./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-fpi/condn.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/array-fpi/condn.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d395fadb914a95d9511046d910130b84077290c26c4e0d02bd3863b898526b50 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:05:28,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:05:28,570 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:05:28,575 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:05:28,577 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:05:28,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:05:28,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:05:28,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:05:28,611 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:05:28,616 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:05:28,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:05:28,617 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:05:28,618 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:05:28,618 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:05:28,618 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:05:28,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:05:28,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:05:28,619 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:05:28,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:05:28,620 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:05:28,620 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:05:28,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:05:28,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:05:28,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:05:28,625 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:05:28,625 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:05:28,625 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:05:28,625 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:05:28,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:05:28,626 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:05:28,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:05:28,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:05:28,627 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:05:28,627 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:05:28,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:05:28,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:05:28,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:05:28,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:05:28,630 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:05:28,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:05:28,631 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:05:28,632 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:05:28,632 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:05:28,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:05:28,633 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d395fadb914a95d9511046d910130b84077290c26c4e0d02bd3863b898526b50 [2024-11-09 11:05:28,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:05:28,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:05:28,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:05:28,913 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:05:28,913 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:05:28,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/condn.c [2024-11-09 11:05:30,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:05:30,549 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:05:30,549 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/condn.c [2024-11-09 11:05:30,557 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3fd02390/5df8925a11cd4ec7b93b4373d9fbcd8b/FLAG8128f107f [2024-11-09 11:05:30,575 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3fd02390/5df8925a11cd4ec7b93b4373d9fbcd8b [2024-11-09 11:05:30,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:05:30,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:05:30,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:05:30,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:05:30,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:05:30,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:05:30" (1/1) ... [2024-11-09 11:05:30,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d94317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:05:30, skipping insertion in model container [2024-11-09 11:05:30,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:05:30" (1/1) ... [2024-11-09 11:05:30,614 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:05:30,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:05:30,808 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:05:30,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:05:30,842 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:05:30,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:05:30 WrapperNode [2024-11-09 11:05:30,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:05:30,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:05:30,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:05:30,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:05:30,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:05:30" (1/1) ... [2024-11-09 11:05:30,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:05:30" (1/1) ... [2024-11-09 11:05:30,879 INFO L138 Inliner]: procedures = 16, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 86 [2024-11-09 11:05:30,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:05:30,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:05:30,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:05:30,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:05:30,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:05:30" (1/1) ... [2024-11-09 11:05:30,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:05:30" (1/1) ... [2024-11-09 11:05:30,892 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:05:30" (1/1) ... [2024-11-09 11:05:30,944 INFO L175 MemorySlicer]: Split 16 memory accesses to 3 slices as follows [2, 8, 6]. 50 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8, 0]. The 3 writes are split as follows [0, 0, 3]. [2024-11-09 11:05:30,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:05:30" (1/1) ... [2024-11-09 11:05:30,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:05:30" (1/1) ... [2024-11-09 11:05:30,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:05:30" (1/1) ... [2024-11-09 11:05:30,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:05:30" (1/1) ... [2024-11-09 11:05:30,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:05:30" (1/1) ... [2024-11-09 11:05:30,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:05:30" (1/1) ... [2024-11-09 11:05:30,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:05:30,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:05:30,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:05:30,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:05:30,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:05:30" (1/1) ... [2024-11-09 11:05:30,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:05:30,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:05:31,001 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) [2024-11-09 11:05:31,006 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 [2024-11-09 11:05:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:05:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:05:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 11:05:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 11:05:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 11:05:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 11:05:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 11:05:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 11:05:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:05:31,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:05:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 11:05:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 11:05:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 11:05:31,126 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:05:31,127 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:05:31,273 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 11:05:31,273 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:05:31,285 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:05:31,285 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-09 11:05:31,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:05:31 BoogieIcfgContainer [2024-11-09 11:05:31,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:05:31,289 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:05:31,289 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:05:31,293 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:05:31,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:05:30" (1/3) ... [2024-11-09 11:05:31,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e5f1e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:05:31, skipping insertion in model container [2024-11-09 11:05:31,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:05:30" (2/3) ... [2024-11-09 11:05:31,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e5f1e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:05:31, skipping insertion in model container [2024-11-09 11:05:31,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:05:31" (3/3) ... [2024-11-09 11:05:31,297 INFO L112 eAbstractionObserver]: Analyzing ICFG condn.c [2024-11-09 11:05:31,314 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:05:31,314 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-09 11:05:31,367 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:05:31,374 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;@7eedce2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:05:31,375 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-09 11:05:31,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 33 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) [2024-11-09 11:05:31,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 11:05:31,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:31,383 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:05:31,384 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:05:31,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:31,388 INFO L85 PathProgramCache]: Analyzing trace with hash 177631151, now seen corresponding path program 1 times [2024-11-09 11:05:31,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:31,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141369681] [2024-11-09 11:05:31,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:31,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:31,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:05:31,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:05:31,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141369681] [2024-11-09 11:05:31,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141369681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:05:31,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:05:31,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:05:31,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638661048] [2024-11-09 11:05:31,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:05:31,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 11:05:31,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:05:31,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 11:05:31,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:05:31,589 INFO L87 Difference]: Start difference. First operand has 34 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 33 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) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-11-09 11:05:31,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:31,605 INFO L93 Difference]: Finished difference Result 63 states and 79 transitions. [2024-11-09 11:05:31,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 11:05:31,608 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2024-11-09 11:05:31,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:31,616 INFO L225 Difference]: With dead ends: 63 [2024-11-09 11:05:31,617 INFO L226 Difference]: Without dead ends: 28 [2024-11-09 11:05:31,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:05:31,624 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:31,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:05:31,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-09 11:05:31,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-09 11:05:31,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 27 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:31,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2024-11-09 11:05:31,656 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 8 [2024-11-09 11:05:31,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:31,656 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2024-11-09 11:05:31,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-11-09 11:05:31,657 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-11-09 11:05:31,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 11:05:31,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:31,659 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:05:31,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:05:31,659 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:05:31,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:31,660 INFO L85 PathProgramCache]: Analyzing trace with hash 179478193, now seen corresponding path program 1 times [2024-11-09 11:05:31,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:31,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908463008] [2024-11-09 11:05:31,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:31,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:31,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:05:31,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:05:31,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908463008] [2024-11-09 11:05:31,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908463008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:05:31,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:05:31,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:05:31,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28559661] [2024-11-09 11:05:31,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:05:31,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:05:31,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:05:31,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:05:31,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:05:31,909 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-09 11:05:31,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:31,992 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2024-11-09 11:05:31,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:05:31,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2024-11-09 11:05:31,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:31,994 INFO L225 Difference]: With dead ends: 41 [2024-11-09 11:05:31,995 INFO L226 Difference]: Without dead ends: 39 [2024-11-09 11:05:31,995 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 [2024-11-09 11:05:31,997 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 7 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:31,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 48 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:05:31,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-09 11:05:32,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32. [2024-11-09 11:05:32,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 31 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) [2024-11-09 11:05:32,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2024-11-09 11:05:32,008 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 8 [2024-11-09 11:05:32,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:32,008 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2024-11-09 11:05:32,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-09 11:05:32,009 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2024-11-09 11:05:32,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 11:05:32,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:32,009 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:05:32,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:05:32,010 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:05:32,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:32,010 INFO L85 PathProgramCache]: Analyzing trace with hash -448816298, now seen corresponding path program 1 times [2024-11-09 11:05:32,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:32,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899554805] [2024-11-09 11:05:32,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:32,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:32,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:05:32,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:05:32,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899554805] [2024-11-09 11:05:32,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899554805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:05:32,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:05:32,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:05:32,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779774078] [2024-11-09 11:05:32,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:05:32,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:05:32,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:05:32,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:05:32,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:05:32,144 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:32,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:32,204 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2024-11-09 11:05:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:05:32,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-09 11:05:32,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:32,205 INFO L225 Difference]: With dead ends: 56 [2024-11-09 11:05:32,205 INFO L226 Difference]: Without dead ends: 39 [2024-11-09 11:05:32,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:05:32,207 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 34 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:32,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 32 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:05:32,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-09 11:05:32,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2024-11-09 11:05:32,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 32 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:32,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2024-11-09 11:05:32,212 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 11 [2024-11-09 11:05:32,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:32,213 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2024-11-09 11:05:32,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:32,213 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2024-11-09 11:05:32,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 11:05:32,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:32,213 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:05:32,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:05:32,214 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:05:32,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:32,214 INFO L85 PathProgramCache]: Analyzing trace with hash 504169901, now seen corresponding path program 1 times [2024-11-09 11:05:32,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:32,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119877088] [2024-11-09 11:05:32,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:32,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:32,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:05:32,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:05:32,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119877088] [2024-11-09 11:05:32,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119877088] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:05:32,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002795812] [2024-11-09 11:05:32,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:32,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:32,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:05:32,347 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) [2024-11-09 11:05:32,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:05:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:32,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:05:32,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:05:32,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:05:32,489 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:05:32,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002795812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:05:32,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:05:32,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-09 11:05:32,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167080282] [2024-11-09 11:05:32,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:05:32,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:05:32,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:05:32,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:05:32,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:05:32,491 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:32,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:32,574 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2024-11-09 11:05:32,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:05:32,575 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-09 11:05:32,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:32,575 INFO L225 Difference]: With dead ends: 39 [2024-11-09 11:05:32,576 INFO L226 Difference]: Without dead ends: 38 [2024-11-09 11:05:32,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:05:32,577 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 7 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:32,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 57 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:05:32,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-09 11:05:32,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 32. [2024-11-09 11:05:32,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 31 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) [2024-11-09 11:05:32,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2024-11-09 11:05:32,586 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 12 [2024-11-09 11:05:32,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:32,586 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2024-11-09 11:05:32,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:32,587 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2024-11-09 11:05:32,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 11:05:32,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:32,587 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:05:32,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 11:05:32,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:32,792 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:05:32,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:32,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1550602195, now seen corresponding path program 1 times [2024-11-09 11:05:32,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:32,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246031361] [2024-11-09 11:05:32,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:32,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:32,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:05:32,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:05:32,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246031361] [2024-11-09 11:05:32,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246031361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:05:32,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57698492] [2024-11-09 11:05:32,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:32,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:32,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:05:32,894 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) [2024-11-09 11:05:32,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:05:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:32,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:05:32,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:05:32,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:05:32,999 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:05:33,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:05:33,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57698492] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:05:33,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:05:33,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-09 11:05:33,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891861471] [2024-11-09 11:05:33,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:05:33,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:05:33,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:05:33,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:05:33,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:05:33,059 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 12 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 12 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) [2024-11-09 11:05:33,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:33,148 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2024-11-09 11:05:33,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:05:33,149 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 12 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 13 [2024-11-09 11:05:33,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:33,151 INFO L225 Difference]: With dead ends: 51 [2024-11-09 11:05:33,151 INFO L226 Difference]: Without dead ends: 50 [2024-11-09 11:05:33,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:05:33,153 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 18 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:33,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 77 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:05:33,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-09 11:05:33,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 44. [2024-11-09 11:05:33,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 43 states have internal predecessors, (50), 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) [2024-11-09 11:05:33,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2024-11-09 11:05:33,208 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 13 [2024-11-09 11:05:33,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:33,208 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2024-11-09 11:05:33,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 12 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) [2024-11-09 11:05:33,210 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2024-11-09 11:05:33,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:05:33,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:33,214 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:05:33,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:05:33,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:33,415 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:05:33,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:33,416 INFO L85 PathProgramCache]: Analyzing trace with hash 175506138, now seen corresponding path program 1 times [2024-11-09 11:05:33,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:33,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167626252] [2024-11-09 11:05:33,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:33,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:33,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:05:33,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:05:33,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167626252] [2024-11-09 11:05:33,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167626252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:05:33,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:05:33,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:05:33,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022849820] [2024-11-09 11:05:33,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:05:33,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:05:33,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:05:33,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:05:33,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:05:33,490 INFO L87 Difference]: Start difference. First operand 44 states and 50 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) [2024-11-09 11:05:33,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:33,542 INFO L93 Difference]: Finished difference Result 54 states and 61 transitions. [2024-11-09 11:05:33,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:05:33,543 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 [2024-11-09 11:05:33,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:33,543 INFO L225 Difference]: With dead ends: 54 [2024-11-09 11:05:33,543 INFO L226 Difference]: Without dead ends: 52 [2024-11-09 11:05:33,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:05:33,545 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 6 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:33,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 49 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:05:33,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-09 11:05:33,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2024-11-09 11:05:33,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 47 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) [2024-11-09 11:05:33,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 55 transitions. [2024-11-09 11:05:33,556 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 55 transitions. Word has length 15 [2024-11-09 11:05:33,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:33,560 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 55 transitions. [2024-11-09 11:05:33,560 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) [2024-11-09 11:05:33,560 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2024-11-09 11:05:33,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 11:05:33,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:33,561 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:05:33,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 11:05:33,561 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:05:33,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:33,562 INFO L85 PathProgramCache]: Analyzing trace with hash -242085156, now seen corresponding path program 1 times [2024-11-09 11:05:33,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:33,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911223612] [2024-11-09 11:05:33,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:33,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:33,695 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:05:33,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:05:33,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911223612] [2024-11-09 11:05:33,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911223612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:05:33,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262334914] [2024-11-09 11:05:33,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:33,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:33,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:05:33,699 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) [2024-11-09 11:05:33,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:05:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:33,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:05:33,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:05:33,885 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:05:33,887 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:05:34,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:05:34,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262334914] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:05:34,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:05:34,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 16 [2024-11-09 11:05:34,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088058044] [2024-11-09 11:05:34,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:05:34,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:05:34,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:05:34,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:05:34,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:05:34,015 INFO L87 Difference]: Start difference. First operand 48 states and 55 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 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) [2024-11-09 11:05:34,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:34,250 INFO L93 Difference]: Finished difference Result 90 states and 104 transitions. [2024-11-09 11:05:34,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:05:34,251 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 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) Word has length 20 [2024-11-09 11:05:34,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:34,252 INFO L225 Difference]: With dead ends: 90 [2024-11-09 11:05:34,252 INFO L226 Difference]: Without dead ends: 74 [2024-11-09 11:05:34,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:05:34,253 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 38 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:34,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 120 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:05:34,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-09 11:05:34,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 54. [2024-11-09 11:05:34,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 50 states have (on average 1.24) internal successors, (62), 53 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) [2024-11-09 11:05:34,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2024-11-09 11:05:34,259 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 20 [2024-11-09 11:05:34,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:34,259 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2024-11-09 11:05:34,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 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) [2024-11-09 11:05:34,260 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2024-11-09 11:05:34,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 11:05:34,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:34,260 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:05:34,277 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:05:34,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:34,461 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:05:34,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:34,462 INFO L85 PathProgramCache]: Analyzing trace with hash -2124685095, now seen corresponding path program 1 times [2024-11-09 11:05:34,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:34,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729782286] [2024-11-09 11:05:34,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:34,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:34,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 11:05:34,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:05:34,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729782286] [2024-11-09 11:05:34,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729782286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:05:34,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:05:34,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:05:34,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023528346] [2024-11-09 11:05:34,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:05:34,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:05:34,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:05:34,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:05:34,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:05:34,514 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:34,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:34,551 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2024-11-09 11:05:34,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:05:34,552 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-09 11:05:34,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:34,552 INFO L225 Difference]: With dead ends: 62 [2024-11-09 11:05:34,552 INFO L226 Difference]: Without dead ends: 60 [2024-11-09 11:05:34,553 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 [2024-11-09 11:05:34,554 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 5 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:34,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 46 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:05:34,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-09 11:05:34,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-09 11:05:34,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 59 states have internal predecessors, (68), 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) [2024-11-09 11:05:34,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 68 transitions. [2024-11-09 11:05:34,560 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 68 transitions. Word has length 23 [2024-11-09 11:05:34,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:34,560 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 68 transitions. [2024-11-09 11:05:34,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:34,560 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2024-11-09 11:05:34,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 11:05:34,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:34,561 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:05:34,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 11:05:34,561 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:05:34,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:34,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1539433607, now seen corresponding path program 1 times [2024-11-09 11:05:34,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:34,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237964719] [2024-11-09 11:05:34,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:34,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:34,634 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 11:05:34,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:05:34,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237964719] [2024-11-09 11:05:34,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237964719] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:05:34,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328946792] [2024-11-09 11:05:34,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:34,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:34,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:05:34,645 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) [2024-11-09 11:05:34,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:05:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:34,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:05:34,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:05:34,734 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 11:05:34,734 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:05:34,781 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 11:05:34,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328946792] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:05:34,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:05:34,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-09 11:05:34,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873680335] [2024-11-09 11:05:34,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:05:34,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:05:34,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:05:34,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:05:34,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:05:34,783 INFO L87 Difference]: Start difference. First operand 60 states and 68 transitions. Second operand has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:34,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:34,856 INFO L93 Difference]: Finished difference Result 76 states and 92 transitions. [2024-11-09 11:05:34,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:05:34,856 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-09 11:05:34,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:34,857 INFO L225 Difference]: With dead ends: 76 [2024-11-09 11:05:34,857 INFO L226 Difference]: Without dead ends: 75 [2024-11-09 11:05:34,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:05:34,858 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 9 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:34,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 83 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:05:34,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-09 11:05:34,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-09 11:05:34,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 71 states have (on average 1.2535211267605635) internal successors, (89), 74 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:34,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 89 transitions. [2024-11-09 11:05:34,867 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 89 transitions. Word has length 25 [2024-11-09 11:05:34,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:34,867 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 89 transitions. [2024-11-09 11:05:34,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:05:34,867 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 89 transitions. [2024-11-09 11:05:34,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 11:05:34,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:34,868 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2024-11-09 11:05:34,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:05:35,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:35,069 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:05:35,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:35,070 INFO L85 PathProgramCache]: Analyzing trace with hash -2053124679, now seen corresponding path program 2 times [2024-11-09 11:05:35,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:35,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284380087] [2024-11-09 11:05:35,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:35,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:35,209 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:05:35,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:05:35,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284380087] [2024-11-09 11:05:35,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284380087] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:05:35,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695365389] [2024-11-09 11:05:35,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:05:35,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:35,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:05:35,212 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) [2024-11-09 11:05:35,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:05:35,271 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:05:35,271 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:05:35,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:05:35,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:05:35,338 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:05:35,338 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:05:35,390 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:05:35,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695365389] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:05:35,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:05:35,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2024-11-09 11:05:35,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150742780] [2024-11-09 11:05:35,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:05:35,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 11:05:35,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:05:35,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 11:05:35,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:05:35,392 INFO L87 Difference]: Start difference. First operand 75 states and 89 transitions. Second operand has 15 states, 14 states have (on average 2.642857142857143) internal successors, (37), 15 states have internal predecessors, (37), 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) [2024-11-09 11:05:35,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:35,601 INFO L93 Difference]: Finished difference Result 80 states and 97 transitions. [2024-11-09 11:05:35,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:05:35,601 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.642857142857143) internal successors, (37), 15 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-09 11:05:35,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:35,604 INFO L225 Difference]: With dead ends: 80 [2024-11-09 11:05:35,604 INFO L226 Difference]: Without dead ends: 79 [2024-11-09 11:05:35,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2024-11-09 11:05:35,605 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 48 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:35,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 67 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:05:35,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-09 11:05:35,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 63. [2024-11-09 11:05:35,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 60 states have (on average 1.25) internal successors, (75), 62 states have internal predecessors, (75), 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) [2024-11-09 11:05:35,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2024-11-09 11:05:35,616 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 25 [2024-11-09 11:05:35,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:35,616 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2024-11-09 11:05:35,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.642857142857143) internal successors, (37), 15 states have internal predecessors, (37), 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) [2024-11-09 11:05:35,617 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2024-11-09 11:05:35,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 11:05:35,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:35,618 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:05:35,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 11:05:35,822 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,SelfDestructingSolverStorable9 [2024-11-09 11:05:35,823 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:05:35,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:35,823 INFO L85 PathProgramCache]: Analyzing trace with hash -585127476, now seen corresponding path program 1 times [2024-11-09 11:05:35,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:35,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825047133] [2024-11-09 11:05:35,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:35,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:35,899 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 11:05:35,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:05:35,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825047133] [2024-11-09 11:05:35,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825047133] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:05:35,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264621917] [2024-11-09 11:05:35,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:35,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:35,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:05:35,902 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) [2024-11-09 11:05:35,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:05:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:35,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:05:35,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:05:36,080 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:05:36,080 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:05:36,181 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:05:36,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264621917] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:05:36,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:05:36,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 16 [2024-11-09 11:05:36,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980987397] [2024-11-09 11:05:36,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:05:36,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:05:36,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:05:36,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:05:36,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:05:36,186 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 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) [2024-11-09 11:05:36,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:36,364 INFO L93 Difference]: Finished difference Result 83 states and 96 transitions. [2024-11-09 11:05:36,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:05:36,364 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 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) Word has length 29 [2024-11-09 11:05:36,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:36,365 INFO L225 Difference]: With dead ends: 83 [2024-11-09 11:05:36,365 INFO L226 Difference]: Without dead ends: 60 [2024-11-09 11:05:36,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 44 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-11-09 11:05:36,366 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 25 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:36,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 107 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:05:36,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-09 11:05:36,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 55. [2024-11-09 11:05:36,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 54 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) [2024-11-09 11:05:36,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2024-11-09 11:05:36,372 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 29 [2024-11-09 11:05:36,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:36,372 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2024-11-09 11:05:36,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 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) [2024-11-09 11:05:36,372 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2024-11-09 11:05:36,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 11:05:36,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:36,373 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:05:36,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:05:36,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:36,574 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:05:36,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:36,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1183994398, now seen corresponding path program 1 times [2024-11-09 11:05:36,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:36,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790146703] [2024-11-09 11:05:36,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:36,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:36,669 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 11:05:36,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:05:36,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790146703] [2024-11-09 11:05:36,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790146703] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:05:36,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755562510] [2024-11-09 11:05:36,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:36,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:36,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:05:36,672 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) [2024-11-09 11:05:36,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:05:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:36,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:05:36,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:05:36,839 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 11:05:36,839 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:05:36,923 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 11:05:36,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755562510] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:05:36,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:05:36,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 16 [2024-11-09 11:05:36,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510498585] [2024-11-09 11:05:36,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:05:36,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:05:36,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:05:36,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:05:36,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:05:36,924 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 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) [2024-11-09 11:05:37,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:37,127 INFO L93 Difference]: Finished difference Result 75 states and 86 transitions. [2024-11-09 11:05:37,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 11:05:37,128 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 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) Word has length 34 [2024-11-09 11:05:37,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:37,128 INFO L225 Difference]: With dead ends: 75 [2024-11-09 11:05:37,128 INFO L226 Difference]: Without dead ends: 61 [2024-11-09 11:05:37,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 55 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=494, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:05:37,129 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 69 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:37,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 80 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:05:37,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-09 11:05:37,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-09 11:05:37,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 59 states have (on average 1.1864406779661016) internal successors, (70), 60 states have internal predecessors, (70), 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) [2024-11-09 11:05:37,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2024-11-09 11:05:37,139 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 34 [2024-11-09 11:05:37,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:37,139 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2024-11-09 11:05:37,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 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) [2024-11-09 11:05:37,139 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2024-11-09 11:05:37,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 11:05:37,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:37,143 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:05:37,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:05:37,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:37,344 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:05:37,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:37,344 INFO L85 PathProgramCache]: Analyzing trace with hash -3921101, now seen corresponding path program 2 times [2024-11-09 11:05:37,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:37,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549126137] [2024-11-09 11:05:37,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:37,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:37,468 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 11:05:37,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:05:37,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549126137] [2024-11-09 11:05:37,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549126137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:05:37,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202982365] [2024-11-09 11:05:37,469 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:05:37,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:37,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:05:37,471 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) [2024-11-09 11:05:37,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:05:37,531 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:05:37,531 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:05:37,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:05:37,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:05:37,598 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:05:37,598 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:05:37,661 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:05:37,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202982365] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:05:37,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:05:37,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-09 11:05:37,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385808771] [2024-11-09 11:05:37,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:05:37,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:05:37,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:05:37,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:05:37,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:05:37,664 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 12 states have internal predecessors, (45), 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) [2024-11-09 11:05:37,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:37,849 INFO L93 Difference]: Finished difference Result 112 states and 131 transitions. [2024-11-09 11:05:37,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:05:37,850 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 12 states have internal predecessors, (45), 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 [2024-11-09 11:05:37,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:37,851 INFO L225 Difference]: With dead ends: 112 [2024-11-09 11:05:37,851 INFO L226 Difference]: Without dead ends: 111 [2024-11-09 11:05:37,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 75 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=433, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:05:37,852 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 64 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:37,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 59 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:05:37,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-09 11:05:37,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 46. [2024-11-09 11:05:37,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 45 states have internal predecessors, (50), 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) [2024-11-09 11:05:37,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2024-11-09 11:05:37,857 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 40 [2024-11-09 11:05:37,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:37,857 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2024-11-09 11:05:37,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 12 states have internal predecessors, (45), 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) [2024-11-09 11:05:37,858 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2024-11-09 11:05:37,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:05:37,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:05:37,860 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:05:37,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 11:05:38,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 11:05:38,061 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:05:38,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:05:38,061 INFO L85 PathProgramCache]: Analyzing trace with hash 501689745, now seen corresponding path program 2 times [2024-11-09 11:05:38,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:05:38,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226264683] [2024-11-09 11:05:38,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:05:38,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:05:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:05:38,262 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 11:05:38,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:05:38,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226264683] [2024-11-09 11:05:38,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226264683] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:05:38,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174397596] [2024-11-09 11:05:38,263 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:05:38,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:05:38,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:05:38,265 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) [2024-11-09 11:05:38,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:05:38,322 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:05:38,323 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:05:38,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:05:38,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:05:38,406 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 11:05:38,406 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:05:38,476 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 11:05:38,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174397596] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:05:38,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:05:38,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 4, 4] total 16 [2024-11-09 11:05:38,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715835886] [2024-11-09 11:05:38,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:05:38,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:05:38,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:05:38,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:05:38,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:05:38,478 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 16 states, 16 states have (on average 4.3125) internal successors, (69), 16 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) [2024-11-09 11:05:38,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:05:38,703 INFO L93 Difference]: Finished difference Result 83 states and 92 transitions. [2024-11-09 11:05:38,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 11:05:38,703 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.3125) internal successors, (69), 16 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) Word has length 45 [2024-11-09 11:05:38,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:05:38,703 INFO L225 Difference]: With dead ends: 83 [2024-11-09 11:05:38,703 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 11:05:38,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 85 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2024-11-09 11:05:38,705 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 48 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:05:38,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 78 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:05:38,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 11:05:38,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 11:05:38,708 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) [2024-11-09 11:05:38,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 11:05:38,708 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2024-11-09 11:05:38,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:05:38,708 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 11:05:38,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.3125) internal successors, (69), 16 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) [2024-11-09 11:05:38,708 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 11:05:38,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 11:05:38,711 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-09 11:05:38,712 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-09 11:05:38,712 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-09 11:05:38,712 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-09 11:05:38,712 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-09 11:05:38,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-09 11:05:38,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:05:38,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 11:05:38,917 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:05:38,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 11:05:39,313 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 11:05:39,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:05:39 BoogieIcfgContainer [2024-11-09 11:05:39,334 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 11:05:39,335 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 11:05:39,335 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 11:05:39,335 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 11:05:39,336 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:05:31" (3/4) ... [2024-11-09 11:05:39,339 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 11:05:39,347 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-09 11:05:39,348 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 11:05:39,348 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 11:05:39,349 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 11:05:39,349 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 11:05:39,440 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 11:05:39,440 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 11:05:39,440 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 11:05:39,441 INFO L158 Benchmark]: Toolchain (without parser) took 8860.79ms. Allocated memory was 172.0MB in the beginning and 228.6MB in the end (delta: 56.6MB). Free memory was 104.7MB in the beginning and 131.1MB in the end (delta: -26.4MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-11-09 11:05:39,441 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 172.0MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 11:05:39,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.42ms. Allocated memory is still 172.0MB. Free memory was 104.5MB in the beginning and 91.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 11:05:39,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.36ms. Allocated memory is still 172.0MB. Free memory was 91.9MB in the beginning and 90.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 11:05:39,442 INFO L158 Benchmark]: Boogie Preprocessor took 88.49ms. Allocated memory is still 172.0MB. Free memory was 90.1MB in the beginning and 144.0MB in the end (delta: -53.9MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-09 11:05:39,443 INFO L158 Benchmark]: RCFGBuilder took 317.73ms. Allocated memory is still 172.0MB. Free memory was 144.0MB in the beginning and 130.5MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 11:05:39,443 INFO L158 Benchmark]: TraceAbstraction took 8045.67ms. Allocated memory was 172.0MB in the beginning and 228.6MB in the end (delta: 56.6MB). Free memory was 130.5MB in the beginning and 136.3MB in the end (delta: -5.8MB). Peak memory consumption was 119.9MB. Max. memory is 16.1GB. [2024-11-09 11:05:39,443 INFO L158 Benchmark]: Witness Printer took 105.26ms. Allocated memory is still 228.6MB. Free memory was 136.3MB in the beginning and 131.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 11:05:39,445 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 172.0MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.42ms. Allocated memory is still 172.0MB. Free memory was 104.5MB in the beginning and 91.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.36ms. Allocated memory is still 172.0MB. Free memory was 91.9MB in the beginning and 90.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.49ms. Allocated memory is still 172.0MB. Free memory was 90.1MB in the beginning and 144.0MB in the end (delta: -53.9MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * RCFGBuilder took 317.73ms. Allocated memory is still 172.0MB. Free memory was 144.0MB in the beginning and 130.5MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8045.67ms. Allocated memory was 172.0MB in the beginning and 228.6MB in the end (delta: 56.6MB). Free memory was 130.5MB in the beginning and 136.3MB in the end (delta: -5.8MB). Peak memory consumption was 119.9MB. Max. memory is 16.1GB. * Witness Printer took 105.26ms. Allocated memory is still 228.6MB. Free memory was 136.3MB in the beginning and 131.1MB 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: 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: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 14, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 378 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 378 mSDsluCounter, 940 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 694 mSDsCounter, 100 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1525 IncrementalHoareTripleChecker+Invalid, 1625 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 100 mSolverCounterUnsat, 246 mSDtfsCounter, 1525 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 591 GetRequests, 407 SyntacticMatches, 18 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 644 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=9, InterpolantAutomatonStates: 136, 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, 14 MinimizatonAttempts, 135 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 551 NumberOfCodeBlocks, 477 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 751 ConstructedInterpolants, 0 QuantifiedInterpolants, 1917 SizeOfPredicates, 14 NumberOfNonLiveVariables, 871 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 31 InterpolantComputations, 6 PerfectInterpolantSequences, 298/510 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((i == 0) && (N <= 2147483647)) && (1 <= N)) || (((1 <= i) && (N <= 2147483647)) && (2 <= N))) || (((N <= 2147483647) && (i == 1)) && (1 <= N))) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((((((1 <= i) && (N <= 2147483647)) && (2 <= N)) || (((i == 0) && (N <= 2147483647)) && (2 <= N))) || ((N == 1) && (i == 1))) || ((i == 0) && (N == 1))) - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: ((((((1 <= i) && (N <= 2147483647)) && (2 <= N)) || (((i == 0) && (N <= 2147483647)) && (2 <= N))) || ((N == 1) && (i == 1))) || ((i == 0) && (N == 1))) RESULT: Ultimate proved your program to be correct! [2024-11-09 11:05:39,473 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