56:01,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-10-16 09:56:01,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-10-16 09:56:01,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 41 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:56:01,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2022-10-16 09:56:01,862 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 9 [2022-10-16 09:56:01,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:01,862 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2022-10-16 09:56:01,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:01,863 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2022-10-16 09:56:01,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 09:56:01,864 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:01,865 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:01,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 09:56:01,867 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:56:01,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:01,872 INFO L85 PathProgramCache]: Analyzing trace with hash 698698792, now seen corresponding path program 1 times [2022-10-16 09:56:01,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:01,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885396843] [2022-10-16 09:56:01,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:01,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:01,986 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 09:56:01,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:01,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885396843] [2022-10-16 09:56:01,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885396843] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:56:01,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781126940] [2022-10-16 09:56:01,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:01,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:01,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:56:01,990 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 09:56:02,003 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 09:56:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:02,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 09:56:02,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:56:02,139 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 09:56:02,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:56:02,177 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 09:56:02,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781126940] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:56:02,178 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:56:02,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-10-16 09:56:02,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659055160] [2022-10-16 09:56:02,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:56:02,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 09:56:02,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:02,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 09:56:02,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-10-16 09:56:02,181 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:02,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:02,276 INFO L93 Difference]: Finished difference Result 85 states and 94 transitions. [2022-10-16 09:56:02,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 09:56:02,277 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-10-16 09:56:02,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:02,278 INFO L225 Difference]: With dead ends: 85 [2022-10-16 09:56:02,278 INFO L226 Difference]: Without dead ends: 51 [2022-10-16 09:56:02,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-10-16 09:56:02,281 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 16 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:02,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 272 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 09:56:02,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-10-16 09:56:02,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 50. [2022-10-16 09:56:02,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 46 states have internal predecessors, (50), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:56:02,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2022-10-16 09:56:02,291 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 11 [2022-10-16 09:56:02,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:02,292 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2022-10-16 09:56:02,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:02,292 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2022-10-16 09:56:02,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 09:56:02,293 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:02,293 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2022-10-16 09:56:02,328 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 09:56:02,507 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 09:56:02,508 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:56:02,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:02,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1501465270, now seen corresponding path program 1 times [2022-10-16 09:56:02,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:02,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013121026] [2022-10-16 09:56:02,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:02,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:02,634 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 09:56:02,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:02,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013121026] [2022-10-16 09:56:02,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013121026] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:56:02,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488304130] [2022-10-16 09:56:02,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:02,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:02,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:56:02,637 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 09:56:02,643 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 09:56:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:02,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 09:56:02,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:56:02,738 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 09:56:02,738 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 09:56:02,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488304130] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 09:56:02,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 09:56:02,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 09:56:02,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390249514] [2022-10-16 09:56:02,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 09:56:02,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 09:56:02,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:02,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 09:56:02,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 09:56:02,742 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:02,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:02,790 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2022-10-16 09:56:02,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 09:56:02,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 09:56:02,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:02,792 INFO L225 Difference]: With dead ends: 50 [2022-10-16 09:56:02,792 INFO L226 Difference]: Without dead ends: 49 [2022-10-16 09:56:02,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 09:56:02,794 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 34 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:02,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 137 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 09:56:02,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-10-16 09:56:02,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-10-16 09:56:02,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 45 states have internal predecessors, (48), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:56:02,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2022-10-16 09:56:02,804 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 10 [2022-10-16 09:56:02,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:02,804 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2022-10-16 09:56:02,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:02,805 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2022-10-16 09:56:02,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 09:56:02,806 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:02,806 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:02,834 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 09:56:03,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-10-16 09:56:03,017 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:56:03,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:03,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1965762336, now seen corresponding path program 2 times [2022-10-16 09:56:03,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:03,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494456816] [2022-10-16 09:56:03,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:03,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:03,108 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 09:56:03,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:03,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494456816] [2022-10-16 09:56:03,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494456816] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 09:56:03,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 09:56:03,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 09:56:03,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677000404] [2022-10-16 09:56:03,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 09:56:03,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 09:56:03,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:03,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 09:56:03,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 09:56:03,115 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:03,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:03,157 INFO L93 Difference]: Finished difference Result 89 states and 100 transitions. [2022-10-16 09:56:03,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 09:56:03,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-10-16 09:56:03,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:03,159 INFO L225 Difference]: With dead ends: 89 [2022-10-16 09:56:03,159 INFO L226 Difference]: Without dead ends: 56 [2022-10-16 09:56:03,160 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 09:56:03,164 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 5 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:03,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 67 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 09:56:03,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-10-16 09:56:03,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2022-10-16 09:56:03,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 48 states have internal predecessors, (51), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:56:03,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2022-10-16 09:56:03,177 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 19 [2022-10-16 09:56:03,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:03,178 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2022-10-16 09:56:03,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:03,178 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2022-10-16 09:56:03,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-16 09:56:03,179 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:03,179 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:03,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 09:56:03,180 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:56:03,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:03,181 INFO L85 PathProgramCache]: Analyzing trace with hash -688003998, now seen corresponding path program 1 times [2022-10-16 09:56:03,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:03,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389801296] [2022-10-16 09:56:03,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:03,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:03,429 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:03,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:03,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389801296] [2022-10-16 09:56:03,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389801296] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:56:03,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241645045] [2022-10-16 09:56:03,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:03,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:03,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:56:03,436 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 09:56:03,459 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 09:56:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:03,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 09:56:03,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:56:03,573 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:03,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:56:03,677 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:03,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241645045] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:56:03,678 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:56:03,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-10-16 09:56:03,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362644955] [2022-10-16 09:56:03,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:56:03,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 09:56:03,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:03,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 09:56:03,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-10-16 09:56:03,681 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand has 18 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 18 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:03,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:03,813 INFO L93 Difference]: Finished difference Result 105 states and 116 transitions. [2022-10-16 09:56:03,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 09:56:03,814 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 18 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-10-16 09:56:03,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:03,815 INFO L225 Difference]: With dead ends: 105 [2022-10-16 09:56:03,815 INFO L226 Difference]: Without dead ends: 68 [2022-10-16 09:56:03,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2022-10-16 09:56:03,818 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 29 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:03,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 348 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 09:56:03,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-10-16 09:56:03,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-10-16 09:56:03,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 64 states have internal predecessors, (67), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:56:03,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2022-10-16 09:56:03,827 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 21 [2022-10-16 09:56:03,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:03,828 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2022-10-16 09:56:03,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 18 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:03,828 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2022-10-16 09:56:03,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-16 09:56:03,829 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:03,830 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:03,866 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 09:56:04,043 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 09:56:04,044 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:56:04,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:04,046 INFO L85 PathProgramCache]: Analyzing trace with hash -426084782, now seen corresponding path program 2 times [2022-10-16 09:56:04,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:04,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922090475] [2022-10-16 09:56:04,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:04,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:04,349 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:04,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:04,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922090475] [2022-10-16 09:56:04,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922090475] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:56:04,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891301407] [2022-10-16 09:56:04,351 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 09:56:04,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:04,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:56:04,352 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 09:56:04,364 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 09:56:04,421 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 09:56:04,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 09:56:04,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 09:56:04,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:56:04,513 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:04,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:56:04,846 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:04,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891301407] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:56:04,847 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:56:04,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2022-10-16 09:56:04,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023769624] [2022-10-16 09:56:04,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:56:04,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-10-16 09:56:04,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:04,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-10-16 09:56:04,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 09:56:04,850 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand has 34 states, 34 states have (on average 2.088235294117647) internal successors, (71), 34 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:05,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:05,151 INFO L93 Difference]: Finished difference Result 137 states and 152 transitions. [2022-10-16 09:56:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-16 09:56:05,152 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.088235294117647) internal successors, (71), 34 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-10-16 09:56:05,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:05,153 INFO L225 Difference]: With dead ends: 137 [2022-10-16 09:56:05,153 INFO L226 Difference]: Without dead ends: 100 [2022-10-16 09:56:05,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=659, Invalid=1597, Unknown=0, NotChecked=0, Total=2256 [2022-10-16 09:56:05,156 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 107 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:05,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 234 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 09:56:05,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-10-16 09:56:05,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2022-10-16 09:56:05,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 86 states have (on average 1.1511627906976745) internal successors, (99), 96 states have internal predecessors, (99), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:56:05,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 104 transitions. [2022-10-16 09:56:05,168 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 104 transitions. Word has length 37 [2022-10-16 09:56:05,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:05,168 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 104 transitions. [2022-10-16 09:56:05,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.088235294117647) internal successors, (71), 34 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:05,169 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 104 transitions. [2022-10-16 09:56:05,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 09:56:05,171 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:05,171 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:05,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 09:56:05,385 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 09:56:05,386 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:56:05,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:05,387 INFO L85 PathProgramCache]: Analyzing trace with hash -544343502, now seen corresponding path program 3 times [2022-10-16 09:56:05,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:05,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268454456] [2022-10-16 09:56:05,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:05,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:06,450 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:06,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:06,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268454456] [2022-10-16 09:56:06,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268454456] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:56:06,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318517790] [2022-10-16 09:56:06,451 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 09:56:06,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:06,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:56:06,453 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 09:56:06,476 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 09:56:06,647 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2022-10-16 09:56:06,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 09:56:06,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-16 09:56:06,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:56:06,825 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:06,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:56:07,792 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:07,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318517790] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:56:07,792 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:56:07,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 66 [2022-10-16 09:56:07,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053462313] [2022-10-16 09:56:07,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:56:07,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-10-16 09:56:07,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:07,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-10-16 09:56:07,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1122, Invalid=3168, Unknown=0, NotChecked=0, Total=4290 [2022-10-16 09:56:07,798 INFO L87 Difference]: Start difference. First operand 100 states and 104 transitions. Second operand has 66 states, 66 states have (on average 2.0454545454545454) internal successors, (135), 66 states have internal predecessors, (135), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:08,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:08,644 INFO L93 Difference]: Finished difference Result 201 states and 224 transitions. [2022-10-16 09:56:08,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-10-16 09:56:08,648 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 2.0454545454545454) internal successors, (135), 66 states have internal predecessors, (135), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 09:56:08,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:08,650 INFO L225 Difference]: With dead ends: 201 [2022-10-16 09:56:08,650 INFO L226 Difference]: Without dead ends: 164 [2022-10-16 09:56:08,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1991 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=2595, Invalid=6525, Unknown=0, NotChecked=0, Total=9120 [2022-10-16 09:56:08,657 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 235 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:08,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 427 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 09:56:08,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-10-16 09:56:08,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2022-10-16 09:56:08,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 150 states have (on average 1.0866666666666667) internal successors, (163), 160 states have internal predecessors, (163), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:56:08,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 168 transitions. [2022-10-16 09:56:08,675 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 168 transitions. Word has length 69 [2022-10-16 09:56:08,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:08,676 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 168 transitions. [2022-10-16 09:56:08,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 2.0454545454545454) internal successors, (135), 66 states have internal predecessors, (135), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:08,676 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 168 transitions. [2022-10-16 09:56:08,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-16 09:56:08,679 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:08,679 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:08,718 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 09:56:08,893 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 09:56:08,894 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:56:08,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:08,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1319206414, now seen corresponding path program 4 times [2022-10-16 09:56:08,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:08,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903867429] [2022-10-16 09:56:08,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:08,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:12,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:12,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903867429] [2022-10-16 09:56:12,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903867429] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:56:12,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675804675] [2022-10-16 09:56:12,073 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-10-16 09:56:12,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:12,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:56:12,074 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 09:56:12,078 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 09:56:12,202 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-10-16 09:56:12,202 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 09:56:12,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 64 conjunts are in the unsatisfiable core [2022-10-16 09:56:12,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:56:12,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:12,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:56:15,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:15,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675804675] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:56:15,875 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:56:15,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 130 [2022-10-16 09:56:15,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281815269] [2022-10-16 09:56:15,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:56:15,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2022-10-16 09:56:15,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:56:15,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2022-10-16 09:56:15,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4290, Invalid=12480, Unknown=0, NotChecked=0, Total=16770 [2022-10-16 09:56:15,885 INFO L87 Difference]: Start difference. First operand 164 states and 168 transitions. Second operand has 130 states, 130 states have (on average 2.023076923076923) internal successors, (263), 130 states have internal predecessors, (263), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:18,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:56:18,993 INFO L93 Difference]: Finished difference Result 329 states and 368 transitions. [2022-10-16 09:56:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-10-16 09:56:18,994 INFO L78 Accepts]: Start accepts. Automaton has has 130 states, 130 states have (on average 2.023076923076923) internal successors, (263), 130 states have internal predecessors, (263), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-10-16 09:56:18,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:56:18,997 INFO L225 Difference]: With dead ends: 329 [2022-10-16 09:56:18,997 INFO L226 Difference]: Without dead ends: 292 [2022-10-16 09:56:19,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8087 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=10307, Invalid=26365, Unknown=0, NotChecked=0, Total=36672 [2022-10-16 09:56:19,008 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 557 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 09:56:19,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 426 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 09:56:19,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2022-10-16 09:56:19,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2022-10-16 09:56:19,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 278 states have (on average 1.0467625899280575) internal successors, (291), 288 states have internal predecessors, (291), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 09:56:19,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 296 transitions. [2022-10-16 09:56:19,029 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 296 transitions. Word has length 133 [2022-10-16 09:56:19,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:56:19,030 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 296 transitions. [2022-10-16 09:56:19,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 2.023076923076923) internal successors, (263), 130 states have internal predecessors, (263), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 09:56:19,031 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 296 transitions. [2022-10-16 09:56:19,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-10-16 09:56:19,035 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:56:19,036 INFO L195 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:56:19,068 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 09:56:19,250 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 09:56:19,251 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:56:19,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:56:19,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1666870926, now seen corresponding path program 5 times [2022-10-16 09:56:19,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:56:19,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775411940] [2022-10-16 09:56:19,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:56:19,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:56:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 09:56:29,525 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:56:29,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 09:56:29,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775411940] [2022-10-16 09:56:29,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775411940] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 09:56:29,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675858234] [2022-10-16 09:56:29,526 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-10-16 09:56:29,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:56:29,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 09:56:29,527 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 09:56:29,531 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 09:58:38,384 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 64 check-sat command(s) [2022-10-16 09:58:38,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 09:58:38,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 128 conjunts are in the unsatisfiable core [2022-10-16 09:58:38,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 09:58:39,016 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:58:39,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 09:58:50,377 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 09:58:50,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675858234] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 09:58:50,378 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 09:58:50,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [129, 129, 129] total 203 [2022-10-16 09:58:50,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069775517] [2022-10-16 09:58:50,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 09:58:50,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 203 states [2022-10-16 09:58:50,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 09:58:50,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2022-10-16 09:58:50,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10403, Invalid=30603, Unknown=0, NotChecked=0, Total=41006 [2022-10-16 09:58:50,390 INFO L87 Difference]: Start difference. First operand 292 states and 296 transitions. Second operand has 203 states, 203 states have (on average 2.0246305418719213) internal successors, (411), 203 states have internal predecessors, (411), 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 09:58:59,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 09:58:59,215 INFO L93 Difference]: Finished difference Result 477 states and 521 transitions. [2022-10-16 09:58:59,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2022-10-16 09:58:59,216 INFO L78 Accepts]: Start accepts. Automaton has has 203 states, 203 states have (on average 2.0246305418719213) internal successors, (411), 203 states have internal predecessors, (411), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 261 [2022-10-16 09:58:59,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 09:58:59,219 INFO L225 Difference]: With dead ends: 477 [2022-10-16 09:58:59,220 INFO L226 Difference]: Without dead ends: 440 [2022-10-16 09:58:59,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 748 GetRequests, 393 SyntacticMatches, 55 SemanticMatches, 300 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26135 ImplicationChecksByTransitivity, 22.6s TimeCoverageRelationStatistics Valid=25453, Invalid=65449, Unknown=0, NotChecked=0, Total=90902 [2022-10-16 09:58:59,231 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 928 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 09:58:59,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 619 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 09:58:59,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-10-16 09:58:59,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2022-10-16 09:58:59,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 426 states have (on average 1.0305164319248827) internal successors, (439), 436 states have internal predecessors, (439), 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 09:58:59,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 444 transitions. [2022-10-16 09:58:59,255 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 444 transitions. Word has length 261 [2022-10-16 09:58:59,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 09:58:59,256 INFO L495 AbstractCegarLoop]: Abstraction has 440 states and 444 transitions. [2022-10-16 09:58:59,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 203 states, 203 states have (on average 2.0246305418719213) internal successors, (411), 203 states have internal predecessors, (411), 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 09:58:59,257 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 444 transitions. [2022-10-16 09:58:59,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2022-10-16 09:58:59,264 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 09:58:59,265 INFO L195 NwaCegarLoop]: trace histogram [100, 100, 100, 100, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 09:58:59,330 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 09:58:59,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 09:58:59,479 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mapsumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mapsumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 09:58:59,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 09:58:59,481 INFO L85 PathProgramCache]: Analyzing trace with hash -2127649698, now seen corresponding path program 6 times [2022-10-16 09:58:59,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 09:58:59,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56995830] [2022-10-16 09:58:59,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 09:58:59,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 09:59:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat