./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength.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/ldv-memsafety/ArraysOfVariableLength.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 eb589a592aff310a2662d7a22b89559cebd75929901bc5e2cc7816fe45d47c92 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:21:19,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:21:19,848 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:21:19,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:21:19,852 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:21:19,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:21:19,880 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:21:19,880 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:21:19,881 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:21:19,881 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:21:19,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:21:19,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:21:19,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:21:19,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:21:19,882 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:21:19,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:21:19,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:21:19,883 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:21:19,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:21:19,885 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:21:19,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:21:19,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:21:19,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:21:19,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:21:19,888 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:21:19,888 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:21:19,888 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:21:19,889 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:21:19,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:21:19,889 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:21:19,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:21:19,889 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:21:19,889 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:21:19,890 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:21:19,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:21:19,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:21:19,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:21:19,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:21:19,890 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:21:19,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:21:19,891 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:21:19,891 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:21:19,891 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:21:19,891 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:21:19,892 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb589a592aff310a2662d7a22b89559cebd75929901bc5e2cc7816fe45d47c92 [2024-11-09 11:21:20,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:21:20,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:21:20,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:21:20,124 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:21:20,124 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:21:20,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength.c [2024-11-09 11:21:21,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:21:21,600 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:21:21,601 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength.c [2024-11-09 11:21:21,606 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef052fc1a/1bf9dcfc092a4c0fbee088b0fc6d72d7/FLAGd61ae3ffe [2024-11-09 11:21:21,619 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef052fc1a/1bf9dcfc092a4c0fbee088b0fc6d72d7 [2024-11-09 11:21:21,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:21:21,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:21:21,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:21:21,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:21:21,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:21:21,630 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:21:21" (1/1) ... [2024-11-09 11:21:21,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c113a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:21, skipping insertion in model container [2024-11-09 11:21:21,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:21:21" (1/1) ... [2024-11-09 11:21:21,647 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:21:21,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:21:21,821 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:21:21,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:21:21,865 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:21:21,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:21 WrapperNode [2024-11-09 11:21:21,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:21:21,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:21:21,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:21:21,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:21:21,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:21" (1/1) ... [2024-11-09 11:21:21,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:21" (1/1) ... [2024-11-09 11:21:21,948 INFO L138 Inliner]: procedures = 8, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2024-11-09 11:21:21,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:21:21,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:21:21,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:21:21,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:21:21,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:21" (1/1) ... [2024-11-09 11:21:21,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:21" (1/1) ... [2024-11-09 11:21:21,961 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:21" (1/1) ... [2024-11-09 11:21:21,977 INFO L175 MemorySlicer]: Split 3 memory accesses to 1 slices as follows [3]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1]. [2024-11-09 11:21:21,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:21" (1/1) ... [2024-11-09 11:21:21,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:21" (1/1) ... [2024-11-09 11:21:21,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:21" (1/1) ... [2024-11-09 11:21:21,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:21" (1/1) ... [2024-11-09 11:21:21,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:21" (1/1) ... [2024-11-09 11:21:21,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:21" (1/1) ... [2024-11-09 11:21:21,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:21:21,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:21:21,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:21:21,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:21:21,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:21" (1/1) ... [2024-11-09 11:21:21,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:21:22,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:21:22,020 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 11:21:22,022 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 11:21:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 11:21:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:21:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:21:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 11:21:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 11:21:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 11:21:22,117 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:21:22,119 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:21:22,236 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 11:21:22,236 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:21:22,246 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:21:22,246 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-09 11:21:22,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:21:22 BoogieIcfgContainer [2024-11-09 11:21:22,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:21:22,251 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:21:22,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:21:22,255 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:21:22,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:21:21" (1/3) ... [2024-11-09 11:21:22,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0043da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:21:22, skipping insertion in model container [2024-11-09 11:21:22,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:21" (2/3) ... [2024-11-09 11:21:22,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0043da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:21:22, skipping insertion in model container [2024-11-09 11:21:22,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:21:22" (3/3) ... [2024-11-09 11:21:22,259 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength.c [2024-11-09 11:21:22,274 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:21:22,274 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-09 11:21:22,320 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:21:22,325 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;@1658bbfc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:21:22,326 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-09 11:21:22,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 28 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 11:21:22,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 11:21:22,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:21:22,334 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 11:21:22,335 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 11:21:22,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:21:22,340 INFO L85 PathProgramCache]: Analyzing trace with hash 889666572, now seen corresponding path program 1 times [2024-11-09 11:21:22,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:21:22,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143294810] [2024-11-09 11:21:22,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:21:22,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:21:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:21:22,611 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 11:21:22,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:21:22,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143294810] [2024-11-09 11:21:22,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143294810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:21:22,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:21:22,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:21:22,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418127141] [2024-11-09 11:21:22,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:21:22,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:21:22,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:21:22,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:21:22,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:21:22,646 INFO L87 Difference]: Start difference. First operand has 29 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 28 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) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:21:22,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:21:22,721 INFO L93 Difference]: Finished difference Result 64 states and 83 transitions. [2024-11-09 11:21:22,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:21:22,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 11:21:22,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:21:22,728 INFO L225 Difference]: With dead ends: 64 [2024-11-09 11:21:22,729 INFO L226 Difference]: Without dead ends: 32 [2024-11-09 11:21:22,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:21:22,734 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 6 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:21:22,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 62 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:21:22,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-09 11:21:22,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 26. [2024-11-09 11:21:22,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 20 states have (on average 1.4) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:21:22,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2024-11-09 11:21:22,761 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 6 [2024-11-09 11:21:22,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:21:22,761 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2024-11-09 11:21:22,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:21:22,762 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2024-11-09 11:21:22,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 11:21:22,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:21:22,762 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:21:22,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:21:22,762 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:21:22,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:21:22,763 INFO L85 PathProgramCache]: Analyzing trace with hash 269484748, now seen corresponding path program 1 times [2024-11-09 11:21:22,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:21:22,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820999520] [2024-11-09 11:21:22,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:21:22,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:21:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:21:22,842 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 11:21:22,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:21:22,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820999520] [2024-11-09 11:21:22,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820999520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:21:22,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:21:22,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:21:22,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875658844] [2024-11-09 11:21:22,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:21:22,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:21:22,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:21:22,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:21:22,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:21:22,845 INFO L87 Difference]: Start difference. First operand 26 states and 28 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 11:21:22,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:21:22,893 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2024-11-09 11:21:22,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:21:22,894 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 11:21:22,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:21:22,894 INFO L225 Difference]: With dead ends: 36 [2024-11-09 11:21:22,894 INFO L226 Difference]: Without dead ends: 34 [2024-11-09 11:21:22,895 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 11:21:22,896 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 3 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:21:22,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 47 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:21:22,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-09 11:21:22,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2024-11-09 11:21:22,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 25 states have (on average 1.32) internal successors, (33), 30 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:21:22,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2024-11-09 11:21:22,908 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 8 [2024-11-09 11:21:22,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:21:22,909 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2024-11-09 11:21:22,910 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 11:21:22,910 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2024-11-09 11:21:22,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 11:21:22,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:21:22,910 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:21:22,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:21:22,912 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:21:22,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:21:22,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1131599168, now seen corresponding path program 1 times [2024-11-09 11:21:22,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:21:22,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996480465] [2024-11-09 11:21:22,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:21:22,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:21:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:21:22,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:21:22,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:21:22,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996480465] [2024-11-09 11:21:22,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996480465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:21:22,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:21:22,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:21:22,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123974594] [2024-11-09 11:21:22,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:21:23,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:21:23,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:21:23,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:21:23,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:21:23,001 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 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 11:21:23,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:21:23,029 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2024-11-09 11:21:23,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:21:23,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 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 11:21:23,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:21:23,030 INFO L225 Difference]: With dead ends: 38 [2024-11-09 11:21:23,030 INFO L226 Difference]: Without dead ends: 36 [2024-11-09 11:21:23,031 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 11:21:23,032 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:21:23,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 54 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:21:23,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-09 11:21:23,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2024-11-09 11:21:23,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 34 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 11:21:23,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2024-11-09 11:21:23,043 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 13 [2024-11-09 11:21:23,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:21:23,043 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2024-11-09 11:21:23,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 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 11:21:23,044 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2024-11-09 11:21:23,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:21:23,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:21:23,045 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:21:23,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:21:23,046 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:21:23,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:21:23,046 INFO L85 PathProgramCache]: Analyzing trace with hash 804002367, now seen corresponding path program 1 times [2024-11-09 11:21:23,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:21:23,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311046692] [2024-11-09 11:21:23,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:21:23,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:21:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:21:23,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:21:23,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:21:23,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311046692] [2024-11-09 11:21:23,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311046692] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:21:23,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643868654] [2024-11-09 11:21:23,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:21:23,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:21:23,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:21:23,117 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 11:21:23,117 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 11:21:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:21:23,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:21:23,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:21:23,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:21:23,231 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:21:23,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:21:23,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643868654] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:21:23,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:21:23,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-09 11:21:23,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820745726] [2024-11-09 11:21:23,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:21:23,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:21:23,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:21:23,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:21:23,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:21:23,287 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:21:23,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:21:23,350 INFO L93 Difference]: Finished difference Result 64 states and 72 transitions. [2024-11-09 11:21:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:21:23,350 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-09 11:21:23,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:21:23,351 INFO L225 Difference]: With dead ends: 64 [2024-11-09 11:21:23,351 INFO L226 Difference]: Without dead ends: 55 [2024-11-09 11:21:23,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:21:23,352 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 25 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:21:23,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 86 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:21:23,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-09 11:21:23,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 50. [2024-11-09 11:21:23,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 49 states have internal predecessors, (58), 0 states have call successors, (0), 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 11:21:23,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2024-11-09 11:21:23,361 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 15 [2024-11-09 11:21:23,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:21:23,361 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2024-11-09 11:21:23,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:21:23,361 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2024-11-09 11:21:23,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:21:23,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:21:23,361 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 11:21:23,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:21:23,565 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 11:21:23,566 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:21:23,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:21:23,566 INFO L85 PathProgramCache]: Analyzing trace with hash 838475520, now seen corresponding path program 1 times [2024-11-09 11:21:23,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:21:23,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985986873] [2024-11-09 11:21:23,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:21:23,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:21:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:21:23,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:21:23,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:21:23,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985986873] [2024-11-09 11:21:23,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985986873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:21:23,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211537396] [2024-11-09 11:21:23,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:21:23,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:21:23,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:21:23,666 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 11:21:23,673 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 11:21:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:21:23,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:21:23,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:21:23,771 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:21:23,771 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:21:23,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:21:23,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211537396] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:21:23,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:21:23,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 10 [2024-11-09 11:21:23,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060199549] [2024-11-09 11:21:23,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:21:23,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:21:23,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:21:23,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:21:23,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:21:23,816 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 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 11:21:23,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:21:23,896 INFO L93 Difference]: Finished difference Result 84 states and 97 transitions. [2024-11-09 11:21:23,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:21:23,896 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 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) Word has length 15 [2024-11-09 11:21:23,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:21:23,897 INFO L225 Difference]: With dead ends: 84 [2024-11-09 11:21:23,897 INFO L226 Difference]: Without dead ends: 52 [2024-11-09 11:21:23,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:21:23,898 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 20 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:21:23,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 65 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:21:23,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-09 11:21:23,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 49. [2024-11-09 11:21:23,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 48 states have internal predecessors, (54), 0 states have call successors, (0), 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 11:21:23,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2024-11-09 11:21:23,902 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 15 [2024-11-09 11:21:23,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:21:23,902 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2024-11-09 11:21:23,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 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 11:21:23,902 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2024-11-09 11:21:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 11:21:23,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:21:23,903 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:21:23,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 11:21:24,103 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 11:21:24,104 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:21:24,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:21:24,105 INFO L85 PathProgramCache]: Analyzing trace with hash -140543044, now seen corresponding path program 1 times [2024-11-09 11:21:24,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:21:24,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990653607] [2024-11-09 11:21:24,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:21:24,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:21:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:21:24,182 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:21:24,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:21:24,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990653607] [2024-11-09 11:21:24,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990653607] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:21:24,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550590655] [2024-11-09 11:21:24,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:21:24,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:21:24,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:21:24,184 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 11:21:24,185 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 11:21:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:21:24,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:21:24,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:21:24,334 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:21:24,334 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:21:24,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:21:24,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550590655] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:21:24,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:21:24,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 15 [2024-11-09 11:21:24,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987362289] [2024-11-09 11:21:24,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:21:24,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 11:21:24,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:21:24,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 11:21:24,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:21:24,412 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:21:24,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:21:24,617 INFO L93 Difference]: Finished difference Result 83 states and 92 transitions. [2024-11-09 11:21:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:21:24,618 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-09 11:21:24,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:21:24,619 INFO L225 Difference]: With dead ends: 83 [2024-11-09 11:21:24,619 INFO L226 Difference]: Without dead ends: 48 [2024-11-09 11:21:24,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:21:24,620 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 16 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:21:24,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 102 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:21:24,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-09 11:21:24,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 45. [2024-11-09 11:21:24,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 41 states have (on average 1.146341463414634) internal successors, (47), 44 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:21:24,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2024-11-09 11:21:24,628 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 17 [2024-11-09 11:21:24,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:21:24,628 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2024-11-09 11:21:24,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:21:24,629 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2024-11-09 11:21:24,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 11:21:24,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:21:24,630 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-09 11:21:24,643 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 11:21:24,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:21:24,831 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:21:24,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:21:24,831 INFO L85 PathProgramCache]: Analyzing trace with hash -745131094, now seen corresponding path program 1 times [2024-11-09 11:21:24,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:21:24,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779176711] [2024-11-09 11:21:24,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:21:24,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:21:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:21:24,913 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 11:21:24,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:21:24,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779176711] [2024-11-09 11:21:24,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779176711] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:21:24,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381113316] [2024-11-09 11:21:24,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:21:24,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:21:24,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:21:24,917 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 11:21:24,919 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 11:21:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:21:24,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:21:24,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:21:25,001 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 11:21:25,001 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:21:25,039 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 11:21:25,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381113316] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:21:25,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:21:25,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-09 11:21:25,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483370705] [2024-11-09 11:21:25,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:21:25,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:21:25,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:21:25,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:21:25,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:21:25,042 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:21:25,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:21:25,090 INFO L93 Difference]: Finished difference Result 61 states and 68 transitions. [2024-11-09 11:21:25,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:21:25,091 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-09 11:21:25,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:21:25,092 INFO L225 Difference]: With dead ends: 61 [2024-11-09 11:21:25,092 INFO L226 Difference]: Without dead ends: 60 [2024-11-09 11:21:25,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:21:25,093 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 6 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:21:25,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 110 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:21:25,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-09 11:21:25,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2024-11-09 11:21:25,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 53 states have (on average 1.169811320754717) internal successors, (62), 56 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 11:21:25,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2024-11-09 11:21:25,099 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 62 transitions. Word has length 29 [2024-11-09 11:21:25,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:21:25,100 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 62 transitions. [2024-11-09 11:21:25,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:21:25,100 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2024-11-09 11:21:25,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 11:21:25,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:21:25,101 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-09 11:21:25,118 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 11:21:25,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:21:25,306 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:21:25,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:21:25,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1138935030, now seen corresponding path program 1 times [2024-11-09 11:21:25,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:21:25,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708989900] [2024-11-09 11:21:25,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:21:25,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:21:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:21:25,350 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:21:25,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:21:25,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708989900] [2024-11-09 11:21:25,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708989900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:21:25,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:21:25,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:21:25,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075456046] [2024-11-09 11:21:25,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:21:25,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:21:25,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:21:25,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:21:25,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:21:25,352 INFO L87 Difference]: Start difference. First operand 57 states and 62 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 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 11:21:25,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:21:25,375 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2024-11-09 11:21:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:21:25,376 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 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 31 [2024-11-09 11:21:25,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:21:25,376 INFO L225 Difference]: With dead ends: 58 [2024-11-09 11:21:25,376 INFO L226 Difference]: Without dead ends: 57 [2024-11-09 11:21:25,377 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 11:21:25,377 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:21:25,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 33 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:21:25,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-09 11:21:25,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2024-11-09 11:21:25,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 53 states have (on average 1.150943396226415) internal successors, (61), 55 states have internal predecessors, (61), 0 states have call successors, (0), 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 11:21:25,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2024-11-09 11:21:25,383 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 31 [2024-11-09 11:21:25,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:21:25,384 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2024-11-09 11:21:25,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 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 11:21:25,384 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2024-11-09 11:21:25,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 11:21:25,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:21:25,384 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:21:25,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 11:21:25,385 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:21:25,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:21:25,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1311504321, now seen corresponding path program 1 times [2024-11-09 11:21:25,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:21:25,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386000870] [2024-11-09 11:21:25,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:21:25,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:21:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:21:25,446 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 11:21:25,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:21:25,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386000870] [2024-11-09 11:21:25,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386000870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:21:25,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:21:25,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:21:25,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514906985] [2024-11-09 11:21:25,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:21:25,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:21:25,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:21:25,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:21:25,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:21:25,449 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:21:25,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:21:25,472 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions. [2024-11-09 11:21:25,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:21:25,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2024-11-09 11:21:25,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:21:25,473 INFO L225 Difference]: With dead ends: 63 [2024-11-09 11:21:25,474 INFO L226 Difference]: Without dead ends: 61 [2024-11-09 11:21:25,474 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 11:21:25,477 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 5 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:21:25,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 38 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:21:25,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-09 11:21:25,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-09 11:21:25,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 58 states have (on average 1.1379310344827587) internal successors, (66), 60 states have internal predecessors, (66), 0 states have call successors, (0), 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 11:21:25,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2024-11-09 11:21:25,484 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 37 [2024-11-09 11:21:25,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:21:25,484 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2024-11-09 11:21:25,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:21:25,485 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2024-11-09 11:21:25,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 11:21:25,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:21:25,485 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-09 11:21:25,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 11:21:25,485 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 11:21:25,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:21:25,486 INFO L85 PathProgramCache]: Analyzing trace with hash 909367990, now seen corresponding path program 2 times [2024-11-09 11:21:25,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:21:25,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904131216] [2024-11-09 11:21:25,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:21:25,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:21:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:21:25,647 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 11:21:25,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:21:25,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904131216] [2024-11-09 11:21:25,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904131216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:21:25,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793750811] [2024-11-09 11:21:25,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:21:25,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:21:25,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:21:25,650 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 11:21:25,651 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 11:21:25,703 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:21:25,703 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:21:25,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:21:25,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:21:25,746 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:21:25,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:21:25,799 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:21:25,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793750811] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:21:25,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:21:25,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 15 [2024-11-09 11:21:25,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268767795] [2024-11-09 11:21:25,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:21:25,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:21:25,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:21:25,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:21:25,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:21:25,801 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand has 16 states, 15 states have (on average 3.933333333333333) internal successors, (59), 16 states have internal predecessors, (59), 0 states have call successors, (0), 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 11:21:26,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:21:26,019 INFO L93 Difference]: Finished difference Result 85 states and 95 transitions. [2024-11-09 11:21:26,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 11:21:26,019 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.933333333333333) internal successors, (59), 16 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2024-11-09 11:21:26,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:21:26,020 INFO L225 Difference]: With dead ends: 85 [2024-11-09 11:21:26,020 INFO L226 Difference]: Without dead ends: 84 [2024-11-09 11:21:26,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=201, Invalid=729, Unknown=0, NotChecked=0, Total=930 [2024-11-09 11:21:26,021 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 20 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:21:26,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 66 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:21:26,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-09 11:21:26,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 45. [2024-11-09 11:21:26,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 44 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:21:26,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2024-11-09 11:21:26,025 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 41 [2024-11-09 11:21:26,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:21:26,025 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2024-11-09 11:21:26,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.933333333333333) internal successors, (59), 16 states have internal predecessors, (59), 0 states have call successors, (0), 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 11:21:26,025 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2024-11-09 11:21:26,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 11:21:26,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:21:26,026 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:21:26,039 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 11:21:26,226 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 11:21:26,227 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 11:21:26,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:21:26,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1780048101, now seen corresponding path program 1 times [2024-11-09 11:21:26,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:21:26,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105672853] [2024-11-09 11:21:26,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:21:26,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:21:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:21:26,381 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 11:21:26,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:21:26,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105672853] [2024-11-09 11:21:26,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105672853] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:21:26,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712360674] [2024-11-09 11:21:26,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:21:26,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:21:26,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:21:26,383 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 11:21:26,385 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 11:21:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:21:26,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 11:21:26,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:21:26,526 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 11:21:26,526 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:21:26,616 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 11:21:26,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712360674] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:21:26,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:21:26,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 18 [2024-11-09 11:21:26,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85277236] [2024-11-09 11:21:26,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:21:26,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 11:21:26,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:21:26,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 11:21:26,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:21:26,619 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand has 18 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 18 states have internal predecessors, (59), 0 states have call successors, (0), 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 11:21:26,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:21:26,778 INFO L93 Difference]: Finished difference Result 74 states and 79 transitions. [2024-11-09 11:21:26,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:21:26,779 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 18 states have internal predecessors, (59), 0 states have call successors, (0), 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 42 [2024-11-09 11:21:26,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:21:26,779 INFO L225 Difference]: With dead ends: 74 [2024-11-09 11:21:26,779 INFO L226 Difference]: Without dead ends: 50 [2024-11-09 11:21:26,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 71 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:21:26,780 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 15 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:21:26,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 116 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:21:26,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-09 11:21:26,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2024-11-09 11:21:26,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 48 states have internal predecessors, (51), 0 states have call successors, (0), 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 11:21:26,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2024-11-09 11:21:26,786 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 42 [2024-11-09 11:21:26,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:21:26,786 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2024-11-09 11:21:26,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 18 states have internal predecessors, (59), 0 states have call successors, (0), 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 11:21:26,786 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2024-11-09 11:21:26,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 11:21:26,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:21:26,790 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:21:26,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 11:21:26,990 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 11:21:26,991 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:21:26,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:21:26,991 INFO L85 PathProgramCache]: Analyzing trace with hash -985384863, now seen corresponding path program 2 times [2024-11-09 11:21:26,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:21:26,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925819445] [2024-11-09 11:21:26,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:21:26,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:21:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:21:27,163 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 11:21:27,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:21:27,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925819445] [2024-11-09 11:21:27,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925819445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:21:27,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180596473] [2024-11-09 11:21:27,163 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:21:27,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:21:27,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:21:27,165 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 11:21:27,166 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 11:21:27,224 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:21:27,224 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:21:27,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:21:27,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:21:27,270 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 11:21:27,270 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:21:27,358 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 11:21:27,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180596473] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:21:27,358 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:21:27,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 19 [2024-11-09 11:21:27,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920194179] [2024-11-09 11:21:27,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:21:27,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 11:21:27,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:21:27,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 11:21:27,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:21:27,359 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand has 19 states, 19 states have (on average 4.421052631578948) internal successors, (84), 19 states have internal predecessors, (84), 0 states have call successors, (0), 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 11:21:27,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:21:27,449 INFO L93 Difference]: Finished difference Result 122 states and 132 transitions. [2024-11-09 11:21:27,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 11:21:27,449 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.421052631578948) internal successors, (84), 19 states have internal predecessors, (84), 0 states have call successors, (0), 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 46 [2024-11-09 11:21:27,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:21:27,450 INFO L225 Difference]: With dead ends: 122 [2024-11-09 11:21:27,450 INFO L226 Difference]: Without dead ends: 109 [2024-11-09 11:21:27,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:21:27,450 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 27 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:21:27,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 85 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:21:27,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-09 11:21:27,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-09 11:21:27,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 107 states have (on average 1.074766355140187) internal successors, (115), 108 states have internal predecessors, (115), 0 states have call successors, (0), 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 11:21:27,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 115 transitions. [2024-11-09 11:21:27,458 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 115 transitions. Word has length 46 [2024-11-09 11:21:27,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:21:27,458 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 115 transitions. [2024-11-09 11:21:27,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.421052631578948) internal successors, (84), 19 states have internal predecessors, (84), 0 states have call successors, (0), 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 11:21:27,458 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 115 transitions. [2024-11-09 11:21:27,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 11:21:27,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:21:27,460 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:21:27,473 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 11:21:27,660 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 11:21:27,660 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 11:21:27,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:21:27,661 INFO L85 PathProgramCache]: Analyzing trace with hash 422353761, now seen corresponding path program 3 times [2024-11-09 11:21:27,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:21:27,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500085773] [2024-11-09 11:21:27,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:21:27,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:21:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:21:27,984 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 300 proven. 33 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-09 11:21:27,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:21:27,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500085773] [2024-11-09 11:21:27,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500085773] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:21:27,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693643381] [2024-11-09 11:21:27,984 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:21:27,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:21:27,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:21:27,986 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 11:21:27,988 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 11:21:28,059 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 11:21:28,060 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:21:28,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:21:28,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:21:28,108 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-09 11:21:28,108 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:21:28,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693643381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:21:28,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:21:28,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [14] total 17 [2024-11-09 11:21:28,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101373615] [2024-11-09 11:21:28,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:21:28,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:21:28,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:21:28,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:21:28,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:21:28,110 INFO L87 Difference]: Start difference. First operand 109 states and 115 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 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 11:21:28,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:21:28,148 INFO L93 Difference]: Finished difference Result 109 states and 115 transitions. [2024-11-09 11:21:28,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:21:28,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 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 106 [2024-11-09 11:21:28,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:21:28,150 INFO L225 Difference]: With dead ends: 109 [2024-11-09 11:21:28,150 INFO L226 Difference]: Without dead ends: 108 [2024-11-09 11:21:28,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:21:28,151 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 5 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:21:28,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 31 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:21:28,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-09 11:21:28,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-09 11:21:28,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.0654205607476634) internal successors, (114), 107 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:21:28,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 114 transitions. [2024-11-09 11:21:28,163 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 114 transitions. Word has length 106 [2024-11-09 11:21:28,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:21:28,164 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 114 transitions. [2024-11-09 11:21:28,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 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 11:21:28,164 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 114 transitions. [2024-11-09 11:21:28,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 11:21:28,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:21:28,165 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:21:28,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:21:28,365 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 11:21:28,366 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 11:21:28,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:21:28,367 INFO L85 PathProgramCache]: Analyzing trace with hash 208064794, now seen corresponding path program 1 times [2024-11-09 11:21:28,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:21:28,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876505365] [2024-11-09 11:21:28,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:21:28,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:21:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:21:28,458 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2024-11-09 11:21:28,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:21:28,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876505365] [2024-11-09 11:21:28,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876505365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:21:28,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:21:28,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:21:28,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714291339] [2024-11-09 11:21:28,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:21:28,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:21:28,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:21:28,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:21:28,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:21:28,459 INFO L87 Difference]: Start difference. First operand 108 states and 114 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 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 11:21:28,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:21:28,495 INFO L93 Difference]: Finished difference Result 108 states and 114 transitions. [2024-11-09 11:21:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:21:28,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 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 107 [2024-11-09 11:21:28,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:21:28,496 INFO L225 Difference]: With dead ends: 108 [2024-11-09 11:21:28,496 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 11:21:28,497 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 11:21:28,498 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 8 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:21:28,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 25 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:21:28,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 11:21:28,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 11:21:28,499 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 11:21:28,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 11:21:28,499 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 107 [2024-11-09 11:21:28,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:21:28,499 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 11:21:28,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 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 11:21:28,500 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 11:21:28,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 11:21:28,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-09 11:21:28,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-09 11:21:28,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-09 11:21:28,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-09 11:21:28,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-09 11:21:28,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-09 11:21:28,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 11:21:28,508 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:21:28,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 11:21:28,808 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 11:21:28,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:21:28 BoogieIcfgContainer [2024-11-09 11:21:28,820 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 11:21:28,820 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 11:21:28,820 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 11:21:28,820 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 11:21:28,821 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:21:22" (3/4) ... [2024-11-09 11:21:28,822 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 11:21:28,827 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-09 11:21:28,828 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 11:21:28,828 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 11:21:28,828 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 11:21:28,899 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 11:21:28,899 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 11:21:28,899 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 11:21:28,899 INFO L158 Benchmark]: Toolchain (without parser) took 7276.94ms. Allocated memory was 153.1MB in the beginning and 262.1MB in the end (delta: 109.1MB). Free memory was 99.4MB in the beginning and 105.3MB in the end (delta: -6.0MB). Peak memory consumption was 103.0MB. Max. memory is 16.1GB. [2024-11-09 11:21:28,899 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 96.5MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 11:21:28,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.15ms. Allocated memory is still 153.1MB. Free memory was 98.9MB in the beginning and 125.4MB in the end (delta: -26.5MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-11-09 11:21:28,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.40ms. Allocated memory is still 153.1MB. Free memory was 125.4MB in the beginning and 124.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 11:21:28,900 INFO L158 Benchmark]: Boogie Preprocessor took 39.39ms. Allocated memory is still 153.1MB. Free memory was 124.4MB in the beginning and 122.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 11:21:28,900 INFO L158 Benchmark]: RCFGBuilder took 259.54ms. Allocated memory is still 153.1MB. Free memory was 122.3MB in the beginning and 110.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 11:21:28,900 INFO L158 Benchmark]: TraceAbstraction took 6568.09ms. Allocated memory was 153.1MB in the beginning and 262.1MB in the end (delta: 109.1MB). Free memory was 110.3MB in the beginning and 110.6MB in the end (delta: -246.5kB). Peak memory consumption was 110.2MB. Max. memory is 16.1GB. [2024-11-09 11:21:28,900 INFO L158 Benchmark]: Witness Printer took 79.04ms. Allocated memory is still 262.1MB. Free memory was 110.6MB in the beginning and 105.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 11:21:28,902 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 96.5MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.15ms. Allocated memory is still 153.1MB. Free memory was 98.9MB in the beginning and 125.4MB in the end (delta: -26.5MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.40ms. Allocated memory is still 153.1MB. Free memory was 125.4MB in the beginning and 124.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.39ms. Allocated memory is still 153.1MB. Free memory was 124.4MB in the beginning and 122.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 259.54ms. Allocated memory is still 153.1MB. Free memory was 122.3MB in the beginning and 110.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6568.09ms. Allocated memory was 153.1MB in the beginning and 262.1MB in the end (delta: 109.1MB). Free memory was 110.3MB in the beginning and 110.6MB in the end (delta: -246.5kB). Peak memory consumption was 110.2MB. Max. memory is 16.1GB. * Witness Printer took 79.04ms. Allocated memory is still 262.1MB. Free memory was 110.6MB in the beginning and 105.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: 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, 29 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 14, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 161 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 161 mSDsluCounter, 920 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 710 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1172 IncrementalHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 210 mSDtfsCounter, 1172 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 614 GetRequests, 461 SyntacticMatches, 11 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=12, InterpolantAutomatonStates: 122, 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, 65 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 824 NumberOfCodeBlocks, 704 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1000 ConstructedInterpolants, 0 QuantifiedInterpolants, 2052 SizeOfPredicates, 8 NumberOfNonLiveVariables, 828 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 29 InterpolantComputations, 7 PerfectInterpolantSequences, 1768/2057 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((i == 0) || (i == 1)) || (1 < i)) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ((((((i == 0) && (size == 0)) && (i == 0)) || (((i == 1) && (i == 1)) && (size == 1))) || ((((size <= 99) && (i == 0)) && (1 <= size)) && (i == size))) || (((((i <= 2147483646) && (2 <= i)) && (size <= 99)) && (i <= 99)) && (1 <= i))) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (0 < (2147483649 + i)) RESULT: Ultimate proved your program to be correct! [2024-11-09 11:21:28,922 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