./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/eureka_05.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/eureka_05.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f12ca1e314a03dfb1c8beadd0c1a180c2d2339dd5f3109d5999df06d52395ab --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 18:17:58,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 18:17:58,570 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 18:17:58,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 18:17:58,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 18:17:58,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 18:17:58,595 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 18:17:58,596 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 18:17:58,596 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 18:17:58,599 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 18:17:58,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 18:17:58,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 18:17:58,599 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 18:17:58,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 18:17:58,600 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 18:17:58,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 18:17:58,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 18:17:58,602 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 18:17:58,602 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 18:17:58,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 18:17:58,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 18:17:58,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 18:17:58,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 18:17:58,603 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 18:17:58,603 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 18:17:58,603 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 18:17:58,603 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 18:17:58,603 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 18:17:58,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 18:17:58,604 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 18:17:58,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 18:17:58,604 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 18:17:58,604 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 18:17:58,604 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 18:17:58,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:17:58,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 18:17:58,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 18:17:58,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 18:17:58,605 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 18:17:58,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 18:17:58,605 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 18:17:58,605 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 18:17:58,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 18:17:58,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 18:17:58,606 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f12ca1e314a03dfb1c8beadd0c1a180c2d2339dd5f3109d5999df06d52395ab [2024-11-20 18:17:58,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 18:17:58,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 18:17:58,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 18:17:58,810 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 18:17:58,811 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 18:17:58,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/eureka_05.i [2024-11-20 18:18:00,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 18:18:00,235 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 18:18:00,235 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/eureka_05.i [2024-11-20 18:18:00,240 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6e8a0460/5baa1fca40484c108ac7c7099108517d/FLAG689dc1847 [2024-11-20 18:18:00,651 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6e8a0460/5baa1fca40484c108ac7c7099108517d [2024-11-20 18:18:00,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 18:18:00,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 18:18:00,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 18:18:00,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 18:18:00,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 18:18:00,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:18:00" (1/1) ... [2024-11-20 18:18:00,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e9003a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:00, skipping insertion in model container [2024-11-20 18:18:00,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:18:00" (1/1) ... [2024-11-20 18:18:00,679 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 18:18:00,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:18:00,845 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 18:18:00,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:18:00,873 INFO L204 MainTranslator]: Completed translation [2024-11-20 18:18:00,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:00 WrapperNode [2024-11-20 18:18:00,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 18:18:00,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 18:18:00,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 18:18:00,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 18:18:00,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:00" (1/1) ... [2024-11-20 18:18:00,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:00" (1/1) ... [2024-11-20 18:18:00,903 INFO L138 Inliner]: procedures = 16, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2024-11-20 18:18:00,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 18:18:00,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 18:18:00,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 18:18:00,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 18:18:00,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:00" (1/1) ... [2024-11-20 18:18:00,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:00" (1/1) ... [2024-11-20 18:18:00,913 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:00" (1/1) ... [2024-11-20 18:18:00,939 INFO L175 MemorySlicer]: Split 15 memory accesses to 3 slices as follows [2, 11, 2]. 73 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0]. The 3 writes are split as follows [0, 2, 1]. [2024-11-20 18:18:00,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:00" (1/1) ... [2024-11-20 18:18:00,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:00" (1/1) ... [2024-11-20 18:18:00,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:00" (1/1) ... [2024-11-20 18:18:00,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:00" (1/1) ... [2024-11-20 18:18:00,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:00" (1/1) ... [2024-11-20 18:18:00,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:00" (1/1) ... [2024-11-20 18:18:00,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 18:18:00,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 18:18:00,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 18:18:00,979 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 18:18:00,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:00" (1/1) ... [2024-11-20 18:18:00,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:18:00,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:18:01,009 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 18:18:01,011 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 18:18:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 18:18:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 18:18:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 18:18:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 18:18:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 18:18:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 18:18:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 18:18:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 18:18:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 18:18:01,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 18:18:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 18:18:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 18:18:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 18:18:01,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 18:18:01,121 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 18:18:01,125 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 18:18:01,320 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-20 18:18:01,320 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 18:18:01,333 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 18:18:01,333 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-20 18:18:01,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:18:01 BoogieIcfgContainer [2024-11-20 18:18:01,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 18:18:01,341 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 18:18:01,341 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 18:18:01,344 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 18:18:01,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:18:00" (1/3) ... [2024-11-20 18:18:01,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6580f3e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:18:01, skipping insertion in model container [2024-11-20 18:18:01,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:00" (2/3) ... [2024-11-20 18:18:01,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6580f3e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:18:01, skipping insertion in model container [2024-11-20 18:18:01,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:18:01" (3/3) ... [2024-11-20 18:18:01,349 INFO L112 eAbstractionObserver]: Analyzing ICFG eureka_05.i [2024-11-20 18:18:01,362 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 18:18:01,362 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-20 18:18:01,412 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 18:18:01,418 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;@11763281, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 18:18:01,418 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-20 18:18:01,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 32 states have (on average 1.65625) internal successors, (53), 42 states have internal predecessors, (53), 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 18:18:01,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-20 18:18:01,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:01,426 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-20 18:18:01,427 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:01,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:01,432 INFO L85 PathProgramCache]: Analyzing trace with hash 28698728, now seen corresponding path program 1 times [2024-11-20 18:18:01,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:01,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525506516] [2024-11-20 18:18:01,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:01,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:01,610 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 18:18:01,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:01,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525506516] [2024-11-20 18:18:01,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525506516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:18:01,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:18:01,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:18:01,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486961283] [2024-11-20 18:18:01,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:18:01,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:18:01,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:01,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:18:01,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:18:01,639 INFO L87 Difference]: Start difference. First operand has 43 states, 32 states have (on average 1.65625) internal successors, (53), 42 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:18:01,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:01,691 INFO L93 Difference]: Finished difference Result 82 states and 103 transitions. [2024-11-20 18:18:01,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:18:01,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-20 18:18:01,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:01,700 INFO L225 Difference]: With dead ends: 82 [2024-11-20 18:18:01,700 INFO L226 Difference]: Without dead ends: 40 [2024-11-20 18:18:01,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:18:01,704 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 1 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:01,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 112 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:18:01,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-20 18:18:01,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2024-11-20 18:18:01,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 38 states have internal predecessors, (43), 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 18:18:01,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2024-11-20 18:18:01,730 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 5 [2024-11-20 18:18:01,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:01,730 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2024-11-20 18:18:01,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:18:01,730 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2024-11-20 18:18:01,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:18:01,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:01,731 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:18:01,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 18:18:01,731 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:01,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:01,732 INFO L85 PathProgramCache]: Analyzing trace with hash 889660614, now seen corresponding path program 1 times [2024-11-20 18:18:01,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:01,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657332477] [2024-11-20 18:18:01,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:01,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:01,787 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 18:18:01,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:01,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657332477] [2024-11-20 18:18:01,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657332477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:18:01,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:18:01,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:18:01,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141535169] [2024-11-20 18:18:01,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:18:01,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:18:01,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:01,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:18:01,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:18:01,790 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:18:01,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:01,816 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2024-11-20 18:18:01,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:18:01,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-20 18:18:01,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:01,817 INFO L225 Difference]: With dead ends: 40 [2024-11-20 18:18:01,817 INFO L226 Difference]: Without dead ends: 39 [2024-11-20 18:18:01,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:18:01,818 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 3 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:01,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 87 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:18:01,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-20 18:18:01,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2024-11-20 18:18:01,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 37 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:18:01,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2024-11-20 18:18:01,823 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 6 [2024-11-20 18:18:01,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:01,823 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2024-11-20 18:18:01,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:18:01,823 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2024-11-20 18:18:01,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-20 18:18:01,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:01,824 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-20 18:18:01,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 18:18:01,824 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:01,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:01,826 INFO L85 PathProgramCache]: Analyzing trace with hash -363792156, now seen corresponding path program 1 times [2024-11-20 18:18:01,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:01,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052470489] [2024-11-20 18:18:01,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:01,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:01,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 18:18:01,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:01,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052470489] [2024-11-20 18:18:01,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052470489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:18:01,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:18:01,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:18:01,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660069502] [2024-11-20 18:18:01,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:18:01,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:18:01,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:01,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:18:01,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:18:01,905 INFO L87 Difference]: Start difference. First operand 38 states and 42 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 18:18:01,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:01,926 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2024-11-20 18:18:01,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:18:01,927 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 18:18:01,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:01,927 INFO L225 Difference]: With dead ends: 42 [2024-11-20 18:18:01,928 INFO L226 Difference]: Without dead ends: 41 [2024-11-20 18:18:01,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:18:01,929 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 4 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:01,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 91 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:18:01,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-20 18:18:01,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 35. [2024-11-20 18:18:01,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 34 states have internal predecessors, (39), 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 18:18:01,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2024-11-20 18:18:01,932 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 9 [2024-11-20 18:18:01,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:01,932 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2024-11-20 18:18:01,932 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 18:18:01,933 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2024-11-20 18:18:01,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-20 18:18:01,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:01,933 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:01,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 18:18:01,933 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:01,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:01,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1607293652, now seen corresponding path program 1 times [2024-11-20 18:18:01,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:01,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656699169] [2024-11-20 18:18:01,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:01,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:01,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 18:18:01,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:01,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656699169] [2024-11-20 18:18:01,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656699169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:18:01,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:18:01,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:18:01,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950804753] [2024-11-20 18:18:01,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:18:01,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:18:01,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:01,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:18:01,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:18:01,997 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:18:02,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:02,022 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2024-11-20 18:18:02,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:18:02,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 18:18:02,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:02,023 INFO L225 Difference]: With dead ends: 49 [2024-11-20 18:18:02,023 INFO L226 Difference]: Without dead ends: 47 [2024-11-20 18:18:02,023 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 18:18:02,024 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 12 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:02,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 59 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:18:02,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-20 18:18:02,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 38. [2024-11-20 18:18:02,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 37 states have internal predecessors, (43), 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 18:18:02,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2024-11-20 18:18:02,031 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 10 [2024-11-20 18:18:02,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:02,032 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2024-11-20 18:18:02,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:18:02,032 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2024-11-20 18:18:02,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-20 18:18:02,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:02,034 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:02,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 18:18:02,034 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:02,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:02,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1309533939, now seen corresponding path program 1 times [2024-11-20 18:18:02,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:02,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971393027] [2024-11-20 18:18:02,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:02,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:02,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 18:18:02,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:02,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971393027] [2024-11-20 18:18:02,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971393027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:18:02,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:18:02,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:18:02,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60636761] [2024-11-20 18:18:02,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:18:02,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:18:02,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:02,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:18:02,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:18:02,128 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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 18:18:02,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:02,174 INFO L93 Difference]: Finished difference Result 56 states and 63 transitions. [2024-11-20 18:18:02,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:18:02,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2024-11-20 18:18:02,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:02,175 INFO L225 Difference]: With dead ends: 56 [2024-11-20 18:18:02,176 INFO L226 Difference]: Without dead ends: 47 [2024-11-20 18:18:02,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 18:18:02,179 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 44 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:02,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 54 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:18:02,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-20 18:18:02,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 38. [2024-11-20 18:18:02,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 30 states have (on average 1.4) internal successors, (42), 37 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:18:02,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2024-11-20 18:18:02,186 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 15 [2024-11-20 18:18:02,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:02,187 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2024-11-20 18:18:02,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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 18:18:02,191 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2024-11-20 18:18:02,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-20 18:18:02,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:02,192 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:02,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 18:18:02,192 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:02,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:02,193 INFO L85 PathProgramCache]: Analyzing trace with hash 2043162141, now seen corresponding path program 1 times [2024-11-20 18:18:02,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:02,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973423124] [2024-11-20 18:18:02,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:02,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:02,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 18:18:02,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:02,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973423124] [2024-11-20 18:18:02,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973423124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:18:02,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:18:02,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:18:02,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660311335] [2024-11-20 18:18:02,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:18:02,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:18:02,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:02,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:18:02,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:18:02,268 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 18:18:02,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:02,307 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2024-11-20 18:18:02,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:18:02,307 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2024-11-20 18:18:02,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:02,308 INFO L225 Difference]: With dead ends: 51 [2024-11-20 18:18:02,308 INFO L226 Difference]: Without dead ends: 49 [2024-11-20 18:18:02,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:18:02,309 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 9 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:02,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 84 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:18:02,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-20 18:18:02,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2024-11-20 18:18:02,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 46 states have internal predecessors, (55), 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 18:18:02,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2024-11-20 18:18:02,313 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 15 [2024-11-20 18:18:02,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:02,313 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2024-11-20 18:18:02,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 18:18:02,313 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2024-11-20 18:18:02,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-20 18:18:02,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:02,313 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:02,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 18:18:02,314 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:02,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:02,314 INFO L85 PathProgramCache]: Analyzing trace with hash 2043209871, now seen corresponding path program 1 times [2024-11-20 18:18:02,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:02,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890717063] [2024-11-20 18:18:02,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:02,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:02,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:18:02,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:02,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890717063] [2024-11-20 18:18:02,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890717063] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:18:02,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216783415] [2024-11-20 18:18:02,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:02,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:02,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:18:02,386 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 18:18:02,388 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 18:18:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:02,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:18:02,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:18:02,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:18:02,483 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:18:02,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:18:02,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216783415] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:18:02,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:18:02,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-20 18:18:02,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304104338] [2024-11-20 18:18:02,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:18:02,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:18:02,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:02,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:18:02,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:18:02,527 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 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 18:18:02,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:02,588 INFO L93 Difference]: Finished difference Result 99 states and 116 transitions. [2024-11-20 18:18:02,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:18:02,588 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 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 15 [2024-11-20 18:18:02,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:02,588 INFO L225 Difference]: With dead ends: 99 [2024-11-20 18:18:02,588 INFO L226 Difference]: Without dead ends: 59 [2024-11-20 18:18:02,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:18:02,589 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 5 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:02,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 150 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:18:02,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-20 18:18:02,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2024-11-20 18:18:02,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 54 states have internal predecessors, (63), 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 18:18:02,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2024-11-20 18:18:02,596 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 15 [2024-11-20 18:18:02,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:02,597 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2024-11-20 18:18:02,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 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 18:18:02,597 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2024-11-20 18:18:02,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-20 18:18:02,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:02,600 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:02,610 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 18:18:02,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:02,801 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:02,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:02,802 INFO L85 PathProgramCache]: Analyzing trace with hash -2132994681, now seen corresponding path program 2 times [2024-11-20 18:18:02,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:02,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054292346] [2024-11-20 18:18:02,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:02,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:02,896 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:18:02,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:02,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054292346] [2024-11-20 18:18:02,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054292346] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:18:02,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043065928] [2024-11-20 18:18:02,899 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:18:02,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:02,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:18:02,901 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 18:18:02,902 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 18:18:02,954 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 18:18:02,954 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:18:02,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:18:02,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:18:02,998 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 18:18:02,998 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:18:02,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043065928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:18:02,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:18:02,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2024-11-20 18:18:02,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49845135] [2024-11-20 18:18:02,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:18:02,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:18:02,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:03,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:18:03,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:18:03,000 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 18:18:03,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:03,066 INFO L93 Difference]: Finished difference Result 57 states and 63 transitions. [2024-11-20 18:18:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:18:03,066 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 23 [2024-11-20 18:18:03,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:03,067 INFO L225 Difference]: With dead ends: 57 [2024-11-20 18:18:03,067 INFO L226 Difference]: Without dead ends: 56 [2024-11-20 18:18:03,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:18:03,068 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 12 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:03,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 100 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:18:03,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-20 18:18:03,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2024-11-20 18:18:03,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 54 states have internal predecessors, (62), 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 18:18:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2024-11-20 18:18:03,072 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 23 [2024-11-20 18:18:03,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:03,072 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2024-11-20 18:18:03,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 18:18:03,073 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2024-11-20 18:18:03,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-20 18:18:03,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:03,073 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:03,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 18:18:03,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-20 18:18:03,274 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:03,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:03,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1698325590, now seen corresponding path program 1 times [2024-11-20 18:18:03,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:03,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045645895] [2024-11-20 18:18:03,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:03,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:03,330 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 18:18:03,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:03,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045645895] [2024-11-20 18:18:03,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045645895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:18:03,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:18:03,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:18:03,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351359935] [2024-11-20 18:18:03,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:18:03,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:18:03,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:03,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:18:03,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:18:03,332 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 18:18:03,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:03,379 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2024-11-20 18:18:03,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:18:03,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 24 [2024-11-20 18:18:03,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:03,380 INFO L225 Difference]: With dead ends: 62 [2024-11-20 18:18:03,380 INFO L226 Difference]: Without dead ends: 61 [2024-11-20 18:18:03,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:18:03,381 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 18 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:03,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 102 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:18:03,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-20 18:18:03,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2024-11-20 18:18:03,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 59 states have internal predecessors, (69), 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 18:18:03,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 69 transitions. [2024-11-20 18:18:03,384 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 69 transitions. Word has length 24 [2024-11-20 18:18:03,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:03,385 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 69 transitions. [2024-11-20 18:18:03,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 18:18:03,385 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2024-11-20 18:18:03,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-20 18:18:03,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:03,385 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:03,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 18:18:03,385 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:03,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:03,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1425232472, now seen corresponding path program 1 times [2024-11-20 18:18:03,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:03,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735331574] [2024-11-20 18:18:03,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:03,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:03,438 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 18:18:03,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:03,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735331574] [2024-11-20 18:18:03,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735331574] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:18:03,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954076600] [2024-11-20 18:18:03,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:03,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:03,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:18:03,440 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 18:18:03,442 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 18:18:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:03,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 18:18:03,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:18:03,556 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 18:18:03,556 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:18:03,638 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 18:18:03,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954076600] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:18:03,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:18:03,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 14 [2024-11-20 18:18:03,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55176987] [2024-11-20 18:18:03,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:18:03,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 18:18:03,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:03,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 18:18:03,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:18:03,639 INFO L87 Difference]: Start difference. First operand 60 states and 69 transitions. Second operand has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 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 18:18:03,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:03,769 INFO L93 Difference]: Finished difference Result 130 states and 153 transitions. [2024-11-20 18:18:03,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 18:18:03,770 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 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 26 [2024-11-20 18:18:03,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:03,770 INFO L225 Difference]: With dead ends: 130 [2024-11-20 18:18:03,770 INFO L226 Difference]: Without dead ends: 85 [2024-11-20 18:18:03,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:18:03,771 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 23 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:03,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 296 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:18:03,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-20 18:18:03,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 70. [2024-11-20 18:18:03,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 69 states have internal predecessors, (80), 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 18:18:03,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 80 transitions. [2024-11-20 18:18:03,775 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 80 transitions. Word has length 26 [2024-11-20 18:18:03,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:03,776 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 80 transitions. [2024-11-20 18:18:03,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 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 18:18:03,776 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2024-11-20 18:18:03,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-20 18:18:03,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:03,776 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:03,783 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 18:18:03,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:03,977 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:03,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:03,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1403617422, now seen corresponding path program 1 times [2024-11-20 18:18:03,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:03,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858293012] [2024-11-20 18:18:03,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:03,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:04,029 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-20 18:18:04,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:04,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858293012] [2024-11-20 18:18:04,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858293012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:18:04,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941010620] [2024-11-20 18:18:04,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:04,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:04,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:18:04,043 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 18:18:04,044 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 18:18:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:04,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:18:04,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:18:04,162 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-20 18:18:04,162 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:18:04,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941010620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:18:04,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:18:04,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 8 [2024-11-20 18:18:04,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724565853] [2024-11-20 18:18:04,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:18:04,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:18:04,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:04,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:18:04,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:18:04,163 INFO L87 Difference]: Start difference. First operand 70 states and 80 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 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 18:18:04,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:04,204 INFO L93 Difference]: Finished difference Result 104 states and 117 transitions. [2024-11-20 18:18:04,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:18:04,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 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 35 [2024-11-20 18:18:04,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:04,205 INFO L225 Difference]: With dead ends: 104 [2024-11-20 18:18:04,205 INFO L226 Difference]: Without dead ends: 71 [2024-11-20 18:18:04,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:18:04,205 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 58 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:04,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 76 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:18:04,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-20 18:18:04,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2024-11-20 18:18:04,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 62 states have (on average 1.2741935483870968) internal successors, (79), 69 states have internal predecessors, (79), 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 18:18:04,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 79 transitions. [2024-11-20 18:18:04,212 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 79 transitions. Word has length 35 [2024-11-20 18:18:04,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:04,213 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 79 transitions. [2024-11-20 18:18:04,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 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 18:18:04,213 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2024-11-20 18:18:04,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-20 18:18:04,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:04,216 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:04,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-20 18:18:04,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:04,416 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:04,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:04,417 INFO L85 PathProgramCache]: Analyzing trace with hash -729939750, now seen corresponding path program 1 times [2024-11-20 18:18:04,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:04,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214995716] [2024-11-20 18:18:04,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:04,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:04,494 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-20 18:18:04,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:04,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214995716] [2024-11-20 18:18:04,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214995716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:18:04,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434341293] [2024-11-20 18:18:04,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:04,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:04,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:18:04,497 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 18:18:04,499 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 18:18:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:04,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 18:18:04,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:18:04,576 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-20 18:18:04,577 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:18:04,630 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-20 18:18:04,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434341293] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:18:04,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:18:04,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-20 18:18:04,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489103511] [2024-11-20 18:18:04,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:18:04,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 18:18:04,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:04,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 18:18:04,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:18:04,632 INFO L87 Difference]: Start difference. First operand 70 states and 79 transitions. Second operand has 13 states, 12 states have (on average 3.25) internal successors, (39), 13 states have internal predecessors, (39), 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 18:18:04,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:04,764 INFO L93 Difference]: Finished difference Result 87 states and 103 transitions. [2024-11-20 18:18:04,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 18:18:04,764 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.25) internal successors, (39), 13 states have internal predecessors, (39), 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 37 [2024-11-20 18:18:04,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:04,766 INFO L225 Difference]: With dead ends: 87 [2024-11-20 18:18:04,766 INFO L226 Difference]: Without dead ends: 86 [2024-11-20 18:18:04,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2024-11-20 18:18:04,767 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 43 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:04,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 188 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:18:04,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-20 18:18:04,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 85. [2024-11-20 18:18:04,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 77 states have (on average 1.2987012987012987) internal successors, (100), 84 states have internal predecessors, (100), 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 18:18:04,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 100 transitions. [2024-11-20 18:18:04,772 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 100 transitions. Word has length 37 [2024-11-20 18:18:04,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:04,772 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 100 transitions. [2024-11-20 18:18:04,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.25) internal successors, (39), 13 states have internal predecessors, (39), 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 18:18:04,773 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 100 transitions. [2024-11-20 18:18:04,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-20 18:18:04,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:04,773 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:04,790 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 18:18:04,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-20 18:18:04,974 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:04,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:04,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1345301402, now seen corresponding path program 1 times [2024-11-20 18:18:04,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:04,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227336573] [2024-11-20 18:18:04,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:04,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:05,049 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-20 18:18:05,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:05,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227336573] [2024-11-20 18:18:05,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227336573] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:18:05,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616389882] [2024-11-20 18:18:05,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:05,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:05,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:18:05,052 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 18:18:05,054 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 18:18:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:05,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 18:18:05,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:18:05,195 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-20 18:18:05,196 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:18:05,266 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-20 18:18:05,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616389882] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:18:05,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:18:05,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 15 [2024-11-20 18:18:05,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911627825] [2024-11-20 18:18:05,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:18:05,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 18:18:05,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:05,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 18:18:05,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:18:05,268 INFO L87 Difference]: Start difference. First operand 85 states and 100 transitions. Second operand has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 15 states have internal predecessors, (65), 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 18:18:05,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:05,484 INFO L93 Difference]: Finished difference Result 135 states and 161 transitions. [2024-11-20 18:18:05,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 18:18:05,484 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 15 states have internal predecessors, (65), 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 40 [2024-11-20 18:18:05,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:05,485 INFO L225 Difference]: With dead ends: 135 [2024-11-20 18:18:05,485 INFO L226 Difference]: Without dead ends: 102 [2024-11-20 18:18:05,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=524, Unknown=0, NotChecked=0, Total=702 [2024-11-20 18:18:05,486 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 165 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:05,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 146 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:18:05,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-20 18:18:05,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 92. [2024-11-20 18:18:05,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 84 states have (on average 1.2738095238095237) internal successors, (107), 91 states have internal predecessors, (107), 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 18:18:05,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 107 transitions. [2024-11-20 18:18:05,492 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 107 transitions. Word has length 40 [2024-11-20 18:18:05,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:05,492 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 107 transitions. [2024-11-20 18:18:05,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 15 states have internal predecessors, (65), 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 18:18:05,492 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 107 transitions. [2024-11-20 18:18:05,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-20 18:18:05,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:05,493 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:05,504 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 18:18:05,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:05,695 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:05,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:05,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1566750642, now seen corresponding path program 2 times [2024-11-20 18:18:05,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:05,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375391303] [2024-11-20 18:18:05,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:05,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:05,875 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-20 18:18:05,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:05,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375391303] [2024-11-20 18:18:05,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375391303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:18:05,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:18:05,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 18:18:05,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701837557] [2024-11-20 18:18:05,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:18:05,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 18:18:05,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:05,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 18:18:05,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:18:05,877 INFO L87 Difference]: Start difference. First operand 92 states and 107 transitions. Second operand has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:18:06,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:06,032 INFO L93 Difference]: Finished difference Result 133 states and 155 transitions. [2024-11-20 18:18:06,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 18:18:06,033 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-11-20 18:18:06,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:06,033 INFO L225 Difference]: With dead ends: 133 [2024-11-20 18:18:06,033 INFO L226 Difference]: Without dead ends: 88 [2024-11-20 18:18:06,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2024-11-20 18:18:06,034 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 44 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:06,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 175 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:18:06,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-20 18:18:06,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-20 18:18:06,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 80 states have (on average 1.25) internal successors, (100), 87 states have internal predecessors, (100), 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 18:18:06,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 100 transitions. [2024-11-20 18:18:06,040 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 100 transitions. Word has length 52 [2024-11-20 18:18:06,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:06,040 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 100 transitions. [2024-11-20 18:18:06,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:18:06,040 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 100 transitions. [2024-11-20 18:18:06,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-20 18:18:06,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:06,041 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:06,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 18:18:06,041 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:06,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:06,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1299044363, now seen corresponding path program 1 times [2024-11-20 18:18:06,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:06,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870145527] [2024-11-20 18:18:06,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:06,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:06,191 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-20 18:18:06,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:06,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870145527] [2024-11-20 18:18:06,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870145527] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:18:06,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793748613] [2024-11-20 18:18:06,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:06,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:06,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:18:06,193 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 18:18:06,194 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 18:18:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:06,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:18:06,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:18:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-20 18:18:06,441 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:18:06,572 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-20 18:18:06,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793748613] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:18:06,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:18:06,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2024-11-20 18:18:06,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428570706] [2024-11-20 18:18:06,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:18:06,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-20 18:18:06,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:06,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-20 18:18:06,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2024-11-20 18:18:06,573 INFO L87 Difference]: Start difference. First operand 88 states and 100 transitions. Second operand has 27 states, 27 states have (on average 2.888888888888889) internal successors, (78), 26 states have internal predecessors, (78), 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 18:18:06,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:06,764 INFO L93 Difference]: Finished difference Result 128 states and 146 transitions. [2024-11-20 18:18:06,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 18:18:06,764 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.888888888888889) internal successors, (78), 26 states have internal predecessors, (78), 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 54 [2024-11-20 18:18:06,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:06,765 INFO L225 Difference]: With dead ends: 128 [2024-11-20 18:18:06,765 INFO L226 Difference]: Without dead ends: 88 [2024-11-20 18:18:06,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=233, Invalid=957, Unknown=0, NotChecked=0, Total=1190 [2024-11-20 18:18:06,766 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 82 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:06,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 200 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:18:06,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-20 18:18:06,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-20 18:18:06,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 80 states have (on average 1.2375) internal successors, (99), 87 states have internal predecessors, (99), 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 18:18:06,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 99 transitions. [2024-11-20 18:18:06,769 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 99 transitions. Word has length 54 [2024-11-20 18:18:06,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:06,769 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 99 transitions. [2024-11-20 18:18:06,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.888888888888889) internal successors, (78), 26 states have internal predecessors, (78), 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 18:18:06,769 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2024-11-20 18:18:06,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-20 18:18:06,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:06,770 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:06,780 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 18:18:06,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:06,971 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:06,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:06,971 INFO L85 PathProgramCache]: Analyzing trace with hash 398787891, now seen corresponding path program 2 times [2024-11-20 18:18:06,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:06,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245195181] [2024-11-20 18:18:06,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:06,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:07,037 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-20 18:18:07,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:07,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245195181] [2024-11-20 18:18:07,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245195181] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:18:07,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379919935] [2024-11-20 18:18:07,037 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:18:07,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:07,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:18:07,039 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 18:18:07,040 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 18:18:07,082 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 18:18:07,082 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:18:07,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:18:07,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:18:07,109 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-20 18:18:07,109 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:18:07,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379919935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:18:07,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:18:07,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-20 18:18:07,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503679754] [2024-11-20 18:18:07,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:18:07,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:18:07,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:07,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:18:07,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:18:07,110 INFO L87 Difference]: Start difference. First operand 88 states and 99 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:18:07,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:07,149 INFO L93 Difference]: Finished difference Result 88 states and 99 transitions. [2024-11-20 18:18:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:18:07,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2024-11-20 18:18:07,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:07,150 INFO L225 Difference]: With dead ends: 88 [2024-11-20 18:18:07,150 INFO L226 Difference]: Without dead ends: 87 [2024-11-20 18:18:07,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:18:07,151 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 13 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:07,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 85 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:18:07,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-20 18:18:07,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-20 18:18:07,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 80 states have (on average 1.2125) internal successors, (97), 86 states have internal predecessors, (97), 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 18:18:07,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 97 transitions. [2024-11-20 18:18:07,154 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 97 transitions. Word has length 59 [2024-11-20 18:18:07,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:07,155 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 97 transitions. [2024-11-20 18:18:07,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:18:07,155 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2024-11-20 18:18:07,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-20 18:18:07,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:07,155 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:07,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-20 18:18:07,356 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,SelfDestructingSolverStorable15 [2024-11-20 18:18:07,356 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:07,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:07,357 INFO L85 PathProgramCache]: Analyzing trace with hash -522477186, now seen corresponding path program 1 times [2024-11-20 18:18:07,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:07,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646456708] [2024-11-20 18:18:07,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:07,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:07,429 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-20 18:18:07,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:07,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646456708] [2024-11-20 18:18:07,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646456708] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:18:07,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928418289] [2024-11-20 18:18:07,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:07,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:07,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:18:07,433 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 18:18:07,434 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 18:18:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:07,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 18:18:07,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:18:07,541 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-20 18:18:07,541 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:18:07,623 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-20 18:18:07,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928418289] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:18:07,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:18:07,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-20 18:18:07,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720102827] [2024-11-20 18:18:07,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:18:07,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 18:18:07,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:07,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 18:18:07,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:18:07,625 INFO L87 Difference]: Start difference. First operand 87 states and 97 transitions. Second operand has 14 states, 13 states have (on average 5.0) internal successors, (65), 14 states have internal predecessors, (65), 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 18:18:07,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:07,782 INFO L93 Difference]: Finished difference Result 120 states and 141 transitions. [2024-11-20 18:18:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 18:18:07,782 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.0) internal successors, (65), 14 states have internal predecessors, (65), 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 60 [2024-11-20 18:18:07,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:07,783 INFO L225 Difference]: With dead ends: 120 [2024-11-20 18:18:07,783 INFO L226 Difference]: Without dead ends: 117 [2024-11-20 18:18:07,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-11-20 18:18:07,784 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 54 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:07,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 165 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:18:07,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-20 18:18:07,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 108. [2024-11-20 18:18:07,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 101 states have (on average 1.2475247524752475) internal successors, (126), 107 states have internal predecessors, (126), 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 18:18:07,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2024-11-20 18:18:07,788 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 60 [2024-11-20 18:18:07,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:07,788 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2024-11-20 18:18:07,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.0) internal successors, (65), 14 states have internal predecessors, (65), 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 18:18:07,789 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2024-11-20 18:18:07,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-20 18:18:07,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:07,789 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:07,796 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 18:18:07,990 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,SelfDestructingSolverStorable16 [2024-11-20 18:18:07,990 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:07,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:07,990 INFO L85 PathProgramCache]: Analyzing trace with hash -262168383, now seen corresponding path program 1 times [2024-11-20 18:18:07,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:07,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356572515] [2024-11-20 18:18:07,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:07,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:08,033 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-20 18:18:08,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:08,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356572515] [2024-11-20 18:18:08,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356572515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:18:08,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:18:08,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:18:08,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222273402] [2024-11-20 18:18:08,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:18:08,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:18:08,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:08,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:18:08,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:18:08,035 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:18:08,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:08,055 INFO L93 Difference]: Finished difference Result 108 states and 126 transitions. [2024-11-20 18:18:08,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:18:08,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-20 18:18:08,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:08,056 INFO L225 Difference]: With dead ends: 108 [2024-11-20 18:18:08,056 INFO L226 Difference]: Without dead ends: 106 [2024-11-20 18:18:08,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:18:08,057 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 4 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:08,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 63 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:18:08,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-20 18:18:08,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-20 18:18:08,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 101 states have (on average 1.2079207920792079) internal successors, (122), 105 states have internal predecessors, (122), 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 18:18:08,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2024-11-20 18:18:08,062 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 69 [2024-11-20 18:18:08,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:08,062 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2024-11-20 18:18:08,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:18:08,062 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2024-11-20 18:18:08,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-20 18:18:08,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:08,063 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:08,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 18:18:08,063 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:08,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:08,064 INFO L85 PathProgramCache]: Analyzing trace with hash 464194430, now seen corresponding path program 2 times [2024-11-20 18:18:08,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:08,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112876127] [2024-11-20 18:18:08,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:08,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:08,202 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-20 18:18:08,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:08,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112876127] [2024-11-20 18:18:08,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112876127] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:18:08,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193513733] [2024-11-20 18:18:08,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:18:08,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:08,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:18:08,205 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:18:08,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-20 18:18:08,252 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 18:18:08,252 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:18:08,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:18:08,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:18:08,321 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-20 18:18:08,321 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:18:08,405 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-20 18:18:08,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193513733] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:18:08,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:18:08,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 3, 3] total 14 [2024-11-20 18:18:08,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682038460] [2024-11-20 18:18:08,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:18:08,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 18:18:08,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:08,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 18:18:08,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:18:08,406 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand has 15 states, 14 states have (on average 6.214285714285714) internal successors, (87), 15 states have internal predecessors, (87), 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 18:18:08,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:08,661 INFO L93 Difference]: Finished difference Result 108 states and 126 transitions. [2024-11-20 18:18:08,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-20 18:18:08,662 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.214285714285714) internal successors, (87), 15 states have internal predecessors, (87), 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 70 [2024-11-20 18:18:08,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:08,662 INFO L225 Difference]: With dead ends: 108 [2024-11-20 18:18:08,662 INFO L226 Difference]: Without dead ends: 107 [2024-11-20 18:18:08,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=266, Invalid=924, Unknown=0, NotChecked=0, Total=1190 [2024-11-20 18:18:08,663 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 57 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:08,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 162 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:18:08,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-20 18:18:08,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 96. [2024-11-20 18:18:08,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 92 states have (on average 1.173913043478261) internal successors, (108), 95 states have internal predecessors, (108), 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 18:18:08,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 108 transitions. [2024-11-20 18:18:08,667 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 108 transitions. Word has length 70 [2024-11-20 18:18:08,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:08,667 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 108 transitions. [2024-11-20 18:18:08,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.214285714285714) internal successors, (87), 15 states have internal predecessors, (87), 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 18:18:08,667 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 108 transitions. [2024-11-20 18:18:08,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-20 18:18:08,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:08,668 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:08,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-20 18:18:08,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:08,868 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:08,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:08,869 INFO L85 PathProgramCache]: Analyzing trace with hash -708963765, now seen corresponding path program 1 times [2024-11-20 18:18:08,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:08,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686765853] [2024-11-20 18:18:08,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:08,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:08,928 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-20 18:18:08,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:08,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686765853] [2024-11-20 18:18:08,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686765853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:18:08,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:18:08,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:18:08,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603423661] [2024-11-20 18:18:08,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:18:08,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:18:08,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:08,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:18:08,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:18:08,930 INFO L87 Difference]: Start difference. First operand 96 states and 108 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:18:08,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:08,950 INFO L93 Difference]: Finished difference Result 104 states and 116 transitions. [2024-11-20 18:18:08,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:18:08,951 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-20 18:18:08,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:08,951 INFO L225 Difference]: With dead ends: 104 [2024-11-20 18:18:08,951 INFO L226 Difference]: Without dead ends: 102 [2024-11-20 18:18:08,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:18:08,952 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 1 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:08,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 81 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:18:08,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-20 18:18:08,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-20 18:18:08,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 98 states have (on average 1.163265306122449) internal successors, (114), 101 states have internal predecessors, (114), 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 18:18:08,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 114 transitions. [2024-11-20 18:18:08,956 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 114 transitions. Word has length 77 [2024-11-20 18:18:08,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:08,956 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 114 transitions. [2024-11-20 18:18:08,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:18:08,957 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 114 transitions. [2024-11-20 18:18:08,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-20 18:18:08,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:08,958 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-20 18:18:08,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-20 18:18:08,958 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:08,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:08,958 INFO L85 PathProgramCache]: Analyzing trace with hash 764597638, now seen corresponding path program 1 times [2024-11-20 18:18:08,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:08,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810989520] [2024-11-20 18:18:08,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:08,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:09,001 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-20 18:18:09,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:09,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810989520] [2024-11-20 18:18:09,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810989520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:18:09,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:18:09,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:18:09,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842946997] [2024-11-20 18:18:09,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:18:09,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:18:09,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:09,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:18:09,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:18:09,003 INFO L87 Difference]: Start difference. First operand 102 states and 114 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:18:09,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:09,021 INFO L93 Difference]: Finished difference Result 102 states and 114 transitions. [2024-11-20 18:18:09,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:18:09,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-11-20 18:18:09,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:09,022 INFO L225 Difference]: With dead ends: 102 [2024-11-20 18:18:09,022 INFO L226 Difference]: Without dead ends: 101 [2024-11-20 18:18:09,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:18:09,023 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 8 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:09,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 65 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:18:09,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-20 18:18:09,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-20 18:18:09,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 98 states have (on average 1.153061224489796) internal successors, (113), 100 states have internal predecessors, (113), 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 18:18:09,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 113 transitions. [2024-11-20 18:18:09,027 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 113 transitions. Word has length 78 [2024-11-20 18:18:09,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:09,028 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 113 transitions. [2024-11-20 18:18:09,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:18:09,028 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 113 transitions. [2024-11-20 18:18:09,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-20 18:18:09,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:09,029 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-20 18:18:09,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-20 18:18:09,029 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:09,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:09,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1916720630, now seen corresponding path program 2 times [2024-11-20 18:18:09,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:09,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574074884] [2024-11-20 18:18:09,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:09,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:09,076 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-20 18:18:09,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:09,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574074884] [2024-11-20 18:18:09,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574074884] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:18:09,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200579853] [2024-11-20 18:18:09,077 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:18:09,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:09,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:18:09,080 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:18:09,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-20 18:18:09,139 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 18:18:09,139 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:18:09,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:18:09,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:18:09,209 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-20 18:18:09,209 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:18:09,285 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-20 18:18:09,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200579853] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:18:09,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:18:09,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2024-11-20 18:18:09,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725251970] [2024-11-20 18:18:09,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:18:09,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:18:09,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:09,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:18:09,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:18:09,287 INFO L87 Difference]: Start difference. First operand 101 states and 113 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 18:18:09,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:09,307 INFO L93 Difference]: Finished difference Result 101 states and 113 transitions. [2024-11-20 18:18:09,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:18:09,307 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 81 [2024-11-20 18:18:09,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:09,309 INFO L225 Difference]: With dead ends: 101 [2024-11-20 18:18:09,309 INFO L226 Difference]: Without dead ends: 100 [2024-11-20 18:18:09,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:18:09,310 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 20 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:09,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 56 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:18:09,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-20 18:18:09,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 88. [2024-11-20 18:18:09,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 86 states have (on average 1.127906976744186) internal successors, (97), 87 states have internal predecessors, (97), 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 18:18:09,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 97 transitions. [2024-11-20 18:18:09,315 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 97 transitions. Word has length 81 [2024-11-20 18:18:09,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:09,315 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 97 transitions. [2024-11-20 18:18:09,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 18:18:09,315 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2024-11-20 18:18:09,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-20 18:18:09,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:09,316 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:09,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-20 18:18:09,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-20 18:18:09,520 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:09,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:09,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1681849767, now seen corresponding path program 1 times [2024-11-20 18:18:09,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:09,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933385365] [2024-11-20 18:18:09,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:09,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:09,670 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 18:18:09,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:09,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933385365] [2024-11-20 18:18:09,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933385365] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:18:09,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112354154] [2024-11-20 18:18:09,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:09,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:09,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:18:09,673 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:18:09,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-20 18:18:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:09,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:18:09,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:18:09,928 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 18:18:09,928 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:18:10,037 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-20 18:18:10,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112354154] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:18:10,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:18:10,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-11-20 18:18:10,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889247674] [2024-11-20 18:18:10,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:18:10,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-20 18:18:10,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:10,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-20 18:18:10,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2024-11-20 18:18:10,038 INFO L87 Difference]: Start difference. First operand 88 states and 97 transitions. Second operand has 21 states, 21 states have (on average 4.285714285714286) internal successors, (90), 20 states have internal predecessors, (90), 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 18:18:10,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:10,255 INFO L93 Difference]: Finished difference Result 129 states and 146 transitions. [2024-11-20 18:18:10,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 18:18:10,256 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.285714285714286) internal successors, (90), 20 states have internal predecessors, (90), 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 83 [2024-11-20 18:18:10,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:10,256 INFO L225 Difference]: With dead ends: 129 [2024-11-20 18:18:10,256 INFO L226 Difference]: Without dead ends: 102 [2024-11-20 18:18:10,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 148 SyntacticMatches, 7 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=236, Invalid=886, Unknown=0, NotChecked=0, Total=1122 [2024-11-20 18:18:10,257 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 119 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:10,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 202 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:18:10,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-20 18:18:10,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 93. [2024-11-20 18:18:10,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 91 states have (on average 1.1318681318681318) internal successors, (103), 92 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 18:18:10,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 103 transitions. [2024-11-20 18:18:10,262 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 103 transitions. Word has length 83 [2024-11-20 18:18:10,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:10,262 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 103 transitions. [2024-11-20 18:18:10,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.285714285714286) internal successors, (90), 20 states have internal predecessors, (90), 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 18:18:10,262 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2024-11-20 18:18:10,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-20 18:18:10,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:10,263 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:10,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-20 18:18:10,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-20 18:18:10,464 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:10,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:10,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1959382345, now seen corresponding path program 2 times [2024-11-20 18:18:10,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:10,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273546749] [2024-11-20 18:18:10,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:10,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:10,570 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-20 18:18:10,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:10,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273546749] [2024-11-20 18:18:10,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273546749] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:18:10,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296361139] [2024-11-20 18:18:10,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:18:10,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:10,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:18:10,572 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:18:10,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-20 18:18:10,648 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:18:10,648 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:18:10,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:18:10,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:18:10,802 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-20 18:18:10,803 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:18:10,903 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-20 18:18:10,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296361139] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:18:10,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:18:10,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-11-20 18:18:10,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943456571] [2024-11-20 18:18:10,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:18:10,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-20 18:18:10,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:10,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-20 18:18:10,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-20 18:18:10,904 INFO L87 Difference]: Start difference. First operand 93 states and 103 transitions. Second operand has 18 states, 18 states have (on average 5.888888888888889) internal successors, (106), 17 states have internal predecessors, (106), 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 18:18:10,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:10,989 INFO L93 Difference]: Finished difference Result 142 states and 161 transitions. [2024-11-20 18:18:10,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 18:18:10,990 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.888888888888889) internal successors, (106), 17 states have internal predecessors, (106), 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 88 [2024-11-20 18:18:10,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:10,990 INFO L225 Difference]: With dead ends: 142 [2024-11-20 18:18:10,990 INFO L226 Difference]: Without dead ends: 127 [2024-11-20 18:18:10,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 164 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2024-11-20 18:18:10,991 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 126 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:10,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 156 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:18:10,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-20 18:18:10,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-20 18:18:10,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 125 states have (on average 1.144) internal successors, (143), 126 states have internal predecessors, (143), 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 18:18:10,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 143 transitions. [2024-11-20 18:18:10,996 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 143 transitions. Word has length 88 [2024-11-20 18:18:10,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:10,996 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 143 transitions. [2024-11-20 18:18:10,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.888888888888889) internal successors, (106), 17 states have internal predecessors, (106), 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 18:18:10,996 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 143 transitions. [2024-11-20 18:18:10,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-20 18:18:10,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:10,997 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:11,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-20 18:18:11,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-20 18:18:11,198 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:11,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:11,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1419548059, now seen corresponding path program 3 times [2024-11-20 18:18:11,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:11,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020400463] [2024-11-20 18:18:11,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:11,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:11,337 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 65 proven. 90 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-20 18:18:11,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:11,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020400463] [2024-11-20 18:18:11,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020400463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:18:11,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060457157] [2024-11-20 18:18:11,337 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 18:18:11,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:11,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:18:11,339 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:18:11,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-20 18:18:11,406 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-20 18:18:11,407 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:18:11,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:18:11,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:18:11,435 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-11-20 18:18:11,435 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:18:11,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060457157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:18:11,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:18:11,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 12 [2024-11-20 18:18:11,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261772444] [2024-11-20 18:18:11,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:18:11,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:18:11,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:11,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:18:11,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:18:11,437 INFO L87 Difference]: Start difference. First operand 127 states and 143 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 18:18:11,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:11,457 INFO L93 Difference]: Finished difference Result 127 states and 143 transitions. [2024-11-20 18:18:11,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:18:11,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 112 [2024-11-20 18:18:11,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:11,459 INFO L225 Difference]: With dead ends: 127 [2024-11-20 18:18:11,459 INFO L226 Difference]: Without dead ends: 126 [2024-11-20 18:18:11,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:18:11,459 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 2 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:11,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 88 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:18:11,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-20 18:18:11,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-20 18:18:11,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 1.136) internal successors, (142), 125 states have internal predecessors, (142), 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 18:18:11,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 142 transitions. [2024-11-20 18:18:11,464 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 142 transitions. Word has length 112 [2024-11-20 18:18:11,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:11,464 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 142 transitions. [2024-11-20 18:18:11,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 18:18:11,464 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 142 transitions. [2024-11-20 18:18:11,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-20 18:18:11,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:18:11,465 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:11,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-20 18:18:11,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:18:11,666 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-20 18:18:11,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:18:11,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1056316743, now seen corresponding path program 1 times [2024-11-20 18:18:11,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:18:11,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145293667] [2024-11-20 18:18:11,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:18:11,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:18:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:18:11,712 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2024-11-20 18:18:11,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:18:11,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145293667] [2024-11-20 18:18:11,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145293667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:18:11,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:18:11,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:18:11,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146496225] [2024-11-20 18:18:11,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:18:11,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:18:11,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:18:11,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:18:11,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:18:11,713 INFO L87 Difference]: Start difference. First operand 126 states and 142 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 18:18:11,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:18:11,730 INFO L93 Difference]: Finished difference Result 126 states and 142 transitions. [2024-11-20 18:18:11,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:18:11,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 113 [2024-11-20 18:18:11,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:18:11,731 INFO L225 Difference]: With dead ends: 126 [2024-11-20 18:18:11,731 INFO L226 Difference]: Without dead ends: 0 [2024-11-20 18:18:11,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:18:11,733 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:18:11,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 65 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:18:11,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-20 18:18:11,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-20 18:18:11,735 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 18:18:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-20 18:18:11,735 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 113 [2024-11-20 18:18:11,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:18:11,735 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 18:18:11,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 18:18:11,736 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-20 18:18:11,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-20 18:18:11,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-11-20 18:18:11,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-20 18:18:11,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-20 18:18:11,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-20 18:18:11,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-11-20 18:18:11,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-11-20 18:18:11,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-20 18:18:11,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-20 18:18:11,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-20 18:18:11,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-11-20 18:18:11,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-20 18:18:11,742 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:18:11,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-20 18:18:12,002 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 18:18:12,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:18:12 BoogieIcfgContainer [2024-11-20 18:18:12,016 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 18:18:12,017 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 18:18:12,017 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 18:18:12,017 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 18:18:12,017 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:18:01" (3/4) ... [2024-11-20 18:18:12,019 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 18:18:12,025 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-20 18:18:12,026 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-20 18:18:12,026 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-20 18:18:12,026 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 18:18:12,101 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 18:18:12,102 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 18:18:12,102 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 18:18:12,102 INFO L158 Benchmark]: Toolchain (without parser) took 11448.56ms. Allocated memory was 192.9MB in the beginning and 289.4MB in the end (delta: 96.5MB). Free memory was 127.9MB in the beginning and 178.4MB in the end (delta: -50.5MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2024-11-20 18:18:12,103 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 104.9MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 18:18:12,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.80ms. Allocated memory is still 192.9MB. Free memory was 127.7MB in the beginning and 114.5MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 18:18:12,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.83ms. Allocated memory is still 192.9MB. Free memory was 114.5MB in the beginning and 112.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 18:18:12,103 INFO L158 Benchmark]: Boogie Preprocessor took 74.36ms. Allocated memory is still 192.9MB. Free memory was 112.8MB in the beginning and 165.7MB in the end (delta: -53.0MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-20 18:18:12,104 INFO L158 Benchmark]: RCFGBuilder took 354.44ms. Allocated memory is still 192.9MB. Free memory was 165.7MB in the beginning and 151.3MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 18:18:12,104 INFO L158 Benchmark]: TraceAbstraction took 10674.98ms. Allocated memory was 192.9MB in the beginning and 289.4MB in the end (delta: 96.5MB). Free memory was 151.3MB in the beginning and 183.6MB in the end (delta: -32.3MB). Peak memory consumption was 128.1MB. Max. memory is 16.1GB. [2024-11-20 18:18:12,105 INFO L158 Benchmark]: Witness Printer took 85.27ms. Allocated memory is still 289.4MB. Free memory was 183.6MB in the beginning and 178.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 18:18:12,106 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 104.9MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.80ms. Allocated memory is still 192.9MB. Free memory was 127.7MB in the beginning and 114.5MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.83ms. Allocated memory is still 192.9MB. Free memory was 114.5MB in the beginning and 112.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.36ms. Allocated memory is still 192.9MB. Free memory was 112.8MB in the beginning and 165.7MB in the end (delta: -53.0MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * RCFGBuilder took 354.44ms. Allocated memory is still 192.9MB. Free memory was 165.7MB in the beginning and 151.3MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10674.98ms. Allocated memory was 192.9MB in the beginning and 289.4MB in the end (delta: 96.5MB). Free memory was 151.3MB in the beginning and 183.6MB in the end (delta: -32.3MB). Peak memory consumption was 128.1MB. Max. memory is 16.1GB. * Witness Printer took 85.27ms. Allocated memory is still 289.4MB. Free memory was 183.6MB in the beginning and 178.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: 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: 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: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: 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, 43 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 10.3s, OverallIterations: 26, TraceHistogramMax: 7, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 928 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 928 mSDsluCounter, 3108 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2402 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1998 IncrementalHoareTripleChecker+Invalid, 2043 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 706 mSDtfsCounter, 1998 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1543 GetRequests, 1239 SyntacticMatches, 14 SemanticMatches, 290 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1489 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=24, InterpolantAutomatonStates: 210, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 26 MinimizatonAttempts, 102 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 2039 NumberOfCodeBlocks, 1764 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 2543 ConstructedInterpolants, 0 QuantifiedInterpolants, 7049 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1962 ConjunctsInSsa, 80 ConjunctsInUnsatCore, 50 InterpolantComputations, 16 PerfectInterpolantSequences, 3719/4577 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 10 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((5 == n) && (0 <= (2147483649 + lh))) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((0 <= (i + 2147483648)) && (5 == n)) && (0 <= (2147483649 + lh))) && (lh <= 4)) - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: ((5 == n) && (0 <= (i + 2147483648))) - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: ((5 == n) && (i <= 4)) RESULT: Ultimate proved your program to be correct! [2024-11-20 18:18:12,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE