./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.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 eb7e704db84b45f8c7f1cb386fc610e1107f57c6e67c0a3b2af510d7426cfd4f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 20:06:07,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 20:06:07,881 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 20:06:07,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 20:06:07,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 20:06:07,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 20:06:07,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 20:06:07,918 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 20:06:07,919 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 20:06:07,921 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 20:06:07,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 20:06:07,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 20:06:07,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 20:06:07,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 20:06:07,924 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 20:06:07,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 20:06:07,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 20:06:07,925 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 20:06:07,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 20:06:07,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 20:06:07,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 20:06:07,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 20:06:07,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 20:06:07,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 20:06:07,926 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 20:06:07,926 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 20:06:07,927 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 20:06:07,927 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 20:06:07,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 20:06:07,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 20:06:07,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 20:06:07,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 20:06:07,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 20:06:07,930 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 20:06:07,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:06:07,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 20:06:07,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 20:06:07,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 20:06:07,931 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 20:06:07,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 20:06:07,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 20:06:07,932 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 20:06:07,932 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 20:06:07,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 20:06:07,932 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb7e704db84b45f8c7f1cb386fc610e1107f57c6e67c0a3b2af510d7426cfd4f [2024-10-24 20:06:08,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 20:06:08,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 20:06:08,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 20:06:08,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 20:06:08,191 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 20:06:08,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c [2024-10-24 20:06:09,590 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 20:06:09,747 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 20:06:09,748 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c [2024-10-24 20:06:09,757 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35d9b0733/0f771e943f52435081bfb5b6178eaa5d/FLAG3c80e0f18 [2024-10-24 20:06:10,142 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35d9b0733/0f771e943f52435081bfb5b6178eaa5d [2024-10-24 20:06:10,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 20:06:10,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 20:06:10,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 20:06:10,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 20:06:10,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 20:06:10,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:06:10" (1/1) ... [2024-10-24 20:06:10,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f447da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:06:10, skipping insertion in model container [2024-10-24 20:06:10,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:06:10" (1/1) ... [2024-10-24 20:06:10,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 20:06:10,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:06:10,366 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 20:06:10,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:06:10,429 INFO L204 MainTranslator]: Completed translation [2024-10-24 20:06:10,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:06:10 WrapperNode [2024-10-24 20:06:10,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 20:06:10,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 20:06:10,435 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 20:06:10,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 20:06:10,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:06:10" (1/1) ... [2024-10-24 20:06:10,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:06:10" (1/1) ... [2024-10-24 20:06:10,489 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-10-24 20:06:10,490 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 20:06:10,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 20:06:10,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 20:06:10,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 20:06:10,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:06:10" (1/1) ... [2024-10-24 20:06:10,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:06:10" (1/1) ... [2024-10-24 20:06:10,502 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:06:10" (1/1) ... [2024-10-24 20:06:10,513 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 20:06:10,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:06:10" (1/1) ... [2024-10-24 20:06:10,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:06:10" (1/1) ... [2024-10-24 20:06:10,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:06:10" (1/1) ... [2024-10-24 20:06:10,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:06:10" (1/1) ... [2024-10-24 20:06:10,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:06:10" (1/1) ... [2024-10-24 20:06:10,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:06:10" (1/1) ... [2024-10-24 20:06:10,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 20:06:10,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 20:06:10,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 20:06:10,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 20:06:10,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:06:10" (1/1) ... [2024-10-24 20:06:10,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:06:10,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:06:10,555 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) [2024-10-24 20:06:10,561 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 [2024-10-24 20:06:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 20:06:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 20:06:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 20:06:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 20:06:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 20:06:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 20:06:10,647 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 20:06:10,648 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 20:06:10,845 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-10-24 20:06:10,846 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 20:06:10,877 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 20:06:10,877 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-24 20:06:10,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:06:10 BoogieIcfgContainer [2024-10-24 20:06:10,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 20:06:10,886 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 20:06:10,886 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 20:06:10,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 20:06:10,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:06:10" (1/3) ... [2024-10-24 20:06:10,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cfafd5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:06:10, skipping insertion in model container [2024-10-24 20:06:10,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:06:10" (2/3) ... [2024-10-24 20:06:10,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cfafd5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:06:10, skipping insertion in model container [2024-10-24 20:06:10,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:06:10" (3/3) ... [2024-10-24 20:06:10,894 INFO L112 eAbstractionObserver]: Analyzing ICFG dijkstra-u_unwindbound5.c [2024-10-24 20:06:10,913 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 20:06:10,913 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-24 20:06:10,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 20:06:10,986 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;@484a603c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 20:06:10,988 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-24 20:06:10,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 22 states have internal predecessors, (31), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 20:06:10,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-24 20:06:11,000 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:06:11,000 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-24 20:06:11,001 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 20:06:11,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:06:11,007 INFO L85 PathProgramCache]: Analyzing trace with hash 123909867, now seen corresponding path program 1 times [2024-10-24 20:06:11,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:06:11,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719635896] [2024-10-24 20:06:11,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:11,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:06:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:11,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:06:11,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:06:11,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719635896] [2024-10-24 20:06:11,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719635896] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:06:11,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:06:11,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:06:11,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986345676] [2024-10-24 20:06:11,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:06:11,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 20:06:11,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:06:11,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 20:06:11,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:06:11,185 INFO L87 Difference]: Start difference. First operand has 33 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 22 states have internal predecessors, (31), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:06:11,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:06:11,216 INFO L93 Difference]: Finished difference Result 64 states and 104 transitions. [2024-10-24 20:06:11,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 20:06:11,218 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-24 20:06:11,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:06:11,223 INFO L225 Difference]: With dead ends: 64 [2024-10-24 20:06:11,223 INFO L226 Difference]: Without dead ends: 28 [2024-10-24 20:06:11,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:06:11,231 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:06:11,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:06:11,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-10-24 20:06:11,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-10-24 20:06:11,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 17 states have (on average 1.411764705882353) internal successors, (24), 20 states have internal predecessors, (24), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 20:06:11,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2024-10-24 20:06:11,261 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 5 [2024-10-24 20:06:11,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:06:11,262 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2024-10-24 20:06:11,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:06:11,262 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-10-24 20:06:11,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-24 20:06:11,262 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:06:11,262 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-24 20:06:11,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 20:06:11,263 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 20:06:11,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:06:11,263 INFO L85 PathProgramCache]: Analyzing trace with hash 123969449, now seen corresponding path program 1 times [2024-10-24 20:06:11,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:06:11,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066923863] [2024-10-24 20:06:11,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:11,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:06:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:11,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:06:11,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:06:11,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066923863] [2024-10-24 20:06:11,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066923863] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:06:11,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:06:11,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:06:11,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290575791] [2024-10-24 20:06:11,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:06:11,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:06:11,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:06:11,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:06:11,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:06:11,372 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:06:11,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:06:11,443 INFO L93 Difference]: Finished difference Result 52 states and 67 transitions. [2024-10-24 20:06:11,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:06:11,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-24 20:06:11,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:06:11,445 INFO L225 Difference]: With dead ends: 52 [2024-10-24 20:06:11,445 INFO L226 Difference]: Without dead ends: 32 [2024-10-24 20:06:11,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:06:11,447 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 4 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:06:11,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 87 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:06:11,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-10-24 20:06:11,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-10-24 20:06:11,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 24 states have internal predecessors, (28), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 20:06:11,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2024-10-24 20:06:11,455 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 40 transitions. Word has length 5 [2024-10-24 20:06:11,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:06:11,455 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 40 transitions. [2024-10-24 20:06:11,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:06:11,456 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-10-24 20:06:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-24 20:06:11,456 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:06:11,457 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:06:11,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 20:06:11,457 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 20:06:11,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:06:11,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1809310676, now seen corresponding path program 1 times [2024-10-24 20:06:11,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:06:11,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921632268] [2024-10-24 20:06:11,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:11,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:06:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:11,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:06:11,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:06:11,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921632268] [2024-10-24 20:06:11,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921632268] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:06:11,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:06:11,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 20:06:11,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289704692] [2024-10-24 20:06:11,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:06:11,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:06:11,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:06:11,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:06:11,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:06:11,658 INFO L87 Difference]: Start difference. First operand 32 states and 40 transitions. Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:06:11,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:06:11,874 INFO L93 Difference]: Finished difference Result 56 states and 71 transitions. [2024-10-24 20:06:11,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:06:11,875 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-24 20:06:11,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:06:11,876 INFO L225 Difference]: With dead ends: 56 [2024-10-24 20:06:11,876 INFO L226 Difference]: Without dead ends: 55 [2024-10-24 20:06:11,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:06:11,878 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 31 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:06:11,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 121 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:06:11,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-10-24 20:06:11,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2024-10-24 20:06:11,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 34 states have internal predecessors, (41), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:06:11,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 65 transitions. [2024-10-24 20:06:11,891 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 65 transitions. Word has length 10 [2024-10-24 20:06:11,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:06:11,893 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 65 transitions. [2024-10-24 20:06:11,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:06:11,893 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2024-10-24 20:06:11,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-24 20:06:11,894 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:06:11,894 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:06:11,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 20:06:11,895 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 20:06:11,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:06:11,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1809309426, now seen corresponding path program 1 times [2024-10-24 20:06:11,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:06:11,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392594432] [2024-10-24 20:06:11,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:11,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:06:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:12,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:06:12,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:06:12,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392594432] [2024-10-24 20:06:12,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392594432] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:06:12,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719023871] [2024-10-24 20:06:12,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:12,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:12,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:06:12,043 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) [2024-10-24 20:06:12,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 20:06:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:12,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:06:12,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:06:12,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:06:12,181 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:06:12,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719023871] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:06:12,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:06:12,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 9 [2024-10-24 20:06:12,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330215629] [2024-10-24 20:06:12,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:06:12,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:06:12,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:06:12,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:06:12,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:06:12,184 INFO L87 Difference]: Start difference. First operand 49 states and 65 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:06:12,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:06:12,233 INFO L93 Difference]: Finished difference Result 57 states and 74 transitions. [2024-10-24 20:06:12,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:06:12,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-24 20:06:12,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:06:12,236 INFO L225 Difference]: With dead ends: 57 [2024-10-24 20:06:12,237 INFO L226 Difference]: Without dead ends: 56 [2024-10-24 20:06:12,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:06:12,239 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 13 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:06:12,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 103 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:06:12,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-24 20:06:12,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 48. [2024-10-24 20:06:12,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 33 states have internal predecessors, (40), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:06:12,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 64 transitions. [2024-10-24 20:06:12,253 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 64 transitions. Word has length 10 [2024-10-24 20:06:12,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:06:12,254 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 64 transitions. [2024-10-24 20:06:12,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:06:12,254 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2024-10-24 20:06:12,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-24 20:06:12,255 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:06:12,255 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:06:12,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 20:06:12,459 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 [2024-10-24 20:06:12,460 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 20:06:12,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:06:12,461 INFO L85 PathProgramCache]: Analyzing trace with hash -254056039, now seen corresponding path program 1 times [2024-10-24 20:06:12,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:06:12,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651005535] [2024-10-24 20:06:12,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:12,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:06:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:12,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:06:12,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:06:12,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651005535] [2024-10-24 20:06:12,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651005535] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:06:12,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:06:12,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 20:06:12,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427742771] [2024-10-24 20:06:12,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:06:12,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:06:12,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:06:12,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:06:12,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:06:12,539 INFO L87 Difference]: Start difference. First operand 48 states and 64 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:06:12,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:06:12,610 INFO L93 Difference]: Finished difference Result 57 states and 73 transitions. [2024-10-24 20:06:12,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 20:06:12,611 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-24 20:06:12,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:06:12,613 INFO L225 Difference]: With dead ends: 57 [2024-10-24 20:06:12,614 INFO L226 Difference]: Without dead ends: 56 [2024-10-24 20:06:12,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-24 20:06:12,616 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 12 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:06:12,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 109 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:06:12,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-24 20:06:12,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 51. [2024-10-24 20:06:12,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 36 states have internal predecessors, (43), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:06:12,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 67 transitions. [2024-10-24 20:06:12,634 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 67 transitions. Word has length 11 [2024-10-24 20:06:12,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:06:12,635 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 67 transitions. [2024-10-24 20:06:12,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:06:12,635 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2024-10-24 20:06:12,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-24 20:06:12,635 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:06:12,635 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:06:12,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 20:06:12,636 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 20:06:12,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:06:12,636 INFO L85 PathProgramCache]: Analyzing trace with hash -254017310, now seen corresponding path program 1 times [2024-10-24 20:06:12,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:06:12,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914547224] [2024-10-24 20:06:12,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:12,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:06:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:12,768 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:06:12,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:06:12,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914547224] [2024-10-24 20:06:12,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914547224] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:06:12,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650614129] [2024-10-24 20:06:12,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:12,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:12,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:06:12,771 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) [2024-10-24 20:06:12,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 20:06:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:12,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:06:12,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:06:12,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:06:12,859 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:06:12,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650614129] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:06:12,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:06:12,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 9 [2024-10-24 20:06:12,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036594558] [2024-10-24 20:06:12,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:06:12,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:06:12,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:06:12,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:06:12,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:06:12,861 INFO L87 Difference]: Start difference. First operand 51 states and 67 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:06:12,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:06:12,915 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2024-10-24 20:06:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:06:12,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-24 20:06:12,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:06:12,916 INFO L225 Difference]: With dead ends: 56 [2024-10-24 20:06:12,916 INFO L226 Difference]: Without dead ends: 55 [2024-10-24 20:06:12,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:06:12,917 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 11 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:06:12,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 108 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:06:12,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-10-24 20:06:12,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 50. [2024-10-24 20:06:12,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 35 states have internal predecessors, (42), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:06:12,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 66 transitions. [2024-10-24 20:06:12,932 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 66 transitions. Word has length 11 [2024-10-24 20:06:12,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:06:12,933 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 66 transitions. [2024-10-24 20:06:12,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:06:12,934 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2024-10-24 20:06:12,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-24 20:06:12,934 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:06:12,934 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:06:12,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 20:06:13,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-24 20:06:13,139 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 20:06:13,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:06:13,140 INFO L85 PathProgramCache]: Analyzing trace with hash 302744435, now seen corresponding path program 1 times [2024-10-24 20:06:13,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:06:13,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115851151] [2024-10-24 20:06:13,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:13,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:06:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:13,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:06:13,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:06:13,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115851151] [2024-10-24 20:06:13,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115851151] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:06:13,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541881707] [2024-10-24 20:06:13,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:13,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:13,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:06:13,245 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) [2024-10-24 20:06:13,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 20:06:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:13,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:06:13,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:06:13,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:06:13,319 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:06:13,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:06:13,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541881707] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:06:13,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:06:13,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-10-24 20:06:13,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25985905] [2024-10-24 20:06:13,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:06:13,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 20:06:13,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:06:13,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 20:06:13,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-24 20:06:13,383 INFO L87 Difference]: Start difference. First operand 50 states and 66 transitions. Second operand has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 12 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) [2024-10-24 20:06:13,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:06:13,510 INFO L93 Difference]: Finished difference Result 92 states and 119 transitions. [2024-10-24 20:06:13,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 20:06:13,513 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 12 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-24 20:06:13,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:06:13,514 INFO L225 Difference]: With dead ends: 92 [2024-10-24 20:06:13,514 INFO L226 Difference]: Without dead ends: 74 [2024-10-24 20:06:13,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-10-24 20:06:13,515 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 36 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:06:13,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 141 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:06:13,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-10-24 20:06:13,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 64. [2024-10-24 20:06:13,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 49 states have internal predecessors, (58), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 20:06:13,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 82 transitions. [2024-10-24 20:06:13,529 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 82 transitions. Word has length 14 [2024-10-24 20:06:13,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:06:13,529 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 82 transitions. [2024-10-24 20:06:13,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 12 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) [2024-10-24 20:06:13,530 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2024-10-24 20:06:13,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-24 20:06:13,530 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:06:13,531 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:06:13,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-24 20:06:13,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:13,735 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 20:06:13,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:06:13,735 INFO L85 PathProgramCache]: Analyzing trace with hash 795193831, now seen corresponding path program 1 times [2024-10-24 20:06:13,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:06:13,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835230495] [2024-10-24 20:06:13,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:13,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:06:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:13,838 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:06:13,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:06:13,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835230495] [2024-10-24 20:06:13,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835230495] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:06:13,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454896614] [2024-10-24 20:06:13,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:13,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:13,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:06:13,842 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) [2024-10-24 20:06:13,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 20:06:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:13,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 20:06:13,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:06:13,956 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:06:13,957 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:06:13,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454896614] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:06:13,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:06:13,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 13 [2024-10-24 20:06:13,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822018973] [2024-10-24 20:06:13,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:06:13,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:06:13,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:06:13,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:06:13,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-10-24 20:06:13,960 INFO L87 Difference]: Start difference. First operand 64 states and 82 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:06:14,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:06:14,039 INFO L93 Difference]: Finished difference Result 64 states and 82 transitions. [2024-10-24 20:06:14,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:06:14,040 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-10-24 20:06:14,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:06:14,041 INFO L225 Difference]: With dead ends: 64 [2024-10-24 20:06:14,041 INFO L226 Difference]: Without dead ends: 63 [2024-10-24 20:06:14,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:06:14,042 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 47 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:06:14,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 66 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:06:14,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-10-24 20:06:14,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 47. [2024-10-24 20:06:14,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 39 states have internal predecessors, (46), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 20:06:14,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2024-10-24 20:06:14,051 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 15 [2024-10-24 20:06:14,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:06:14,051 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions. [2024-10-24 20:06:14,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:06:14,052 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2024-10-24 20:06:14,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-24 20:06:14,052 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:06:14,053 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:06:14,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 20:06:14,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:14,257 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 20:06:14,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:06:14,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1118794946, now seen corresponding path program 1 times [2024-10-24 20:06:14,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:06:14,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470956910] [2024-10-24 20:06:14,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:14,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:06:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:14,350 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:06:14,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:06:14,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470956910] [2024-10-24 20:06:14,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470956910] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:06:14,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093690711] [2024-10-24 20:06:14,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:14,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:14,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:06:14,353 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) [2024-10-24 20:06:14,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 20:06:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:14,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 20:06:14,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:06:14,469 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:06:14,469 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:06:14,552 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:06:14,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093690711] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:06:14,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:06:14,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 18 [2024-10-24 20:06:14,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120113110] [2024-10-24 20:06:14,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:06:14,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-24 20:06:14,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:06:14,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-24 20:06:14,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2024-10-24 20:06:14,555 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand has 19 states, 18 states have (on average 2.388888888888889) internal successors, (43), 19 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:06:15,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:06:15,112 INFO L93 Difference]: Finished difference Result 86 states and 112 transitions. [2024-10-24 20:06:15,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-24 20:06:15,112 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 2.388888888888889) internal successors, (43), 19 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-10-24 20:06:15,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:06:15,113 INFO L225 Difference]: With dead ends: 86 [2024-10-24 20:06:15,113 INFO L226 Difference]: Without dead ends: 85 [2024-10-24 20:06:15,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=259, Invalid=733, Unknown=0, NotChecked=0, Total=992 [2024-10-24 20:06:15,115 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 92 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:06:15,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 237 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:06:15,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-10-24 20:06:15,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 79. [2024-10-24 20:06:15,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 57 states have (on average 1.1578947368421053) internal successors, (66), 57 states have internal predecessors, (66), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 20:06:15,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 102 transitions. [2024-10-24 20:06:15,126 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 102 transitions. Word has length 16 [2024-10-24 20:06:15,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:06:15,126 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 102 transitions. [2024-10-24 20:06:15,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 2.388888888888889) internal successors, (43), 19 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:06:15,126 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2024-10-24 20:06:15,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 20:06:15,129 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:06:15,129 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-24 20:06:15,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-24 20:06:15,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:15,334 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 20:06:15,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:06:15,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1351280755, now seen corresponding path program 1 times [2024-10-24 20:06:15,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:06:15,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175751411] [2024-10-24 20:06:15,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:15,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:06:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 20:06:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:06:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 20:06:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:06:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 20:06:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 20:06:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 20:06:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 20:06:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 20:06:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 20:06:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 20:06:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 20:06:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,802 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-24 20:06:15,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:06:15,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175751411] [2024-10-24 20:06:15,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175751411] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:06:15,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365943172] [2024-10-24 20:06:15,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:15,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:15,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:06:15,807 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) [2024-10-24 20:06:15,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 20:06:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:15,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-24 20:06:15,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:06:16,183 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 6 proven. 171 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-10-24 20:06:16,183 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:06:16,531 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-24 20:06:16,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365943172] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:06:16,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:06:16,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 35 [2024-10-24 20:06:16,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733649896] [2024-10-24 20:06:16,532 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:06:16,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-10-24 20:06:16,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:06:16,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-10-24 20:06:16,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=994, Unknown=0, NotChecked=0, Total=1260 [2024-10-24 20:06:16,535 INFO L87 Difference]: Start difference. First operand 79 states and 102 transitions. Second operand has 36 states, 35 states have (on average 2.942857142857143) internal successors, (103), 36 states have internal predecessors, (103), 6 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 6 states have call predecessors, (36), 6 states have call successors, (36) [2024-10-24 20:06:20,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:06:24,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:06:29,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 20:06:33,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 20:06:33,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:06:33,816 INFO L93 Difference]: Finished difference Result 252 states and 341 transitions. [2024-10-24 20:06:33,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-24 20:06:33,816 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 2.942857142857143) internal successors, (103), 36 states have internal predecessors, (103), 6 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 6 states have call predecessors, (36), 6 states have call successors, (36) Word has length 93 [2024-10-24 20:06:33,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:06:33,819 INFO L225 Difference]: With dead ends: 252 [2024-10-24 20:06:33,819 INFO L226 Difference]: Without dead ends: 251 [2024-10-24 20:06:33,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 813 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=945, Invalid=2961, Unknown=0, NotChecked=0, Total=3906 [2024-10-24 20:06:33,823 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 228 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 48 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2024-10-24 20:06:33,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 244 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 304 Invalid, 4 Unknown, 0 Unchecked, 16.7s Time] [2024-10-24 20:06:33,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-10-24 20:06:33,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 175. [2024-10-24 20:06:33,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 111 states have (on average 1.135135135135135) internal successors, (126), 111 states have internal predecessors, (126), 54 states have call successors, (54), 9 states have call predecessors, (54), 9 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-24 20:06:33,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 234 transitions. [2024-10-24 20:06:33,866 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 234 transitions. Word has length 93 [2024-10-24 20:06:33,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:06:33,866 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 234 transitions. [2024-10-24 20:06:33,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 2.942857142857143) internal successors, (103), 36 states have internal predecessors, (103), 6 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 6 states have call predecessors, (36), 6 states have call successors, (36) [2024-10-24 20:06:33,867 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 234 transitions. [2024-10-24 20:06:33,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-10-24 20:06:33,874 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:06:33,874 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1] [2024-10-24 20:06:33,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-24 20:06:34,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:34,079 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 20:06:34,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:06:34,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1532411315, now seen corresponding path program 1 times [2024-10-24 20:06:34,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:06:34,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738374632] [2024-10-24 20:06:34,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:34,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:06:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 20:06:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 20:06:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 20:06:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 20:06:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 20:06:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 20:06:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 20:06:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 20:06:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 20:06:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 20:06:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 20:06:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 20:06:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 20:06:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 20:06:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 20:06:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 20:06:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 20:06:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 20:06:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 20:06:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 20:06:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 20:06:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 20:06:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 20:06:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 20:06:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 20:06:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 20:06:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 20:06:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 20:06:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 20:06:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 20:06:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 20:06:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 20:06:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 20:06:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 20:06:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 20:06:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 20:06:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2764 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2718 trivial. 0 not checked. [2024-10-24 20:06:34,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:06:34,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738374632] [2024-10-24 20:06:34,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738374632] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:06:34,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649572667] [2024-10-24 20:06:34,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:34,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:34,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:06:34,763 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) [2024-10-24 20:06:34,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 20:06:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:34,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 20:06:34,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:06:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2764 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2718 trivial. 0 not checked. [2024-10-24 20:06:35,038 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:06:35,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2764 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2718 trivial. 0 not checked. [2024-10-24 20:06:35,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649572667] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:06:35,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:06:35,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 12] total 15 [2024-10-24 20:06:35,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567362719] [2024-10-24 20:06:35,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:06:35,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 20:06:35,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:06:35,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 20:06:35,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2024-10-24 20:06:35,359 INFO L87 Difference]: Start difference. First operand 175 states and 234 transitions. Second operand has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 1 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-24 20:06:35,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:06:35,572 INFO L93 Difference]: Finished difference Result 289 states and 386 transitions. [2024-10-24 20:06:35,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 20:06:35,573 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 1 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 246 [2024-10-24 20:06:35,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:06:35,575 INFO L225 Difference]: With dead ends: 289 [2024-10-24 20:06:35,575 INFO L226 Difference]: Without dead ends: 189 [2024-10-24 20:06:35,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 551 SyntacticMatches, 10 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=340, Unknown=0, NotChecked=0, Total=506 [2024-10-24 20:06:35,577 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 39 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:06:35,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 184 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:06:35,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-10-24 20:06:35,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 180. [2024-10-24 20:06:35,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 116 states have (on average 1.1379310344827587) internal successors, (132), 116 states have internal predecessors, (132), 54 states have call successors, (54), 9 states have call predecessors, (54), 9 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-24 20:06:35,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 240 transitions. [2024-10-24 20:06:35,601 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 240 transitions. Word has length 246 [2024-10-24 20:06:35,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:06:35,601 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 240 transitions. [2024-10-24 20:06:35,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 1 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-24 20:06:35,601 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 240 transitions. [2024-10-24 20:06:35,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-10-24 20:06:35,607 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:06:35,608 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1, 1] [2024-10-24 20:06:35,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-24 20:06:35,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:35,809 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 20:06:35,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:06:35,810 INFO L85 PathProgramCache]: Analyzing trace with hash -939467026, now seen corresponding path program 2 times [2024-10-24 20:06:35,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:06:35,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087210469] [2024-10-24 20:06:35,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:35,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:06:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 20:06:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 20:06:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 20:06:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 20:06:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 20:06:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 20:06:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 20:06:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 20:06:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 20:06:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 20:06:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 20:06:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 20:06:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 20:06:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 20:06:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 20:06:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 20:06:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 20:06:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 20:06:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 20:06:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 20:06:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 20:06:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 20:06:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 20:06:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 20:06:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 20:06:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 20:06:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 20:06:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-24 20:06:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 20:06:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 20:06:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 20:06:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 20:06:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 20:06:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 20:06:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 20:06:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 20:06:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:36,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2788 backedges. 188 proven. 4 refuted. 0 times theorem prover too weak. 2596 trivial. 0 not checked. [2024-10-24 20:06:36,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:06:36,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087210469] [2024-10-24 20:06:36,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087210469] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:06:36,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475542363] [2024-10-24 20:06:36,480 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:06:36,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:36,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:06:36,482 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) [2024-10-24 20:06:36,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 20:06:36,615 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:06:36,615 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:06:36,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:06:36,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:06:36,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2788 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 2760 trivial. 0 not checked. [2024-10-24 20:06:36,651 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:06:36,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475542363] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:06:36,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:06:36,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 13 [2024-10-24 20:06:36,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479454793] [2024-10-24 20:06:36,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:06:36,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:06:36,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:06:36,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:06:36,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-10-24 20:06:36,654 INFO L87 Difference]: Start difference. First operand 180 states and 240 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-24 20:06:36,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:06:36,718 INFO L93 Difference]: Finished difference Result 280 states and 376 transitions. [2024-10-24 20:06:36,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:06:36,719 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 251 [2024-10-24 20:06:36,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:06:36,721 INFO L225 Difference]: With dead ends: 280 [2024-10-24 20:06:36,721 INFO L226 Difference]: Without dead ends: 180 [2024-10-24 20:06:36,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-10-24 20:06:36,722 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 2 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:06:36,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 106 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:06:36,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-10-24 20:06:36,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 171. [2024-10-24 20:06:36,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 107 states have (on average 1.1308411214953271) internal successors, (121), 107 states have internal predecessors, (121), 54 states have call successors, (54), 9 states have call predecessors, (54), 9 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-24 20:06:36,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 229 transitions. [2024-10-24 20:06:36,740 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 229 transitions. Word has length 251 [2024-10-24 20:06:36,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:06:36,740 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 229 transitions. [2024-10-24 20:06:36,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-24 20:06:36,740 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 229 transitions. [2024-10-24 20:06:36,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-10-24 20:06:36,744 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:06:36,744 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1] [2024-10-24 20:06:36,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-24 20:06:36,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-24 20:06:36,946 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-24 20:06:36,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:06:36,946 INFO L85 PathProgramCache]: Analyzing trace with hash -478115068, now seen corresponding path program 2 times [2024-10-24 20:06:36,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:06:36,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056346956] [2024-10-24 20:06:36,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:06:36,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:06:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 20:06:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 20:06:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:06:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 20:06:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 20:06:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 20:06:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 20:06:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 20:06:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 20:06:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 20:06:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 20:06:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 20:06:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 20:06:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 20:06:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 20:06:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 20:06:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 20:06:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 20:06:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 20:06:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 20:06:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 20:06:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 20:06:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 20:06:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 20:06:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 20:06:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 20:06:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 20:06:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 20:06:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 20:06:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 20:06:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 20:06:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 20:06:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-24 20:06:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 20:06:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 20:06:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 20:06:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 20:06:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 20:06:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 20:06:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-24 20:06:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-24 20:06:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 20:06:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:06:37,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3747 backedges. 126 proven. 12 refuted. 0 times theorem prover too weak. 3609 trivial. 0 not checked. [2024-10-24 20:06:37,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:06:37,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056346956] [2024-10-24 20:06:37,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056346956] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:06:37,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733143349] [2024-10-24 20:06:37,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:06:37,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:06:37,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:06:37,385 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:06:37,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 20:06:37,537 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:06:37,537 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:06:37,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 20:06:37,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:06:37,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3747 backedges. 991 proven. 1 refuted. 0 times theorem prover too weak. 2755 trivial. 0 not checked. [2024-10-24 20:06:37,871 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:06:38,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3747 backedges. 127 proven. 1 refuted. 0 times theorem prover too weak. 3619 trivial. 0 not checked. [2024-10-24 20:06:38,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733143349] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:06:38,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:06:38,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 13, 14] total 19 [2024-10-24 20:06:38,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796932520] [2024-10-24 20:06:38,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:06:38,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-24 20:06:38,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:06:38,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-24 20:06:38,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2024-10-24 20:06:38,336 INFO L87 Difference]: Start difference. First operand 171 states and 229 transitions. Second operand has 19 states, 19 states have (on average 4.052631578947368) internal successors, (77), 19 states have internal predecessors, (77), 5 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 5 states have call predecessors, (42), 5 states have call successors, (42) [2024-10-24 20:06:42,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 20:06:43,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:06:43,378 INFO L93 Difference]: Finished difference Result 583 states and 794 transitions. [2024-10-24 20:06:43,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-24 20:06:43,379 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.052631578947368) internal successors, (77), 19 states have internal predecessors, (77), 5 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 5 states have call predecessors, (42), 5 states have call successors, (42) Word has length 278 [2024-10-24 20:06:43,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:06:43,381 INFO L225 Difference]: With dead ends: 583 [2024-10-24 20:06:43,381 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 20:06:43,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 674 GetRequests, 620 SyntacticMatches, 11 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=380, Invalid=1600, Unknown=0, NotChecked=0, Total=1980 [2024-10-24 20:06:43,384 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 65 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 47 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-10-24 20:06:43,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 596 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 554 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-10-24 20:06:43,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 20:06:43,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 20:06:43,385 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) [2024-10-24 20:06:43,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 20:06:43,385 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 278 [2024-10-24 20:06:43,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:06:43,385 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 20:06:43,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.052631578947368) internal successors, (77), 19 states have internal predecessors, (77), 5 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 5 states have call predecessors, (42), 5 states have call successors, (42) [2024-10-24 20:06:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 20:06:43,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 20:06:43,388 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-10-24 20:06:43,389 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-10-24 20:06:43,389 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-10-24 20:06:43,389 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-10-24 20:06:43,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-24 20:06:43,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-24 20:06:43,593 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:06:43,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-24 20:06:44,755 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 20:06:44,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 08:06:44 BoogieIcfgContainer [2024-10-24 20:06:44,780 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 20:06:44,780 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 20:06:44,781 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 20:06:44,781 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 20:06:44,781 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:06:10" (3/4) ... [2024-10-24 20:06:44,783 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 20:06:44,787 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-24 20:06:44,790 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-24 20:06:44,791 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-24 20:06:44,791 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 20:06:44,792 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 20:06:44,891 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 20:06:44,892 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 20:06:44,892 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 20:06:44,892 INFO L158 Benchmark]: Toolchain (without parser) took 34746.75ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 95.5MB in the beginning and 143.8MB in the end (delta: -48.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 20:06:44,892 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 94.4MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 20:06:44,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.04ms. Allocated memory is still 153.1MB. Free memory was 95.0MB in the beginning and 124.6MB in the end (delta: -29.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-10-24 20:06:44,893 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.61ms. Allocated memory is still 153.1MB. Free memory was 124.6MB in the beginning and 122.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 20:06:44,893 INFO L158 Benchmark]: Boogie Preprocessor took 31.37ms. Allocated memory is still 153.1MB. Free memory was 122.9MB in the beginning and 121.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 20:06:44,893 INFO L158 Benchmark]: RCFGBuilder took 354.97ms. Allocated memory is still 153.1MB. Free memory was 121.6MB in the beginning and 104.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-24 20:06:44,894 INFO L158 Benchmark]: TraceAbstraction took 33894.01ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 104.0MB in the beginning and 149.0MB in the end (delta: -45.0MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. [2024-10-24 20:06:44,894 INFO L158 Benchmark]: Witness Printer took 111.39ms. Allocated memory is still 192.9MB. Free memory was 149.0MB in the beginning and 143.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 20:06:44,895 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96ms. Allocated memory is still 94.4MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.04ms. Allocated memory is still 153.1MB. Free memory was 95.0MB in the beginning and 124.6MB in the end (delta: -29.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.61ms. Allocated memory is still 153.1MB. Free memory was 124.6MB in the beginning and 122.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.37ms. Allocated memory is still 153.1MB. Free memory was 122.9MB in the beginning and 121.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.97ms. Allocated memory is still 153.1MB. Free memory was 121.6MB in the beginning and 104.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 33894.01ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 104.0MB in the beginning and 149.0MB in the end (delta: -45.0MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. * Witness Printer took 111.39ms. Allocated memory is still 192.9MB. Free memory was 149.0MB in the beginning and 143.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: 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 2 procedures, 33 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 32.6s, OverallIterations: 13, TraceHistogramMax: 42, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 24.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 580 SdHoareTripleChecker+Valid, 22.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 580 mSDsluCounter, 2145 SdHoareTripleChecker+Invalid, 21.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1726 mSDsCounter, 132 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1367 IncrementalHoareTripleChecker+Invalid, 1504 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 132 mSolverCounterUnsat, 419 mSDtfsCounter, 1367 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2004 GetRequests, 1749 SyntacticMatches, 21 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1875 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=180occurred in iteration=11, InterpolantAutomatonStates: 170, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 150 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 1899 NumberOfCodeBlocks, 1899 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2519 ConstructedInterpolants, 0 QuantifiedInterpolants, 3753 SizeOfPredicates, 43 NumberOfNonLiveVariables, 2115 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 27 InterpolantComputations, 8 PerfectInterpolantSequences, 25630/26047 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 4 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((counter <= 5) && (3 <= counter)) || (counter == 0)) || (counter == 1)) || (counter == 2)) - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: ((((counter <= 5) && (3 <= counter)) || ((1 <= counter) && (counter <= 2))) || (counter == 6)) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) RESULT: Ultimate proved your program to be correct! [2024-10-24 20:06:44,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE