./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_password_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_password_ground.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3cb77685c99da394e56759788276300560cc521e5b9b98850714a1baff20c383 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 17:55:19,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 17:55:19,246 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 17:55:19,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 17:55:19,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 17:55:19,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 17:55:19,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 17:55:19,276 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 17:55:19,277 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 17:55:19,277 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 17:55:19,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 17:55:19,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 17:55:19,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 17:55:19,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 17:55:19,300 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 17:55:19,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 17:55:19,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 17:55:19,301 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 17:55:19,302 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 17:55:19,302 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 17:55:19,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 17:55:19,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 17:55:19,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 17:55:19,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 17:55:19,303 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 17:55:19,304 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 17:55:19,304 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 17:55:19,304 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 17:55:19,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 17:55:19,305 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 17:55:19,305 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 17:55:19,305 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 17:55:19,305 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 17:55:19,306 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 17:55:19,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:55:19,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 17:55:19,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 17:55:19,307 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 17:55:19,307 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 17:55:19,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 17:55:19,307 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 17:55:19,308 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 17:55:19,308 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 17:55:19,308 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 17:55:19,308 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cb77685c99da394e56759788276300560cc521e5b9b98850714a1baff20c383 [2024-11-20 17:55:19,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 17:55:19,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 17:55:19,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 17:55:19,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 17:55:19,581 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 17:55:19,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_password_ground.i [2024-11-20 17:55:20,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 17:55:21,080 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 17:55:21,080 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_password_ground.i [2024-11-20 17:55:21,086 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0de90235/0171bb0a66fe47638c6738c7e767abba/FLAGf33099458 [2024-11-20 17:55:21,492 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0de90235/0171bb0a66fe47638c6738c7e767abba [2024-11-20 17:55:21,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 17:55:21,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 17:55:21,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 17:55:21,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 17:55:21,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 17:55:21,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:55:21" (1/1) ... [2024-11-20 17:55:21,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48bb8085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:21, skipping insertion in model container [2024-11-20 17:55:21,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:55:21" (1/1) ... [2024-11-20 17:55:21,529 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 17:55:21,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:55:21,691 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 17:55:21,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:55:21,720 INFO L204 MainTranslator]: Completed translation [2024-11-20 17:55:21,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:21 WrapperNode [2024-11-20 17:55:21,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 17:55:21,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 17:55:21,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 17:55:21,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 17:55:21,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:21" (1/1) ... [2024-11-20 17:55:21,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:21" (1/1) ... [2024-11-20 17:55:21,752 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2024-11-20 17:55:21,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 17:55:21,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 17:55:21,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 17:55:21,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 17:55:21,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:21" (1/1) ... [2024-11-20 17:55:21,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:21" (1/1) ... [2024-11-20 17:55:21,765 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:21" (1/1) ... [2024-11-20 17:55:21,783 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 3, 3]. 38 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-11-20 17:55:21,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:21" (1/1) ... [2024-11-20 17:55:21,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:21" (1/1) ... [2024-11-20 17:55:21,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:21" (1/1) ... [2024-11-20 17:55:21,797 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:21" (1/1) ... [2024-11-20 17:55:21,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:21" (1/1) ... [2024-11-20 17:55:21,799 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:21" (1/1) ... [2024-11-20 17:55:21,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 17:55:21,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 17:55:21,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 17:55:21,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 17:55:21,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:21" (1/1) ... [2024-11-20 17:55:21,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:55:21,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:55:21,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 17:55:21,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 17:55:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 17:55:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 17:55:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 17:55:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 17:55:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 17:55:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 17:55:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 17:55:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 17:55:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 17:55:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 17:55:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 17:55:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 17:55:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 17:55:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 17:55:21,967 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 17:55:21,971 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 17:55:22,104 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-20 17:55:22,104 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 17:55:22,115 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 17:55:22,115 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-20 17:55:22,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:55:22 BoogieIcfgContainer [2024-11-20 17:55:22,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 17:55:22,118 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 17:55:22,119 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 17:55:22,121 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 17:55:22,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:55:21" (1/3) ... [2024-11-20 17:55:22,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a711503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:55:22, skipping insertion in model container [2024-11-20 17:55:22,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:21" (2/3) ... [2024-11-20 17:55:22,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a711503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:55:22, skipping insertion in model container [2024-11-20 17:55:22,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:55:22" (3/3) ... [2024-11-20 17:55:22,124 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_password_ground.i [2024-11-20 17:55:22,137 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 17:55:22,137 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-20 17:55:22,186 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 17:55:22,191 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@35088c17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 17:55:22,192 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-20 17:55:22,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 32 states have internal predecessors, (42), 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) [2024-11-20 17:55:22,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-20 17:55:22,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:22,202 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-20 17:55:22,202 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 17:55:22,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:22,207 INFO L85 PathProgramCache]: Analyzing trace with hash 28698728, now seen corresponding path program 1 times [2024-11-20 17:55:22,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:22,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255348281] [2024-11-20 17:55:22,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:22,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:55:22,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:22,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255348281] [2024-11-20 17:55:22,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255348281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:55:22,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:55:22,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:55:22,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773291866] [2024-11-20 17:55:22,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:55:22,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:55:22,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:22,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:55:22,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:55:22,470 INFO L87 Difference]: Start difference. First operand has 33 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 32 states have internal predecessors, (42), 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) 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) [2024-11-20 17:55:22,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:22,532 INFO L93 Difference]: Finished difference Result 66 states and 87 transitions. [2024-11-20 17:55:22,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:55:22,535 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 [2024-11-20 17:55:22,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:22,541 INFO L225 Difference]: With dead ends: 66 [2024-11-20 17:55:22,542 INFO L226 Difference]: Without dead ends: 32 [2024-11-20 17:55:22,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:55:22,547 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 4 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:22,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 80 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:55:22,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-20 17:55:22,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2024-11-20 17:55:22,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 24 states have (on average 1.375) internal successors, (33), 29 states have internal predecessors, (33), 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) [2024-11-20 17:55:22,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2024-11-20 17:55:22,579 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 5 [2024-11-20 17:55:22,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:22,579 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2024-11-20 17:55:22,580 INFO L472 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) [2024-11-20 17:55:22,580 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2024-11-20 17:55:22,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-20 17:55:22,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:22,581 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-20 17:55:22,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 17:55:22,581 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 17:55:22,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:22,582 INFO L85 PathProgramCache]: Analyzing trace with hash -363792156, now seen corresponding path program 1 times [2024-11-20 17:55:22,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:22,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095610535] [2024-11-20 17:55:22,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:22,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:22,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:55:22,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:22,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095610535] [2024-11-20 17:55:22,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095610535] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:55:22,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028378405] [2024-11-20 17:55:22,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:22,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:22,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:55:22,717 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) [2024-11-20 17:55:22,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 17:55:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:22,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 17:55:22,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:55:22,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:55:22,856 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:55:22,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028378405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:55:22,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 17:55:22,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-20 17:55:22,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906727927] [2024-11-20 17:55:22,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:55:22,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:55:22,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:22,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:55:22,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 17:55:22,859 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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) [2024-11-20 17:55:22,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:22,949 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2024-11-20 17:55:22,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:55:22,949 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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 [2024-11-20 17:55:22,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:22,950 INFO L225 Difference]: With dead ends: 32 [2024-11-20 17:55:22,950 INFO L226 Difference]: Without dead ends: 31 [2024-11-20 17:55:22,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 17:55:22,952 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 4 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:22,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 67 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:55:22,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-20 17:55:22,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2024-11-20 17:55:22,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 28 states have internal predecessors, (32), 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) [2024-11-20 17:55:22,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2024-11-20 17:55:22,960 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 9 [2024-11-20 17:55:22,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:22,960 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2024-11-20 17:55:22,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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) [2024-11-20 17:55:22,960 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2024-11-20 17:55:22,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-20 17:55:22,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:22,960 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-20 17:55:22,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 17:55:23,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:23,163 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 17:55:23,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:23,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1607345098, now seen corresponding path program 1 times [2024-11-20 17:55:23,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:23,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256775798] [2024-11-20 17:55:23,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:23,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:23,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 17:55:23,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:23,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256775798] [2024-11-20 17:55:23,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256775798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:55:23,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:55:23,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:55:23,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971674693] [2024-11-20 17:55:23,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:55:23,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:55:23,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:23,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:55:23,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:55:23,231 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:55:23,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:23,249 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2024-11-20 17:55:23,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:55:23,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-20 17:55:23,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:23,250 INFO L225 Difference]: With dead ends: 29 [2024-11-20 17:55:23,250 INFO L226 Difference]: Without dead ends: 28 [2024-11-20 17:55:23,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:55:23,251 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 3 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:23,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 52 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:55:23,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-20 17:55:23,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2024-11-20 17:55:23,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 24 states have internal predecessors, (28), 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) [2024-11-20 17:55:23,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2024-11-20 17:55:23,256 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 10 [2024-11-20 17:55:23,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:23,256 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-11-20 17:55:23,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:55:23,257 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-20 17:55:23,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-20 17:55:23,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:23,257 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:23,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 17:55:23,258 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 17:55:23,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:23,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1579022023, now seen corresponding path program 1 times [2024-11-20 17:55:23,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:23,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225233275] [2024-11-20 17:55:23,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:23,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:23,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:55:23,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:23,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225233275] [2024-11-20 17:55:23,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225233275] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:55:23,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225579209] [2024-11-20 17:55:23,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:23,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:23,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:55:23,316 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) [2024-11-20 17:55:23,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 17:55:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:23,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 17:55:23,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:55:23,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:55:23,381 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:55:23,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:55:23,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225579209] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:55:23,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:55:23,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-20 17:55:23,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533384248] [2024-11-20 17:55:23,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:55:23,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 17:55:23,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:23,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 17:55:23,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-20 17:55:23,409 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:55:23,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:23,447 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2024-11-20 17:55:23,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 17:55:23,447 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-20 17:55:23,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:23,448 INFO L225 Difference]: With dead ends: 53 [2024-11-20 17:55:23,448 INFO L226 Difference]: Without dead ends: 35 [2024-11-20 17:55:23,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-20 17:55:23,449 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 7 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:23,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 120 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:55:23,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-20 17:55:23,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2024-11-20 17:55:23,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 32 states have internal predecessors, (36), 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) [2024-11-20 17:55:23,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2024-11-20 17:55:23,452 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 12 [2024-11-20 17:55:23,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:23,453 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2024-11-20 17:55:23,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:55:23,453 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2024-11-20 17:55:23,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-20 17:55:23,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:23,453 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:23,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 17:55:23,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-20 17:55:23,655 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 17:55:23,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:23,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1437450049, now seen corresponding path program 2 times [2024-11-20 17:55:23,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:23,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521383930] [2024-11-20 17:55:23,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:23,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:23,706 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 17:55:23,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:23,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521383930] [2024-11-20 17:55:23,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521383930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:55:23,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:55:23,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:55:23,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182354895] [2024-11-20 17:55:23,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:55:23,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:55:23,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:23,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:55:23,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:55:23,708 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:55:23,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:23,729 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2024-11-20 17:55:23,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:55:23,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-20 17:55:23,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:23,731 INFO L225 Difference]: With dead ends: 39 [2024-11-20 17:55:23,731 INFO L226 Difference]: Without dead ends: 37 [2024-11-20 17:55:23,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:55:23,732 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 3 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:23,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 52 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:55:23,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-20 17:55:23,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-20 17:55:23,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 36 states have internal predecessors, (41), 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) [2024-11-20 17:55:23,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2024-11-20 17:55:23,736 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 20 [2024-11-20 17:55:23,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:23,736 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2024-11-20 17:55:23,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:55:23,736 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2024-11-20 17:55:23,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-20 17:55:23,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:23,737 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:23,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 17:55:23,737 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 17:55:23,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:23,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1897641653, now seen corresponding path program 1 times [2024-11-20 17:55:23,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:23,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535473658] [2024-11-20 17:55:23,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:23,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:23,848 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:55:23,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:23,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535473658] [2024-11-20 17:55:23,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535473658] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:55:23,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581608992] [2024-11-20 17:55:23,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:23,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:23,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:55:23,851 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) [2024-11-20 17:55:23,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 17:55:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:23,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 17:55:23,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:55:23,946 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:55:23,949 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:55:24,038 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:55:24,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581608992] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:55:24,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:55:24,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-20 17:55:24,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460641430] [2024-11-20 17:55:24,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:55:24,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-20 17:55:24,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:24,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-20 17:55:24,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-20 17:55:24,042 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 18 states have internal predecessors, (41), 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) [2024-11-20 17:55:24,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:24,099 INFO L93 Difference]: Finished difference Result 75 states and 86 transitions. [2024-11-20 17:55:24,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 17:55:24,099 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 18 states have internal predecessors, (41), 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 25 [2024-11-20 17:55:24,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:24,100 INFO L225 Difference]: With dead ends: 75 [2024-11-20 17:55:24,100 INFO L226 Difference]: Without dead ends: 53 [2024-11-20 17:55:24,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-20 17:55:24,101 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 19 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:24,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 82 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:55:24,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-20 17:55:24,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-20 17:55:24,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 49 states have (on average 1.163265306122449) internal successors, (57), 52 states have internal predecessors, (57), 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) [2024-11-20 17:55:24,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2024-11-20 17:55:24,105 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 25 [2024-11-20 17:55:24,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:24,106 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2024-11-20 17:55:24,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 18 states have internal predecessors, (41), 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) [2024-11-20 17:55:24,106 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2024-11-20 17:55:24,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-20 17:55:24,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:24,107 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:24,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 17:55:24,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:24,311 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 17:55:24,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:24,312 INFO L85 PathProgramCache]: Analyzing trace with hash -919699653, now seen corresponding path program 2 times [2024-11-20 17:55:24,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:24,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859446078] [2024-11-20 17:55:24,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:24,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:24,567 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:55:24,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:24,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859446078] [2024-11-20 17:55:24,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859446078] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:55:24,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796501918] [2024-11-20 17:55:24,568 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 17:55:24,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:24,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:55:24,570 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) [2024-11-20 17:55:24,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 17:55:24,632 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 17:55:24,632 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:55:24,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-20 17:55:24,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:55:24,683 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:55:24,683 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:55:24,913 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:55:24,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796501918] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:55:24,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:55:24,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-20 17:55:24,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756381466] [2024-11-20 17:55:24,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:55:24,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-20 17:55:24,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:24,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-20 17:55:24,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-20 17:55:24,915 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand has 34 states, 34 states have (on average 2.1470588235294117) internal successors, (73), 34 states have internal predecessors, (73), 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) [2024-11-20 17:55:25,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:25,054 INFO L93 Difference]: Finished difference Result 107 states and 122 transitions. [2024-11-20 17:55:25,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-20 17:55:25,056 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.1470588235294117) internal successors, (73), 34 states have internal predecessors, (73), 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 41 [2024-11-20 17:55:25,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:25,056 INFO L225 Difference]: With dead ends: 107 [2024-11-20 17:55:25,056 INFO L226 Difference]: Without dead ends: 85 [2024-11-20 17:55:25,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-20 17:55:25,058 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 19 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:25,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 116 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:55:25,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-20 17:55:25,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-20 17:55:25,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 81 states have (on average 1.0987654320987654) internal successors, (89), 84 states have internal predecessors, (89), 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) [2024-11-20 17:55:25,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 89 transitions. [2024-11-20 17:55:25,072 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 89 transitions. Word has length 41 [2024-11-20 17:55:25,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:25,072 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 89 transitions. [2024-11-20 17:55:25,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.1470588235294117) internal successors, (73), 34 states have internal predecessors, (73), 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) [2024-11-20 17:55:25,072 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2024-11-20 17:55:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-20 17:55:25,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:25,073 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:25,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-20 17:55:25,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:25,274 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 17:55:25,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:25,275 INFO L85 PathProgramCache]: Analyzing trace with hash 807750427, now seen corresponding path program 3 times [2024-11-20 17:55:25,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:25,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243459157] [2024-11-20 17:55:25,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:25,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:26,116 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 17:55:26,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:26,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243459157] [2024-11-20 17:55:26,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243459157] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:55:26,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468734779] [2024-11-20 17:55:26,119 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 17:55:26,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:26,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:55:26,123 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) [2024-11-20 17:55:26,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 17:55:26,192 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-20 17:55:26,192 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:55:26,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 17:55:26,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:55:26,279 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-20 17:55:26,279 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:55:26,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468734779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:55:26,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 17:55:26,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [33] total 36 [2024-11-20 17:55:26,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819466559] [2024-11-20 17:55:26,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:55:26,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 17:55:26,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:26,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 17:55:26,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2024-11-20 17:55:26,281 INFO L87 Difference]: Start difference. First operand 85 states and 89 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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) [2024-11-20 17:55:26,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:26,317 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2024-11-20 17:55:26,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:55:26,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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 73 [2024-11-20 17:55:26,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:26,318 INFO L225 Difference]: With dead ends: 85 [2024-11-20 17:55:26,318 INFO L226 Difference]: Without dead ends: 84 [2024-11-20 17:55:26,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2024-11-20 17:55:26,319 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 3 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:26,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 44 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:55:26,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-20 17:55:26,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-20 17:55:26,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 81 states have (on average 1.0864197530864197) internal successors, (88), 83 states have internal predecessors, (88), 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) [2024-11-20 17:55:26,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2024-11-20 17:55:26,331 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 73 [2024-11-20 17:55:26,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:26,331 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2024-11-20 17:55:26,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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) [2024-11-20 17:55:26,331 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2024-11-20 17:55:26,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-20 17:55:26,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:26,332 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:26,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-20 17:55:26,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:26,533 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 17:55:26,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:26,534 INFO L85 PathProgramCache]: Analyzing trace with hash -729540470, now seen corresponding path program 1 times [2024-11-20 17:55:26,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:26,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257984797] [2024-11-20 17:55:26,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:26,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:26,606 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-11-20 17:55:26,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:26,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257984797] [2024-11-20 17:55:26,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257984797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:55:26,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:55:26,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:55:26,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812050131] [2024-11-20 17:55:26,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:55:26,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:55:26,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:26,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:55:26,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:55:26,608 INFO L87 Difference]: Start difference. First operand 84 states and 88 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-11-20 17:55:26,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:26,644 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2024-11-20 17:55:26,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:55:26,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 74 [2024-11-20 17:55:26,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:26,645 INFO L225 Difference]: With dead ends: 84 [2024-11-20 17:55:26,645 INFO L226 Difference]: Without dead ends: 83 [2024-11-20 17:55:26,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:55:26,646 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:26,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 46 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:55:26,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-20 17:55:26,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2024-11-20 17:55:26,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 77 states have (on average 1.0649350649350648) internal successors, (82), 78 states have internal predecessors, (82), 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) [2024-11-20 17:55:26,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 82 transitions. [2024-11-20 17:55:26,650 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 82 transitions. Word has length 74 [2024-11-20 17:55:26,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:26,651 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 82 transitions. [2024-11-20 17:55:26,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-11-20 17:55:26,651 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 82 transitions. [2024-11-20 17:55:26,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-20 17:55:26,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:26,652 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:26,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 17:55:26,652 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 17:55:26,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:26,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1872336496, now seen corresponding path program 1 times [2024-11-20 17:55:26,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:26,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615195859] [2024-11-20 17:55:26,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:26,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:26,777 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-20 17:55:26,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:26,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615195859] [2024-11-20 17:55:26,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615195859] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:55:26,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707462460] [2024-11-20 17:55:26,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:26,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:26,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:55:26,780 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) [2024-11-20 17:55:26,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 17:55:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:26,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-20 17:55:26,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:55:27,516 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 17:55:27,517 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:55:28,361 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 17:55:28,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707462460] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:55:28,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:55:28,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 33, 33] total 66 [2024-11-20 17:55:28,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189829081] [2024-11-20 17:55:28,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:55:28,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-11-20 17:55:28,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:28,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-11-20 17:55:28,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1092, Invalid=3198, Unknown=0, NotChecked=0, Total=4290 [2024-11-20 17:55:28,365 INFO L87 Difference]: Start difference. First operand 79 states and 82 transitions. Second operand has 66 states, 66 states have (on average 2.287878787878788) internal successors, (151), 66 states have internal predecessors, (151), 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) [2024-11-20 17:55:28,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:28,541 INFO L93 Difference]: Finished difference Result 166 states and 190 transitions. [2024-11-20 17:55:28,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-20 17:55:28,542 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 2.287878787878788) internal successors, (151), 66 states have internal predecessors, (151), 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 76 [2024-11-20 17:55:28,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:28,542 INFO L225 Difference]: With dead ends: 166 [2024-11-20 17:55:28,542 INFO L226 Difference]: Without dead ends: 150 [2024-11-20 17:55:28,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1230 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1092, Invalid=3198, Unknown=0, NotChecked=0, Total=4290 [2024-11-20 17:55:28,544 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 24 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:28,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 115 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:55:28,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-20 17:55:28,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2024-11-20 17:55:28,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 146 states have (on average 1.0410958904109588) internal successors, (152), 147 states have internal predecessors, (152), 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) [2024-11-20 17:55:28,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 152 transitions. [2024-11-20 17:55:28,550 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 152 transitions. Word has length 76 [2024-11-20 17:55:28,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:28,551 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 152 transitions. [2024-11-20 17:55:28,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 2.287878787878788) internal successors, (151), 66 states have internal predecessors, (151), 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) [2024-11-20 17:55:28,551 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 152 transitions. [2024-11-20 17:55:28,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-20 17:55:28,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:28,552 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:28,562 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-20 17:55:28,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:28,757 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 17:55:28,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:28,757 INFO L85 PathProgramCache]: Analyzing trace with hash -999418918, now seen corresponding path program 2 times [2024-11-20 17:55:28,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:28,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930414020] [2024-11-20 17:55:28,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:28,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:28,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1898 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1898 trivial. 0 not checked. [2024-11-20 17:55:28,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:28,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930414020] [2024-11-20 17:55:28,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930414020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:55:28,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:55:28,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:55:28,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45967047] [2024-11-20 17:55:28,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:55:28,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:55:28,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:28,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:55:28,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:55:28,925 INFO L87 Difference]: Start difference. First operand 148 states and 152 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-20 17:55:28,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:28,945 INFO L93 Difference]: Finished difference Result 156 states and 160 transitions. [2024-11-20 17:55:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:55:28,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 145 [2024-11-20 17:55:28,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:28,947 INFO L225 Difference]: With dead ends: 156 [2024-11-20 17:55:28,947 INFO L226 Difference]: Without dead ends: 154 [2024-11-20 17:55:28,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:55:28,948 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 1 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:28,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 55 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:55:28,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-20 17:55:28,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-11-20 17:55:28,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 152 states have (on average 1.0394736842105263) internal successors, (158), 153 states have internal predecessors, (158), 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) [2024-11-20 17:55:28,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions. [2024-11-20 17:55:28,960 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 145 [2024-11-20 17:55:28,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:28,960 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions. [2024-11-20 17:55:28,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-20 17:55:28,961 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions. [2024-11-20 17:55:28,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 17:55:28,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:28,965 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:28,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 17:55:28,966 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 17:55:28,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:28,966 INFO L85 PathProgramCache]: Analyzing trace with hash 340678824, now seen corresponding path program 1 times [2024-11-20 17:55:28,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:28,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353210000] [2024-11-20 17:55:28,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:28,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:31,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 17:55:31,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:31,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353210000] [2024-11-20 17:55:31,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353210000] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:55:31,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978404760] [2024-11-20 17:55:31,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:31,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:31,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:55:31,583 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) [2024-11-20 17:55:31,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 17:55:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:31,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-20 17:55:31,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:55:31,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 17:55:31,936 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:55:34,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 17:55:34,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978404760] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:55:34,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:55:34,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 130 [2024-11-20 17:55:34,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307791196] [2024-11-20 17:55:34,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:55:34,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2024-11-20 17:55:34,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:34,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2024-11-20 17:55:34,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4290, Invalid=12480, Unknown=0, NotChecked=0, Total=16770 [2024-11-20 17:55:34,615 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand has 130 states, 130 states have (on average 2.1) internal successors, (273), 130 states have internal predecessors, (273), 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) [2024-11-20 17:55:34,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:34,957 INFO L93 Difference]: Finished difference Result 309 states and 348 transitions. [2024-11-20 17:55:34,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-11-20 17:55:34,961 INFO L78 Accepts]: Start accepts. Automaton has has 130 states, 130 states have (on average 2.1) internal successors, (273), 130 states have internal predecessors, (273), 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 151 [2024-11-20 17:55:34,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:34,963 INFO L225 Difference]: With dead ends: 309 [2024-11-20 17:55:34,963 INFO L226 Difference]: Without dead ends: 282 [2024-11-20 17:55:34,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5206 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=4290, Invalid=12480, Unknown=0, NotChecked=0, Total=16770 [2024-11-20 17:55:34,967 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 19 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:34,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 211 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 17:55:34,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-20 17:55:34,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2024-11-20 17:55:34,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 280 states have (on average 1.0214285714285714) internal successors, (286), 281 states have internal predecessors, (286), 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) [2024-11-20 17:55:34,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 286 transitions. [2024-11-20 17:55:34,980 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 286 transitions. Word has length 151 [2024-11-20 17:55:34,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:34,981 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 286 transitions. [2024-11-20 17:55:34,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 2.1) internal successors, (273), 130 states have internal predecessors, (273), 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) [2024-11-20 17:55:34,981 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 286 transitions. [2024-11-20 17:55:34,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-20 17:55:34,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:34,983 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:34,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-20 17:55:35,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:35,184 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 17:55:35,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:35,185 INFO L85 PathProgramCache]: Analyzing trace with hash -895915992, now seen corresponding path program 2 times [2024-11-20 17:55:35,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:35,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249772793] [2024-11-20 17:55:35,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:35,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:55:41,736 INFO L134 CoverageAnalysis]: Checked inductivity of 7887 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 17:55:41,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:55:41,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249772793] [2024-11-20 17:55:41,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249772793] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:55:41,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218739591] [2024-11-20 17:55:41,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 17:55:41,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:55:41,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:55:41,738 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:55:41,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 17:55:41,998 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 17:55:41,998 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:55:42,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-11-20 17:55:42,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:55:42,316 INFO L134 CoverageAnalysis]: Checked inductivity of 7887 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 17:55:42,317 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:55:52,752 INFO L134 CoverageAnalysis]: Checked inductivity of 7887 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 17:55:52,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218739591] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:55:52,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:55:52,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [129, 129, 129] total 258 [2024-11-20 17:55:52,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290254737] [2024-11-20 17:55:52,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:55:52,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 258 states [2024-11-20 17:55:52,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:55:52,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 258 interpolants. [2024-11-20 17:55:52,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16770, Invalid=49536, Unknown=0, NotChecked=0, Total=66306 [2024-11-20 17:55:52,767 INFO L87 Difference]: Start difference. First operand 282 states and 286 transitions. Second operand has 258 states, 258 states have (on average 2.050387596899225) internal successors, (529), 258 states have internal predecessors, (529), 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) [2024-11-20 17:55:53,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:55:53,620 INFO L93 Difference]: Finished difference Result 565 states and 636 transitions. [2024-11-20 17:55:53,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2024-11-20 17:55:53,621 INFO L78 Accepts]: Start accepts. Automaton has has 258 states, 258 states have (on average 2.050387596899225) internal successors, (529), 258 states have internal predecessors, (529), 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 279 [2024-11-20 17:55:53,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:55:53,623 INFO L225 Difference]: With dead ends: 565 [2024-11-20 17:55:53,623 INFO L226 Difference]: Without dead ends: 538 [2024-11-20 17:55:53,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 685 GetRequests, 429 SyntacticMatches, 0 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20662 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=16770, Invalid=49536, Unknown=0, NotChecked=0, Total=66306 [2024-11-20 17:55:53,626 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 19 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 17:55:53,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 177 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 17:55:53,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-20 17:55:53,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2024-11-20 17:55:53,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 536 states have (on average 1.0111940298507462) internal successors, (542), 537 states have internal predecessors, (542), 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) [2024-11-20 17:55:53,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 542 transitions. [2024-11-20 17:55:53,635 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 542 transitions. Word has length 279 [2024-11-20 17:55:53,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:55:53,635 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 542 transitions. [2024-11-20 17:55:53,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 258 states, 258 states have (on average 2.050387596899225) internal successors, (529), 258 states have internal predecessors, (529), 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) [2024-11-20 17:55:53,636 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 542 transitions. [2024-11-20 17:55:53,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2024-11-20 17:55:53,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:55:53,642 INFO L215 NwaCegarLoop]: trace histogram [127, 127, 127, 127, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:55:53,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-20 17:55:53,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-20 17:55:53,846 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 17:55:53,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:55:53,847 INFO L85 PathProgramCache]: Analyzing trace with hash -708344024, now seen corresponding path program 3 times [2024-11-20 17:55:53,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:55:53,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043740310] [2024-11-20 17:55:53,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:55:53,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:55:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:21,742 INFO L134 CoverageAnalysis]: Checked inductivity of 32143 backedges. 0 proven. 32131 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 17:56:21,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:56:21,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043740310] [2024-11-20 17:56:21,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043740310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:56:21,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051727188] [2024-11-20 17:56:21,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 17:56:21,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:56:21,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:56:21,745 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 17:56:21,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-20 17:56:22,006 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-20 17:56:22,006 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:56:22,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 17:56:22,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:56:22,298 INFO L134 CoverageAnalysis]: Checked inductivity of 32143 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 32138 trivial. 0 not checked. [2024-11-20 17:56:22,299 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:56:22,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051727188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:56:22,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 17:56:22,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [257] total 260 [2024-11-20 17:56:22,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584296286] [2024-11-20 17:56:22,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:56:22,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 17:56:22,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:56:22,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 17:56:22,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16647, Invalid=50693, Unknown=0, NotChecked=0, Total=67340 [2024-11-20 17:56:22,305 INFO L87 Difference]: Start difference. First operand 538 states and 542 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-11-20 17:56:22,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:56:22,324 INFO L93 Difference]: Finished difference Result 538 states and 542 transitions. [2024-11-20 17:56:22,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:56:22,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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 535 [2024-11-20 17:56:22,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:56:22,327 INFO L225 Difference]: With dead ends: 538 [2024-11-20 17:56:22,327 INFO L226 Difference]: Without dead ends: 537 [2024-11-20 17:56:22,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 791 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16761 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=16647, Invalid=50693, Unknown=0, NotChecked=0, Total=67340 [2024-11-20 17:56:22,333 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 1 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:56:22,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 49 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:56:22,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-11-20 17:56:22,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2024-11-20 17:56:22,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 536 states have (on average 1.0093283582089552) internal successors, (541), 536 states have internal predecessors, (541), 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) [2024-11-20 17:56:22,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 541 transitions. [2024-11-20 17:56:22,345 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 541 transitions. Word has length 535 [2024-11-20 17:56:22,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:56:22,346 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 541 transitions. [2024-11-20 17:56:22,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-11-20 17:56:22,346 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 541 transitions. [2024-11-20 17:56:22,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2024-11-20 17:56:22,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:56:22,349 INFO L215 NwaCegarLoop]: trace histogram [127, 127, 127, 127, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:56:22,359 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-20 17:56:22,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-20 17:56:22,554 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 17:56:22,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:56:22,554 INFO L85 PathProgramCache]: Analyzing trace with hash -483828159, now seen corresponding path program 1 times [2024-11-20 17:56:22,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:56:22,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232898679] [2024-11-20 17:56:22,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:56:22,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:56:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:56:22,831 INFO L134 CoverageAnalysis]: Checked inductivity of 32144 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 32139 trivial. 0 not checked. [2024-11-20 17:56:22,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:56:22,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232898679] [2024-11-20 17:56:22,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232898679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:56:22,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:56:22,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:56:22,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496115310] [2024-11-20 17:56:22,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:56:22,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:56:22,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:56:22,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:56:22,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:56:22,835 INFO L87 Difference]: Start difference. First operand 537 states and 541 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-20 17:56:22,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:56:22,848 INFO L93 Difference]: Finished difference Result 537 states and 541 transitions. [2024-11-20 17:56:22,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:56:22,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 536 [2024-11-20 17:56:22,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:56:22,849 INFO L225 Difference]: With dead ends: 537 [2024-11-20 17:56:22,849 INFO L226 Difference]: Without dead ends: 0 [2024-11-20 17:56:22,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:56:22,853 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:56:22,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:56:22,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-20 17:56:22,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-20 17:56:22,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-20 17:56:22,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-20 17:56:22,854 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 536 [2024-11-20 17:56:22,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:56:22,854 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 17:56:22,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-20 17:56:22,854 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-20 17:56:22,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-20 17:56:22,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-20 17:56:22,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-20 17:56:22,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-20 17:56:22,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-20 17:56:22,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-20 17:56:22,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-20 17:56:22,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 17:56:22,860 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 17:56:22,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-20 17:56:22,998 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 17:56:23,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:56:23 BoogieIcfgContainer [2024-11-20 17:56:23,011 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 17:56:23,012 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 17:56:23,012 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 17:56:23,012 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 17:56:23,012 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:55:22" (3/4) ... [2024-11-20 17:56:23,014 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 17:56:23,020 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-20 17:56:23,021 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-20 17:56:23,021 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 17:56:23,021 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 17:56:23,098 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 17:56:23,099 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 17:56:23,099 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 17:56:23,099 INFO L158 Benchmark]: Toolchain (without parser) took 61603.61ms. Allocated memory was 134.2MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 65.8MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 564.8MB. Max. memory is 16.1GB. [2024-11-20 17:56:23,100 INFO L158 Benchmark]: CDTParser took 4.58ms. Allocated memory is still 134.2MB. Free memory was 101.2MB in the beginning and 101.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 17:56:23,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.56ms. Allocated memory was 134.2MB in the beginning and 260.0MB in the end (delta: 125.8MB). Free memory was 65.7MB in the beginning and 228.1MB in the end (delta: -162.5MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-11-20 17:56:23,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.31ms. Allocated memory is still 260.0MB. Free memory was 228.1MB in the beginning and 226.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:56:23,100 INFO L158 Benchmark]: Boogie Preprocessor took 47.75ms. Allocated memory is still 260.0MB. Free memory was 226.0MB in the beginning and 223.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:56:23,101 INFO L158 Benchmark]: RCFGBuilder took 315.25ms. Allocated memory is still 260.0MB. Free memory was 223.9MB in the beginning and 210.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 17:56:23,102 INFO L158 Benchmark]: TraceAbstraction took 60892.76ms. Allocated memory was 260.0MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 210.3MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 576.1MB. Max. memory is 16.1GB. [2024-11-20 17:56:23,102 INFO L158 Benchmark]: Witness Printer took 87.39ms. Allocated memory is still 2.4GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 17:56:23,103 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.58ms. Allocated memory is still 134.2MB. Free memory was 101.2MB in the beginning and 101.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.56ms. Allocated memory was 134.2MB in the beginning and 260.0MB in the end (delta: 125.8MB). Free memory was 65.7MB in the beginning and 228.1MB in the end (delta: -162.5MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.31ms. Allocated memory is still 260.0MB. Free memory was 228.1MB in the beginning and 226.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.75ms. Allocated memory is still 260.0MB. Free memory was 226.0MB in the beginning and 223.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 315.25ms. Allocated memory is still 260.0MB. Free memory was 223.9MB in the beginning and 210.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 60892.76ms. Allocated memory was 260.0MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 210.3MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 576.1MB. Max. memory is 16.1GB. * Witness Printer took 87.39ms. Allocated memory is still 2.4GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 60.7s, OverallIterations: 15, TraceHistogramMax: 127, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 128 mSDsluCounter, 1315 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1023 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1516 IncrementalHoareTripleChecker+Invalid, 1568 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 292 mSDtfsCounter, 1516 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2313 GetRequests, 1499 SyntacticMatches, 0 SemanticMatches, 814 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44587 ImplicationChecksByTransitivity, 34.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=538occurred in iteration=13, InterpolantAutomatonStates: 537, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 15 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 54.4s InterpolantComputationTime, 3192 NumberOfCodeBlocks, 2627 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 3746 ConstructedInterpolants, 0 QuantifiedInterpolants, 7812 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3044 ConjunctsInSsa, 265 ConjunctsInUnsatCore, 30 InterpolantComputations, 9 PerfectInterpolantSequences, 67635/130694 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: (0 < (2147483649 + x)) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (0 < (2147483649 + i)) RESULT: Ultimate proved your program to be correct! [2024-11-20 17:56:23,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE