./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-multidimensional/min-3-n-u.c --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-multidimensional/min-3-n-u.c -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 9bd7b1a8bed68c803bda82a4dd989302b30da7d6d96131ca67565e0ea166dbcb --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 17:57:48,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 17:57:48,796 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 17:57:48,802 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 17:57:48,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 17:57:48,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 17:57:48,830 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 17:57:48,830 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 17:57:48,831 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 17:57:48,831 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 17:57:48,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 17:57:48,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 17:57:48,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 17:57:48,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 17:57:48,833 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 17:57:48,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 17:57:48,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 17:57:48,834 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 17:57:48,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 17:57:48,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 17:57:48,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 17:57:48,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 17:57:48,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 17:57:48,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 17:57:48,840 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 17:57:48,840 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 17:57:48,840 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 17:57:48,840 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 17:57:48,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 17:57:48,841 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 17:57:48,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 17:57:48,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 17:57:48,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 17:57:48,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 17:57:48,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:57:48,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 17:57:48,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 17:57:48,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 17:57:48,847 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 17:57:48,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 17:57:48,847 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 17:57:48,847 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 17:57:48,848 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 17:57:48,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 17:57:48,848 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bd7b1a8bed68c803bda82a4dd989302b30da7d6d96131ca67565e0ea166dbcb [2024-11-20 17:57:49,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 17:57:49,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 17:57:49,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 17:57:49,145 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 17:57:49,145 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 17:57:49,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/min-3-n-u.c [2024-11-20 17:57:50,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 17:57:50,734 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 17:57:50,735 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/min-3-n-u.c [2024-11-20 17:57:50,745 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be36e8a16/e70a5e1ae7074240a4ff2b6f63ac8861/FLAGc4efb4da6 [2024-11-20 17:57:50,762 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be36e8a16/e70a5e1ae7074240a4ff2b6f63ac8861 [2024-11-20 17:57:50,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 17:57:50,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 17:57:50,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 17:57:50,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 17:57:50,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 17:57:50,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:57:50" (1/1) ... [2024-11-20 17:57:50,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6645d0b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:50, skipping insertion in model container [2024-11-20 17:57:50,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:57:50" (1/1) ... [2024-11-20 17:57:50,800 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 17:57:50,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:57:51,002 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 17:57:51,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:57:51,038 INFO L204 MainTranslator]: Completed translation [2024-11-20 17:57:51,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51 WrapperNode [2024-11-20 17:57:51,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 17:57:51,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 17:57:51,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 17:57:51,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 17:57:51,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:51,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:51,073 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 128 [2024-11-20 17:57:51,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 17:57:51,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 17:57:51,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 17:57:51,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 17:57:51,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:51,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:51,088 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:51,100 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-20 17:57:51,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:51,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:51,106 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:51,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:51,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:51,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:51,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 17:57:51,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 17:57:51,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 17:57:51,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 17:57:51,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (1/1) ... [2024-11-20 17:57:51,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:57:51,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:51,154 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 17:57:51,158 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 17:57:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 17:57:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 17:57:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 17:57:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 17:57:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 17:57:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 17:57:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 17:57:51,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 17:57:51,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 17:57:51,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 17:57:51,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 17:57:51,254 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 17:57:51,256 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 17:57:51,485 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-20 17:57:51,485 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 17:57:51,499 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 17:57:51,499 INFO L316 CfgBuilder]: Removed 9 assume(true) statements. [2024-11-20 17:57:51,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:57:51 BoogieIcfgContainer [2024-11-20 17:57:51,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 17:57:51,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 17:57:51,502 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 17:57:51,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 17:57:51,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:57:50" (1/3) ... [2024-11-20 17:57:51,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3571e282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:57:51, skipping insertion in model container [2024-11-20 17:57:51,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:51" (2/3) ... [2024-11-20 17:57:51,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3571e282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:57:51, skipping insertion in model container [2024-11-20 17:57:51,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:57:51" (3/3) ... [2024-11-20 17:57:51,509 INFO L112 eAbstractionObserver]: Analyzing ICFG min-3-n-u.c [2024-11-20 17:57:51,526 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 17:57:51,527 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-20 17:57:51,588 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 17:57:51,594 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;@33f0c1c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 17:57:51,594 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-11-20 17:57:51,597 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 39 states have (on average 1.9743589743589745) internal successors, (77), 57 states have internal predecessors, (77), 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 17:57:51,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-20 17:57:51,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:51,602 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-20 17:57:51,602 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-20 17:57:51,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:51,607 INFO L85 PathProgramCache]: Analyzing trace with hash 28699906, now seen corresponding path program 1 times [2024-11-20 17:57:51,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:51,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188328593] [2024-11-20 17:57:51,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:51,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:51,955 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 17:57:51,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:51,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188328593] [2024-11-20 17:57:51,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188328593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:51,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:51,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 17:57:51,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203091413] [2024-11-20 17:57:51,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:51,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:51,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:51,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:51,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:51,990 INFO L87 Difference]: Start difference. First operand has 58 states, 39 states have (on average 1.9743589743589745) internal successors, (77), 57 states have internal predecessors, (77), 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, 4 states have (on average 1.25) 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 17:57:52,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:52,119 INFO L93 Difference]: Finished difference Result 141 states and 199 transitions. [2024-11-20 17:57:52,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:52,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) 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 17:57:52,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:52,131 INFO L225 Difference]: With dead ends: 141 [2024-11-20 17:57:52,131 INFO L226 Difference]: Without dead ends: 79 [2024-11-20 17:57:52,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:52,136 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 122 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:52,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 89 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:52,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-20 17:57:52,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 73. [2024-11-20 17:57:52,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 55 states have (on average 1.6727272727272726) internal successors, (92), 72 states have internal predecessors, (92), 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 17:57:52,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2024-11-20 17:57:52,179 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 92 transitions. Word has length 5 [2024-11-20 17:57:52,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:52,180 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 92 transitions. [2024-11-20 17:57:52,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) 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 17:57:52,180 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2024-11-20 17:57:52,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 17:57:52,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:52,181 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 17:57:52,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 17:57:52,181 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-20 17:57:52,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:52,182 INFO L85 PathProgramCache]: Analyzing trace with hash 889698573, now seen corresponding path program 1 times [2024-11-20 17:57:52,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:52,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291180380] [2024-11-20 17:57:52,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:52,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:52,274 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 17:57:52,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:52,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291180380] [2024-11-20 17:57:52,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291180380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:52,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:52,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 17:57:52,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135528856] [2024-11-20 17:57:52,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:52,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 17:57:52,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:52,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 17:57:52,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:57:52,279 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:52,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:52,341 INFO L93 Difference]: Finished difference Result 103 states and 136 transitions. [2024-11-20 17:57:52,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 17:57:52,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-20 17:57:52,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:52,343 INFO L225 Difference]: With dead ends: 103 [2024-11-20 17:57:52,344 INFO L226 Difference]: Without dead ends: 97 [2024-11-20 17:57:52,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:57:52,346 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 9 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:52,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 87 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:57:52,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-20 17:57:52,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-20 17:57:52,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 79 states have (on average 1.5696202531645569) internal successors, (124), 96 states have internal predecessors, (124), 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 17:57:52,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 124 transitions. [2024-11-20 17:57:52,361 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 124 transitions. Word has length 6 [2024-11-20 17:57:52,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:52,361 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 124 transitions. [2024-11-20 17:57:52,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:52,362 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2024-11-20 17:57:52,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-20 17:57:52,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:52,365 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:52,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 17:57:52,366 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-20 17:57:52,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:52,366 INFO L85 PathProgramCache]: Analyzing trace with hash 765434955, now seen corresponding path program 1 times [2024-11-20 17:57:52,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:52,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668920189] [2024-11-20 17:57:52,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:52,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:52,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:57:52,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:52,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668920189] [2024-11-20 17:57:52,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668920189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:52,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:52,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 17:57:52,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808649599] [2024-11-20 17:57:52,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:52,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:52,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:52,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:52,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:52,484 INFO L87 Difference]: Start difference. First operand 97 states and 124 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:52,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:52,573 INFO L93 Difference]: Finished difference Result 192 states and 246 transitions. [2024-11-20 17:57:52,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:52,574 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-20 17:57:52,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:52,576 INFO L225 Difference]: With dead ends: 192 [2024-11-20 17:57:52,578 INFO L226 Difference]: Without dead ends: 97 [2024-11-20 17:57:52,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:52,580 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 68 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:52,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 87 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:52,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-20 17:57:52,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-20 17:57:52,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 79 states have (on average 1.4936708860759493) internal successors, (118), 96 states have internal predecessors, (118), 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 17:57:52,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 118 transitions. [2024-11-20 17:57:52,602 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 118 transitions. Word has length 9 [2024-11-20 17:57:52,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:52,603 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 118 transitions. [2024-11-20 17:57:52,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:52,603 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 118 transitions. [2024-11-20 17:57:52,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-20 17:57:52,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:52,604 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:52,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 17:57:52,604 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-20 17:57:52,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:52,606 INFO L85 PathProgramCache]: Analyzing trace with hash 767067060, now seen corresponding path program 1 times [2024-11-20 17:57:52,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:52,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505064608] [2024-11-20 17:57:52,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:52,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:52,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:57:52,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:52,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505064608] [2024-11-20 17:57:52,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505064608] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:52,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237190964] [2024-11-20 17:57:52,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:52,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:52,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:52,699 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 17:57:52,700 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 17:57:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:52,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:57:52,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:52,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:57:52,801 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:57:52,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237190964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:52,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 17:57:52,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-20 17:57:52,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156778082] [2024-11-20 17:57:52,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:52,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:52,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:52,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:52,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:57:52,804 INFO L87 Difference]: Start difference. First operand 97 states and 118 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:52,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:52,864 INFO L93 Difference]: Finished difference Result 97 states and 118 transitions. [2024-11-20 17:57:52,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:52,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-20 17:57:52,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:52,867 INFO L225 Difference]: With dead ends: 97 [2024-11-20 17:57:52,867 INFO L226 Difference]: Without dead ends: 94 [2024-11-20 17:57:52,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:57:52,868 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 17 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:52,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 120 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:57:52,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-20 17:57:52,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-20 17:57:52,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 79 states have (on average 1.4177215189873418) internal successors, (112), 93 states have internal predecessors, (112), 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 17:57:52,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 112 transitions. [2024-11-20 17:57:52,884 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 112 transitions. Word has length 9 [2024-11-20 17:57:52,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:52,884 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 112 transitions. [2024-11-20 17:57:52,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:57:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2024-11-20 17:57:52,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-20 17:57:52,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:52,885 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:52,894 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 17:57:53,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:53,086 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-20 17:57:53,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:53,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1990724853, now seen corresponding path program 1 times [2024-11-20 17:57:53,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:53,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781476479] [2024-11-20 17:57:53,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:53,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:53,140 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 17:57:53,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:53,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781476479] [2024-11-20 17:57:53,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781476479] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:53,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155332370] [2024-11-20 17:57:53,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:53,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:53,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:53,144 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 17:57:53,147 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 17:57:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:53,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:57:53,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:53,218 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 17:57:53,219 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:53,246 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 17:57:53,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155332370] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:53,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:53,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-20 17:57:53,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651442646] [2024-11-20 17:57:53,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:53,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 17:57:53,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:53,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 17:57:53,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 17:57:53,250 INFO L87 Difference]: Start difference. First operand 94 states and 112 transitions. Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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 17:57:53,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:53,372 INFO L93 Difference]: Finished difference Result 169 states and 226 transitions. [2024-11-20 17:57:53,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:57:53,372 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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 17:57:53,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:53,374 INFO L225 Difference]: With dead ends: 169 [2024-11-20 17:57:53,374 INFO L226 Difference]: Without dead ends: 166 [2024-11-20 17:57:53,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 17:57:53,378 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 48 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:53,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 165 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:53,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-20 17:57:53,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-11-20 17:57:53,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 151 states have (on average 1.3774834437086092) internal successors, (208), 165 states have internal predecessors, (208), 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 17:57:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 208 transitions. [2024-11-20 17:57:53,409 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 208 transitions. Word has length 10 [2024-11-20 17:57:53,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:53,409 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 208 transitions. [2024-11-20 17:57:53,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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 17:57:53,409 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2024-11-20 17:57:53,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-20 17:57:53,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:53,410 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:53,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-20 17:57:53,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:53,611 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-20 17:57:53,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:53,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1827767228, now seen corresponding path program 1 times [2024-11-20 17:57:53,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:53,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836623957] [2024-11-20 17:57:53,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:53,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:53,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 17:57:53,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:53,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836623957] [2024-11-20 17:57:53,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836623957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:53,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:53,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 17:57:53,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077789846] [2024-11-20 17:57:53,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:53,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 17:57:53,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:53,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 17:57:53,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:57:53,661 INFO L87 Difference]: Start difference. First operand 166 states and 208 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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 17:57:53,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:53,720 INFO L93 Difference]: Finished difference Result 328 states and 412 transitions. [2024-11-20 17:57:53,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 17:57:53,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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 12 [2024-11-20 17:57:53,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:53,722 INFO L225 Difference]: With dead ends: 328 [2024-11-20 17:57:53,722 INFO L226 Difference]: Without dead ends: 322 [2024-11-20 17:57:53,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:57:53,724 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 34 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:53,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 77 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:57:53,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-20 17:57:53,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 313. [2024-11-20 17:57:53,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 298 states have (on average 1.3624161073825503) internal successors, (406), 312 states have internal predecessors, (406), 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 17:57:53,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 406 transitions. [2024-11-20 17:57:53,751 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 406 transitions. Word has length 12 [2024-11-20 17:57:53,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:53,751 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 406 transitions. [2024-11-20 17:57:53,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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 17:57:53,752 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 406 transitions. [2024-11-20 17:57:53,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-20 17:57:53,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:53,753 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:53,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 17:57:53,753 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-20 17:57:53,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:53,754 INFO L85 PathProgramCache]: Analyzing trace with hash 903061951, now seen corresponding path program 1 times [2024-11-20 17:57:53,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:53,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106079528] [2024-11-20 17:57:53,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:53,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:53,837 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 17:57:53,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:53,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106079528] [2024-11-20 17:57:53,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106079528] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:53,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741005127] [2024-11-20 17:57:53,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:53,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:53,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:53,841 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 17:57:53,842 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 17:57:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:53,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 17:57:53,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:53,953 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 17:57:53,954 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:53,993 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 17:57:53,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741005127] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:53,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:53,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2024-11-20 17:57:53,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644985453] [2024-11-20 17:57:53,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:53,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 17:57:53,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:53,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 17:57:53,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-20 17:57:53,995 INFO L87 Difference]: Start difference. First operand 313 states and 406 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 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 17:57:54,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:54,443 INFO L93 Difference]: Finished difference Result 607 states and 787 transitions. [2024-11-20 17:57:54,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 17:57:54,443 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 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 16 [2024-11-20 17:57:54,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:54,444 INFO L225 Difference]: With dead ends: 607 [2024-11-20 17:57:54,445 INFO L226 Difference]: Without dead ends: 313 [2024-11-20 17:57:54,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-20 17:57:54,446 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 379 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:54,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 129 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 17:57:54,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-20 17:57:54,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 310. [2024-11-20 17:57:54,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 298 states have (on average 1.221476510067114) internal successors, (364), 309 states have internal predecessors, (364), 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 17:57:54,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 364 transitions. [2024-11-20 17:57:54,475 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 364 transitions. Word has length 16 [2024-11-20 17:57:54,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:54,475 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 364 transitions. [2024-11-20 17:57:54,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 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 17:57:54,476 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 364 transitions. [2024-11-20 17:57:54,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-20 17:57:54,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:54,477 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1] [2024-11-20 17:57:54,485 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 17:57:54,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:54,678 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-20 17:57:54,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:54,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1756482670, now seen corresponding path program 2 times [2024-11-20 17:57:54,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:54,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680525841] [2024-11-20 17:57:54,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:54,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:54,729 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-20 17:57:54,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:54,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680525841] [2024-11-20 17:57:54,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680525841] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:54,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814818444] [2024-11-20 17:57:54,729 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 17:57:54,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:54,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:54,732 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 17:57:54,733 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 17:57:54,781 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 17:57:54,781 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:57:54,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:57:54,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:54,812 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-20 17:57:54,812 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:54,854 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-20 17:57:54,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814818444] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:54,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:54,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-20 17:57:54,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321178392] [2024-11-20 17:57:54,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:54,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:57:54,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:54,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:57:54,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:57:54,856 INFO L87 Difference]: Start difference. First operand 310 states and 364 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 17:57:54,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:54,910 INFO L93 Difference]: Finished difference Result 310 states and 364 transitions. [2024-11-20 17:57:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 17:57:54,910 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 19 [2024-11-20 17:57:54,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:54,912 INFO L225 Difference]: With dead ends: 310 [2024-11-20 17:57:54,912 INFO L226 Difference]: Without dead ends: 307 [2024-11-20 17:57:54,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-20 17:57:54,913 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 112 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:54,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 73 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:57:54,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-20 17:57:54,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 271. [2024-11-20 17:57:54,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 262 states have (on average 1.1908396946564885) internal successors, (312), 270 states have internal predecessors, (312), 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 17:57:54,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 312 transitions. [2024-11-20 17:57:54,933 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 312 transitions. Word has length 19 [2024-11-20 17:57:54,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:54,933 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 312 transitions. [2024-11-20 17:57:54,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 17:57:54,934 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 312 transitions. [2024-11-20 17:57:54,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-20 17:57:54,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:54,936 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 17:57:54,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 17:57:55,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:55,137 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-20 17:57:55,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:55,137 INFO L85 PathProgramCache]: Analyzing trace with hash 211563321, now seen corresponding path program 1 times [2024-11-20 17:57:55,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:55,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883442011] [2024-11-20 17:57:55,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:55,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:55,212 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-20 17:57:55,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:55,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883442011] [2024-11-20 17:57:55,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883442011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:55,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556372561] [2024-11-20 17:57:55,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:55,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:55,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:55,215 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 17:57:55,216 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 17:57:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:55,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 17:57:55,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:55,396 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 17:57:55,396 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:55,497 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 17:57:55,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556372561] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:55,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:55,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2024-11-20 17:57:55,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785121050] [2024-11-20 17:57:55,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:55,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 17:57:55,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:55,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 17:57:55,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-11-20 17:57:55,500 INFO L87 Difference]: Start difference. First operand 271 states and 312 transitions. Second operand has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 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 17:57:56,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:56,275 INFO L93 Difference]: Finished difference Result 1077 states and 1327 transitions. [2024-11-20 17:57:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-20 17:57:56,275 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 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) Word has length 35 [2024-11-20 17:57:56,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:56,278 INFO L225 Difference]: With dead ends: 1077 [2024-11-20 17:57:56,278 INFO L226 Difference]: Without dead ends: 823 [2024-11-20 17:57:56,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2024-11-20 17:57:56,281 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 1266 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1266 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:56,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1266 Valid, 212 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 17:57:56,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2024-11-20 17:57:56,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 823. [2024-11-20 17:57:56,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 814 states have (on average 1.1302211302211302) internal successors, (920), 822 states have internal predecessors, (920), 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 17:57:56,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 920 transitions. [2024-11-20 17:57:56,319 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 920 transitions. Word has length 35 [2024-11-20 17:57:56,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:56,319 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 920 transitions. [2024-11-20 17:57:56,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 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 17:57:56,319 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 920 transitions. [2024-11-20 17:57:56,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-20 17:57:56,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:56,322 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 17:57:56,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 17:57:56,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:56,523 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-20 17:57:56,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:56,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1060936811, now seen corresponding path program 1 times [2024-11-20 17:57:56,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:56,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364319159] [2024-11-20 17:57:56,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:56,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 0 proven. 329 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-20 17:57:56,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:56,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364319159] [2024-11-20 17:57:56,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364319159] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:56,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767346869] [2024-11-20 17:57:56,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:56,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:56,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:56,655 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 17:57:56,656 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 17:57:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:56,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 17:57:56,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:56,991 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 325 proven. 145 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-20 17:57:56,992 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:57,239 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 325 proven. 145 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-20 17:57:57,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767346869] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:57,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:57,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 14, 14] total 28 [2024-11-20 17:57:57,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653663833] [2024-11-20 17:57:57,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:57,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-20 17:57:57,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:57,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-20 17:57:57,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2024-11-20 17:57:57,242 INFO L87 Difference]: Start difference. First operand 823 states and 920 transitions. Second operand has 28 states, 28 states have (on average 3.6785714285714284) internal successors, (103), 28 states have internal predecessors, (103), 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 17:57:58,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:58,947 INFO L93 Difference]: Finished difference Result 2475 states and 2955 transitions. [2024-11-20 17:57:58,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-20 17:57:58,948 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.6785714285714284) internal successors, (103), 28 states have internal predecessors, (103), 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 77 [2024-11-20 17:57:58,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:58,957 INFO L225 Difference]: With dead ends: 2475 [2024-11-20 17:57:58,957 INFO L226 Difference]: Without dead ends: 1687 [2024-11-20 17:57:58,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1549, Invalid=3853, Unknown=0, NotChecked=0, Total=5402 [2024-11-20 17:57:58,961 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 1776 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1776 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:58,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1776 Valid, 314 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 17:57:58,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2024-11-20 17:57:59,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1684. [2024-11-20 17:57:59,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1678 states have (on average 1.1042908224076282) internal successors, (1853), 1683 states have internal predecessors, (1853), 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 17:57:59,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 1853 transitions. [2024-11-20 17:57:59,023 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 1853 transitions. Word has length 77 [2024-11-20 17:57:59,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:59,025 INFO L471 AbstractCegarLoop]: Abstraction has 1684 states and 1853 transitions. [2024-11-20 17:57:59,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.6785714285714284) internal successors, (103), 28 states have internal predecessors, (103), 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 17:57:59,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 1853 transitions. [2024-11-20 17:57:59,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-20 17:57:59,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:59,027 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-20 17:57:59,037 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 17:57:59,232 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 17:57:59,233 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-20 17:57:59,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:59,234 INFO L85 PathProgramCache]: Analyzing trace with hash 189264066, now seen corresponding path program 1 times [2024-11-20 17:57:59,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:59,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285632071] [2024-11-20 17:57:59,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:59,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:59,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2938 backedges. 0 proven. 1506 refuted. 0 times theorem prover too weak. 1432 trivial. 0 not checked. [2024-11-20 17:57:59,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:59,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285632071] [2024-11-20 17:57:59,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285632071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:59,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621599940] [2024-11-20 17:57:59,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:59,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:59,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:59,514 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 17:57:59,516 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 17:57:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:59,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-20 17:57:59,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:58:00,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2938 backedges. 1501 proven. 715 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-20 17:58:00,243 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:58:00,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2938 backedges. 1501 proven. 715 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-20 17:58:00,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621599940] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:58:00,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:58:00,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 26, 26] total 52 [2024-11-20 17:58:00,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307086746] [2024-11-20 17:58:00,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:58:00,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-20 17:58:00,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:58:00,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-20 17:58:00,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1184, Invalid=1468, Unknown=0, NotChecked=0, Total=2652 [2024-11-20 17:58:00,831 INFO L87 Difference]: Start difference. First operand 1684 states and 1853 transitions. Second operand has 52 states, 52 states have (on average 3.3846153846153846) internal successors, (176), 52 states have internal predecessors, (176), 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 17:58:06,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:58:06,384 INFO L93 Difference]: Finished difference Result 6732 states and 8015 transitions. [2024-11-20 17:58:06,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-11-20 17:58:06,384 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 3.3846153846153846) internal successors, (176), 52 states have internal predecessors, (176), 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 150 [2024-11-20 17:58:06,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:58:06,402 INFO L225 Difference]: With dead ends: 6732 [2024-11-20 17:58:06,402 INFO L226 Difference]: Without dead ends: 5119 [2024-11-20 17:58:06,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9180 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=9913, Invalid=18479, Unknown=0, NotChecked=0, Total=28392 [2024-11-20 17:58:06,411 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 6494 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 1160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6494 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 1731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1160 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:58:06,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6494 Valid, 253 Invalid, 1731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1160 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 17:58:06,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5119 states. [2024-11-20 17:58:06,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5119 to 5113. [2024-11-20 17:58:06,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5113 states, 5107 states have (on average 1.0934012140199725) internal successors, (5584), 5112 states have internal predecessors, (5584), 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 17:58:06,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5113 states to 5113 states and 5584 transitions. [2024-11-20 17:58:06,613 INFO L78 Accepts]: Start accepts. Automaton has 5113 states and 5584 transitions. Word has length 150 [2024-11-20 17:58:06,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:58:06,613 INFO L471 AbstractCegarLoop]: Abstraction has 5113 states and 5584 transitions. [2024-11-20 17:58:06,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.3846153846153846) internal successors, (176), 52 states have internal predecessors, (176), 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 17:58:06,614 INFO L276 IsEmpty]: Start isEmpty. Operand 5113 states and 5584 transitions. [2024-11-20 17:58:06,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2024-11-20 17:58:06,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:58:06,620 INFO L215 NwaCegarLoop]: trace histogram [138, 138, 138, 3, 3, 3, 2, 1, 1, 1, 1] [2024-11-20 17:58:06,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-20 17:58:06,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:58:06,824 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-20 17:58:06,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:58:06,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1261479710, now seen corresponding path program 2 times [2024-11-20 17:58:06,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:58:06,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677570301] [2024-11-20 17:58:06,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:58:06,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:58:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:58:07,381 INFO L134 CoverageAnalysis]: Checked inductivity of 28785 backedges. 0 proven. 12886 refuted. 0 times theorem prover too weak. 15899 trivial. 0 not checked. [2024-11-20 17:58:07,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:58:07,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677570301] [2024-11-20 17:58:07,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677570301] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:58:07,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999582358] [2024-11-20 17:58:07,382 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 17:58:07,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:58:07,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:58:07,385 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 17:58:07,386 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 17:58:07,574 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 17:58:07,575 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:58:07,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:58:07,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:58:08,058 INFO L134 CoverageAnalysis]: Checked inductivity of 28785 backedges. 0 proven. 12886 refuted. 0 times theorem prover too weak. 15899 trivial. 0 not checked. [2024-11-20 17:58:08,060 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:58:08,493 INFO L134 CoverageAnalysis]: Checked inductivity of 28785 backedges. 0 proven. 12886 refuted. 0 times theorem prover too weak. 15899 trivial. 0 not checked. [2024-11-20 17:58:08,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999582358] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:58:08,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:58:08,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-20 17:58:08,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727314951] [2024-11-20 17:58:08,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:58:08,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:58:08,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:58:08,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:58:08,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:58:08,495 INFO L87 Difference]: Start difference. First operand 5113 states and 5584 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 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 17:58:08,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:58:08,642 INFO L93 Difference]: Finished difference Result 5113 states and 5584 transitions. [2024-11-20 17:58:08,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 17:58:08,643 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 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) Word has length 429 [2024-11-20 17:58:08,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:58:08,660 INFO L225 Difference]: With dead ends: 5113 [2024-11-20 17:58:08,660 INFO L226 Difference]: Without dead ends: 5110 [2024-11-20 17:58:08,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 861 GetRequests, 855 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-20 17:58:08,662 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 92 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:58:08,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 61 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:58:08,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5110 states. [2024-11-20 17:58:08,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5110 to 1735. [2024-11-20 17:58:08,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1735 states, 1732 states have (on average 1.0952655889145497) internal successors, (1897), 1734 states have internal predecessors, (1897), 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 17:58:08,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 1897 transitions. [2024-11-20 17:58:08,774 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 1897 transitions. Word has length 429 [2024-11-20 17:58:08,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:58:08,776 INFO L471 AbstractCegarLoop]: Abstraction has 1735 states and 1897 transitions. [2024-11-20 17:58:08,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 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 17:58:08,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 1897 transitions. [2024-11-20 17:58:08,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2024-11-20 17:58:08,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:58:08,784 INFO L215 NwaCegarLoop]: trace histogram [138, 138, 138, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-20 17:58:08,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-20 17:58:08,984 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,SelfDestructingSolverStorable11 [2024-11-20 17:58:08,985 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-20 17:58:08,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:58:08,985 INFO L85 PathProgramCache]: Analyzing trace with hash 2138629570, now seen corresponding path program 2 times [2024-11-20 17:58:08,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:58:08,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742237206] [2024-11-20 17:58:08,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:58:08,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:58:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:58:09,551 INFO L134 CoverageAnalysis]: Checked inductivity of 28806 backedges. 0 proven. 12898 refuted. 0 times theorem prover too weak. 15908 trivial. 0 not checked. [2024-11-20 17:58:09,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:58:09,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742237206] [2024-11-20 17:58:09,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742237206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:58:09,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79799078] [2024-11-20 17:58:09,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 17:58:09,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:58:09,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:58:09,555 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 17:58:09,556 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 17:58:09,778 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 17:58:09,778 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:58:09,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:58:09,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:58:10,227 INFO L134 CoverageAnalysis]: Checked inductivity of 28806 backedges. 0 proven. 12898 refuted. 0 times theorem prover too weak. 15908 trivial. 0 not checked. [2024-11-20 17:58:10,227 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:58:10,678 INFO L134 CoverageAnalysis]: Checked inductivity of 28806 backedges. 0 proven. 12898 refuted. 0 times theorem prover too weak. 15908 trivial. 0 not checked. [2024-11-20 17:58:10,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79799078] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:58:10,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:58:10,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-20 17:58:10,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170010457] [2024-11-20 17:58:10,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:58:10,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:58:10,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:58:10,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:58:10,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:58:10,681 INFO L87 Difference]: Start difference. First operand 1735 states and 1897 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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 17:58:10,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:58:10,819 INFO L93 Difference]: Finished difference Result 1735 states and 1897 transitions. [2024-11-20 17:58:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 17:58:10,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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 440 [2024-11-20 17:58:10,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:58:10,821 INFO L225 Difference]: With dead ends: 1735 [2024-11-20 17:58:10,821 INFO L226 Difference]: Without dead ends: 0 [2024-11-20 17:58:10,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 883 GetRequests, 877 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-20 17:58:10,824 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 92 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:58:10,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 31 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:58:10,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-20 17:58:10,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-20 17:58:10,824 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 17:58:10,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-20 17:58:10,825 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 440 [2024-11-20 17:58:10,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:58:10,825 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 17:58:10,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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 17:58:10,825 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-20 17:58:10,825 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-20 17:58:10,830 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2024-11-20 17:58:10,830 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2024-11-20 17:58:10,830 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2024-11-20 17:58:10,830 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2024-11-20 17:58:10,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2024-11-20 17:58:10,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2024-11-20 17:58:10,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2024-11-20 17:58:10,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2024-11-20 17:58:10,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2024-11-20 17:58:10,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2024-11-20 17:58:10,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2024-11-20 17:58:10,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2024-11-20 17:58:10,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2024-11-20 17:58:10,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2024-11-20 17:58:10,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2024-11-20 17:58:10,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2024-11-20 17:58:10,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2024-11-20 17:58:10,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2024-11-20 17:58:10,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-20 17:58:11,034 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,SelfDestructingSolverStorable12 [2024-11-20 17:58:11,037 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:58:11,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-20 17:58:24,173 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 17:58:24,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:58:24 BoogieIcfgContainer [2024-11-20 17:58:24,206 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 17:58:24,206 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 17:58:24,206 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 17:58:24,206 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 17:58:24,207 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:57:51" (3/4) ... [2024-11-20 17:58:24,209 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 17:58:24,216 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-20 17:58:24,216 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-20 17:58:24,216 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 17:58:24,216 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 17:58:24,323 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 17:58:24,327 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 17:58:24,328 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 17:58:24,329 INFO L158 Benchmark]: Toolchain (without parser) took 33562.98ms. Allocated memory was 176.2MB in the beginning and 1.2GB in the end (delta: 985.7MB). Free memory was 118.4MB in the beginning and 534.0MB in the end (delta: -415.6MB). Peak memory consumption was 573.2MB. Max. memory is 16.1GB. [2024-11-20 17:58:24,329 INFO L158 Benchmark]: CDTParser took 0.98ms. Allocated memory is still 176.2MB. Free memory was 137.5MB in the beginning and 137.3MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 17:58:24,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.53ms. Allocated memory is still 176.2MB. Free memory was 117.9MB in the beginning and 105.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 17:58:24,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.01ms. Allocated memory is still 176.2MB. Free memory was 105.2MB in the beginning and 103.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 17:58:24,330 INFO L158 Benchmark]: Boogie Preprocessor took 42.01ms. Allocated memory is still 176.2MB. Free memory was 103.7MB in the beginning and 101.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:58:24,330 INFO L158 Benchmark]: RCFGBuilder took 383.38ms. Allocated memory is still 176.2MB. Free memory was 101.1MB in the beginning and 85.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-20 17:58:24,330 INFO L158 Benchmark]: TraceAbstraction took 32703.72ms. Allocated memory was 176.2MB in the beginning and 1.2GB in the end (delta: 985.7MB). Free memory was 84.8MB in the beginning and 540.3MB in the end (delta: -455.5MB). Peak memory consumption was 653.2MB. Max. memory is 16.1GB. [2024-11-20 17:58:24,330 INFO L158 Benchmark]: Witness Printer took 121.98ms. Allocated memory is still 1.2GB. Free memory was 540.3MB in the beginning and 534.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 17:58:24,332 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98ms. Allocated memory is still 176.2MB. Free memory was 137.5MB in the beginning and 137.3MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.53ms. Allocated memory is still 176.2MB. Free memory was 117.9MB in the beginning and 105.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.01ms. Allocated memory is still 176.2MB. Free memory was 105.2MB in the beginning and 103.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.01ms. Allocated memory is still 176.2MB. Free memory was 103.7MB in the beginning and 101.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 383.38ms. Allocated memory is still 176.2MB. Free memory was 101.1MB in the beginning and 85.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 32703.72ms. Allocated memory was 176.2MB in the beginning and 1.2GB in the end (delta: 985.7MB). Free memory was 84.8MB in the beginning and 540.3MB in the end (delta: -455.5MB). Peak memory consumption was 653.2MB. Max. memory is 16.1GB. * Witness Printer took 121.98ms. Allocated memory is still 1.2GB. Free memory was 540.3MB in the beginning and 534.0MB in the end (delta: 6.3MB). 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: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: 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, 58 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 19.5s, OverallIterations: 13, TraceHistogramMax: 138, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10509 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10509 mSDsluCounter, 1698 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1203 mSDsCounter, 1738 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2051 IncrementalHoareTripleChecker+Invalid, 3789 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1738 mSolverCounterUnsat, 495 mSDtfsCounter, 2051 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2589 GetRequests, 2259 SyntacticMatches, 0 SemanticMatches, 330 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10960 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5113occurred in iteration=11, InterpolantAutomatonStates: 279, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 3438 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 2402 NumberOfCodeBlocks, 1534 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3548 ConstructedInterpolants, 0 QuantifiedInterpolants, 10648 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1414 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 30 InterpolantComputations, 5 PerfectInterpolantSequences, 102842/183898 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 18 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (i <= 999)) && ((((((1 <= i) && (k == 0)) && (p == 1800)) && (j == 0)) && (n == 1500)) || ((((((1 <= i) && (1 <= j)) && (k == 0)) && (p == 1800)) && (n == 1500)) && (j <= 1499)))) || ((m <= 1000) && (((((((i == 0) && (1 <= j)) && (k == 0)) && (p == 1800)) && (n == 1500)) && (j <= 1499)) || (((((i == 0) && (k == 0)) && (p == 1800)) && (j == 0)) && (n == 1500))))) || ((m <= 1000) && ((((((((i == 0) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || ((((((i == 0) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1500))))) || (((m <= 1000) && (i <= 999)) && ((((((((1 <= i) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || ((((((1 <= i) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1500))))) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (1 <= i)) && (i <= 2147483646)) && (p == 1800)) && (n == 1500)) || ((((m <= 1000) && (i == 0)) && (p == 1800)) && (n == 1500))) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (i <= 999)) && ((((((1 <= i) && (k == 0)) && (p == 1800)) && (j == 0)) && (n == 1500)) || ((((((1 <= i) && (1 <= j)) && (k == 0)) && (p == 1800)) && (n == 1500)) && (j <= 1499)))) || ((m <= 1000) && (((((((i == 0) && (1 <= j)) && (k == 0)) && (p == 1800)) && (n == 1500)) && (j <= 1499)) || (((((i == 0) && (k == 0)) && (p == 1800)) && (j == 0)) && (n == 1500))))) || ((m <= 1000) && ((((((((i == 0) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || ((((((i == 0) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1500))))) || (((m <= 1000) && (i <= 999)) && ((((((((1 <= i) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || ((((((1 <= i) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1500))))) - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (i <= 999)) && ((((((1 <= i) && (k == 0)) && (p == 1800)) && (j == 0)) && (n == 1500)) || ((((((1 <= i) && (1 <= j)) && (k == 0)) && (p == 1800)) && (n == 1500)) && (j <= 1499)))) || ((m <= 1000) && (((((((i == 0) && (1 <= j)) && (k == 0)) && (p == 1800)) && (n == 1500)) && (j <= 1499)) || (((((i == 0) && (k == 0)) && (p == 1800)) && (j == 0)) && (n == 1500))))) || ((m <= 1000) && ((((((((i == 0) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || ((((((i == 0) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1500))))) || (((m <= 1000) && (i <= 999)) && ((((((((1 <= i) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || ((((((1 <= i) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1500))))) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: ((((((((((m <= 1000) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (p == 1800)) && (j <= 2147483646)) && (n == 1500)) || ((((((m <= 1000) && (i == 0)) && (1 <= j)) && (p == 1800)) && (j <= 2147483646)) && (n == 1500))) || (((((m <= 1000) && (i == 0)) && (p == 1800)) && (j == 0)) && (n == 1500))) || ((((((m <= 1000) && (1 <= i)) && (i <= 999)) && (p == 1800)) && (j == 0)) && (n == 1500))) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (1 <= i)) && (i <= 2147483646)) && (p == 1800)) && (n == 1500)) || ((((m <= 1000) && (i == 0)) && (p == 1800)) && (n == 1500))) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: ((((((((((m <= 1000) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (p == 1800)) && (j <= 2147483646)) && (n == 1500)) || ((((((m <= 1000) && (i == 0)) && (1 <= j)) && (p == 1800)) && (j <= 2147483646)) && (n == 1500))) || (((((m <= 1000) && (i == 0)) && (p == 1800)) && (j == 0)) && (n == 1500))) || ((((((m <= 1000) && (1 <= i)) && (i <= 999)) && (p == 1800)) && (j == 0)) && (n == 1500))) - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (1 <= i)) && (i <= 2147483646)) && (p == 1800)) && (n == 1500)) || ((((m <= 1000) && (i == 0)) && (p == 1800)) && (n == 1500))) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((((((((((m <= 1000) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (p == 1800)) && (j <= 2147483646)) && (n == 1500)) || ((((((m <= 1000) && (i == 0)) && (1 <= j)) && (p == 1800)) && (j <= 2147483646)) && (n == 1500))) || (((((m <= 1000) && (i == 0)) && (p == 1800)) && (j == 0)) && (n == 1500))) || ((((((m <= 1000) && (1 <= i)) && (i <= 999)) && (p == 1800)) && (j == 0)) && (n == 1500))) RESULT: Ultimate proved your program to be correct! [2024-11-20 17:58:24,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE