./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/aviad.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/aviad.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 212c9b1b6a93f8f17548e7937584929a6b6ed1677eb6287f5deae898fbaeb3a4 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 18:07:02,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 18:07:02,601 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-20 18:07:02,607 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 18:07:02,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 18:07:02,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 18:07:02,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 18:07:02,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 18:07:02,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 18:07:02,642 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 18:07:02,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 18:07:02,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 18:07:02,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 18:07:02,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 18:07:02,644 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 18:07:02,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 18:07:02,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 18:07:02,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 18:07:02,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 18:07:02,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 18:07:02,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 18:07:02,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 18:07:02,647 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 18:07:02,647 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 18:07:02,647 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 18:07:02,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 18:07:02,648 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 18:07:02,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 18:07:02,649 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 18:07:02,649 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 18:07:02,649 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 18:07:02,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:07:02,650 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 18:07:02,650 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 18:07:02,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 18:07:02,652 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 18:07:02,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 18:07:02,653 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 18:07:02,653 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 18:07:02,653 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 18:07:02,654 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 18:07:02,654 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 212c9b1b6a93f8f17548e7937584929a6b6ed1677eb6287f5deae898fbaeb3a4 [2024-11-20 18:07:02,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 18:07:02,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 18:07:02,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 18:07:02,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 18:07:02,949 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 18:07:02,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/aviad.c [2024-11-20 18:07:04,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 18:07:04,598 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 18:07:04,599 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/aviad.c [2024-11-20 18:07:04,614 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca5505c69/b18eed7bbf43426ab031286f9a7eb267/FLAGa2d136f8d [2024-11-20 18:07:04,632 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca5505c69/b18eed7bbf43426ab031286f9a7eb267 [2024-11-20 18:07:04,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 18:07:04,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 18:07:04,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 18:07:04,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 18:07:04,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 18:07:04,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:07:04" (1/1) ... [2024-11-20 18:07:04,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53277aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:04, skipping insertion in model container [2024-11-20 18:07:04,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:07:04" (1/1) ... [2024-11-20 18:07:04,664 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 18:07:04,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:07:04,858 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 18:07:04,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:07:04,887 INFO L204 MainTranslator]: Completed translation [2024-11-20 18:07:04,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:04 WrapperNode [2024-11-20 18:07:04,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 18:07:04,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 18:07:04,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 18:07:04,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 18:07:04,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:04" (1/1) ... [2024-11-20 18:07:04,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:04" (1/1) ... [2024-11-20 18:07:04,914 INFO L138 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2024-11-20 18:07:04,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 18:07:04,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 18:07:04,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 18:07:04,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 18:07:04,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:04" (1/1) ... [2024-11-20 18:07:04,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:04" (1/1) ... [2024-11-20 18:07:04,928 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:04" (1/1) ... [2024-11-20 18:07:04,933 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-20 18:07:04,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:04" (1/1) ... [2024-11-20 18:07:04,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:04" (1/1) ... [2024-11-20 18:07:04,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:04" (1/1) ... [2024-11-20 18:07:04,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:04" (1/1) ... [2024-11-20 18:07:04,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:04" (1/1) ... [2024-11-20 18:07:04,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:04" (1/1) ... [2024-11-20 18:07:04,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 18:07:04,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 18:07:04,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 18:07:04,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 18:07:04,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:04" (1/1) ... [2024-11-20 18:07:04,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:07:04,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:07:04,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 18:07:04,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 18:07:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 18:07:05,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 18:07:05,079 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 18:07:05,081 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 18:07:05,231 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-20 18:07:05,234 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 18:07:05,245 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 18:07:05,246 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 18:07:05,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:07:05 BoogieIcfgContainer [2024-11-20 18:07:05,246 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 18:07:05,251 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 18:07:05,253 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 18:07:05,256 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 18:07:05,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:07:04" (1/3) ... [2024-11-20 18:07:05,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b65743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:07:05, skipping insertion in model container [2024-11-20 18:07:05,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:07:04" (2/3) ... [2024-11-20 18:07:05,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b65743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:07:05, skipping insertion in model container [2024-11-20 18:07:05,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:07:05" (3/3) ... [2024-11-20 18:07:05,259 INFO L112 eAbstractionObserver]: Analyzing ICFG aviad.c [2024-11-20 18:07:05,307 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 18:07:05,308 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-20 18:07:05,419 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 18:07:05,426 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;@1cd576e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 18:07:05,428 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-20 18:07:05,432 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 15 states have (on average 1.6) internal successors, (24), 21 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:05,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-20 18:07:05,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:07:05,437 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-20 18:07:05,439 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:07:05,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:07:05,444 INFO L85 PathProgramCache]: Analyzing trace with hash 28699945, now seen corresponding path program 1 times [2024-11-20 18:07:05,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:07:05,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271469839] [2024-11-20 18:07:05,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:07:05,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:07:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:07:05,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:05,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:07:05,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271469839] [2024-11-20 18:07:05,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271469839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:07:05,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:07:05,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:07:05,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099364686] [2024-11-20 18:07:05,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:07:05,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:07:05,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:07:05,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:07:05,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:07:05,675 INFO L87 Difference]: Start difference. First operand has 22 states, 15 states have (on average 1.6) internal successors, (24), 21 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) 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) [2024-11-20 18:07:05,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:07:05,732 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2024-11-20 18:07:05,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:07:05,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) 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 [2024-11-20 18:07:05,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:07:05,751 INFO L225 Difference]: With dead ends: 27 [2024-11-20 18:07:05,751 INFO L226 Difference]: Without dead ends: 15 [2024-11-20 18:07:05,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:07:05,762 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:07:05,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 24 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:07:05,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-20 18:07:05,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-20 18:07:05,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:05,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2024-11-20 18:07:05,791 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 5 [2024-11-20 18:07:05,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:07:05,792 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-11-20 18:07:05,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) 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) [2024-11-20 18:07:05,792 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-20 18:07:05,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:07:05,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:07:05,793 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:07:05,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 18:07:05,795 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:07:05,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:07:05,795 INFO L85 PathProgramCache]: Analyzing trace with hash 889698349, now seen corresponding path program 1 times [2024-11-20 18:07:05,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:07:05,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650462980] [2024-11-20 18:07:05,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:07:05,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:07:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:07:05,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:05,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:07:05,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650462980] [2024-11-20 18:07:05,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650462980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:07:05,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:07:05,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:07:05,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451271171] [2024-11-20 18:07:05,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:07:05,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:07:05,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:07:05,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:07:05,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:07:05,892 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:05,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:07:05,915 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2024-11-20 18:07:05,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:07:05,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-20 18:07:05,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:07:05,917 INFO L225 Difference]: With dead ends: 15 [2024-11-20 18:07:05,917 INFO L226 Difference]: Without dead ends: 13 [2024-11-20 18:07:05,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:07:05,919 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 7 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:07:05,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 10 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:07:05,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-20 18:07:05,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-20 18:07:05,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:05,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-11-20 18:07:05,924 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 6 [2024-11-20 18:07:05,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:07:05,925 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-11-20 18:07:05,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:05,927 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-20 18:07:05,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 18:07:05,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:07:05,928 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:07:05,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 18:07:05,929 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:07:05,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:07:05,933 INFO L85 PathProgramCache]: Analyzing trace with hash 301623279, now seen corresponding path program 1 times [2024-11-20 18:07:05,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:07:05,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523638395] [2024-11-20 18:07:05,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:07:05,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:07:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:07:06,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:06,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:07:06,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523638395] [2024-11-20 18:07:06,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523638395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:07:06,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:07:06,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:07:06,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308336863] [2024-11-20 18:07:06,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:07:06,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:07:06,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:07:06,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:07:06,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:07:06,019 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:06,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:07:06,045 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2024-11-20 18:07:06,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:07:06,046 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-20 18:07:06,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:07:06,047 INFO L225 Difference]: With dead ends: 13 [2024-11-20 18:07:06,047 INFO L226 Difference]: Without dead ends: 12 [2024-11-20 18:07:06,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:07:06,048 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:07:06,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 18 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:07:06,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-20 18:07:06,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-20 18:07:06,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:06,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2024-11-20 18:07:06,058 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 8 [2024-11-20 18:07:06,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:07:06,058 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2024-11-20 18:07:06,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:06,059 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-20 18:07:06,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-20 18:07:06,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:07:06,060 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:07:06,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 18:07:06,061 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:07:06,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:07:06,064 INFO L85 PathProgramCache]: Analyzing trace with hash 760387117, now seen corresponding path program 1 times [2024-11-20 18:07:06,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:07:06,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285848967] [2024-11-20 18:07:06,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:07:06,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:07:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:07:06,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:06,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:07:06,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285848967] [2024-11-20 18:07:06,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285848967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:07:06,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:07:06,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:07:06,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728906495] [2024-11-20 18:07:06,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:07:06,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:07:06,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:07:06,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:07:06,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:07:06,151 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:06,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:07:06,175 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2024-11-20 18:07:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:07:06,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-20 18:07:06,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:07:06,181 INFO L225 Difference]: With dead ends: 22 [2024-11-20 18:07:06,181 INFO L226 Difference]: Without dead ends: 21 [2024-11-20 18:07:06,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:07:06,183 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 3 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:07:06,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 27 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:07:06,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-20 18:07:06,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-20 18:07:06,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.15) internal successors, (23), 20 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:06,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2024-11-20 18:07:06,189 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 9 [2024-11-20 18:07:06,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:07:06,191 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-11-20 18:07:06,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:06,192 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-11-20 18:07:06,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-20 18:07:06,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:07:06,193 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-20 18:07:06,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 18:07:06,194 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:07:06,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:07:06,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1770683038, now seen corresponding path program 1 times [2024-11-20 18:07:06,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:07:06,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710570564] [2024-11-20 18:07:06,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:07:06,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:07:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:07:06,317 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:06,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:07:06,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710570564] [2024-11-20 18:07:06,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710570564] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:07:06,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762859143] [2024-11-20 18:07:06,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:07:06,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:07:06,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:07:06,321 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:07:06,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 18:07:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:07:06,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:07:06,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:07:06,432 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:06,433 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:07:06,517 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:06,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762859143] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:07:06,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:07:06,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-20 18:07:06,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338790210] [2024-11-20 18:07:06,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:07:06,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 18:07:06,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:07:06,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 18:07:06,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:07:06,521 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:06,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:07:06,576 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2024-11-20 18:07:06,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 18:07:06,577 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-20 18:07:06,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:07:06,578 INFO L225 Difference]: With dead ends: 49 [2024-11-20 18:07:06,578 INFO L226 Difference]: Without dead ends: 48 [2024-11-20 18:07:06,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:07:06,579 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 18 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:07:06,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 58 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:07:06,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-20 18:07:06,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-20 18:07:06,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:06,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2024-11-20 18:07:06,592 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 16 [2024-11-20 18:07:06,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:07:06,592 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2024-11-20 18:07:06,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:06,593 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2024-11-20 18:07:06,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-20 18:07:06,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:07:06,594 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 1, 1, 1] [2024-11-20 18:07:06,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 18:07:06,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:07:06,796 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:07:06,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:07:06,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1461730579, now seen corresponding path program 2 times [2024-11-20 18:07:06,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:07:06,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099517781] [2024-11-20 18:07:06,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:07:06,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:07:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:07:07,162 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:07,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:07:07,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099517781] [2024-11-20 18:07:07,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099517781] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:07:07,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019573663] [2024-11-20 18:07:07,164 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:07:07,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:07:07,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:07:07,168 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:07:07,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 18:07:07,219 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:07:07,219 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:07:07,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 18:07:07,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:07:07,302 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:07,302 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:07:07,524 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:07,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019573663] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:07:07,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:07:07,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-11-20 18:07:07,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358042418] [2024-11-20 18:07:07,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:07:07,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-20 18:07:07,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:07:07,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-20 18:07:07,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-20 18:07:07,532 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 22 states, 21 states have (on average 3.4761904761904763) internal successors, (73), 22 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:07,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:07:07,611 INFO L93 Difference]: Finished difference Result 103 states and 119 transitions. [2024-11-20 18:07:07,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-20 18:07:07,612 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.4761904761904763) internal successors, (73), 22 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2024-11-20 18:07:07,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:07:07,613 INFO L225 Difference]: With dead ends: 103 [2024-11-20 18:07:07,614 INFO L226 Difference]: Without dead ends: 102 [2024-11-20 18:07:07,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-20 18:07:07,615 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 60 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:07:07,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 118 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:07:07,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-20 18:07:07,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-20 18:07:07,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.118811881188119) internal successors, (113), 101 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:07,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 113 transitions. [2024-11-20 18:07:07,629 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 113 transitions. Word has length 37 [2024-11-20 18:07:07,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:07:07,629 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 113 transitions. [2024-11-20 18:07:07,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.4761904761904763) internal successors, (73), 22 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:07,630 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 113 transitions. [2024-11-20 18:07:07,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-20 18:07:07,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:07:07,633 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 1, 1, 1] [2024-11-20 18:07:07,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-20 18:07:07,833 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 [2024-11-20 18:07:07,834 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:07:07,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:07:07,834 INFO L85 PathProgramCache]: Analyzing trace with hash -2069947891, now seen corresponding path program 3 times [2024-11-20 18:07:07,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:07:07,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909069424] [2024-11-20 18:07:07,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:07:07,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:07:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:07:08,426 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:08,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:07:08,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909069424] [2024-11-20 18:07:08,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909069424] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:07:08,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056514113] [2024-11-20 18:07:08,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 18:07:08,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:07:08,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:07:08,432 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:07:08,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 18:07:08,482 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-20 18:07:08,482 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:07:08,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:07:08,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:07:08,687 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 123 proven. 1 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-11-20 18:07:08,687 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:07:08,835 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-11-20 18:07:08,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056514113] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-20 18:07:08,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:07:08,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [23, 6] total 31 [2024-11-20 18:07:08,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420259395] [2024-11-20 18:07:08,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:07:08,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:07:08,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:07:08,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:07:08,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=755, Unknown=0, NotChecked=0, Total=930 [2024-11-20 18:07:08,838 INFO L87 Difference]: Start difference. First operand 102 states and 113 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:08,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:07:08,929 INFO L93 Difference]: Finished difference Result 263 states and 293 transitions. [2024-11-20 18:07:08,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:07:08,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-20 18:07:08,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:07:08,932 INFO L225 Difference]: With dead ends: 263 [2024-11-20 18:07:08,932 INFO L226 Difference]: Without dead ends: 176 [2024-11-20 18:07:08,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2024-11-20 18:07:08,934 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 4 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:07:08,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 31 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:07:08,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-20 18:07:08,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 155. [2024-11-20 18:07:08,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.0844155844155845) internal successors, (167), 154 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:08,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 167 transitions. [2024-11-20 18:07:08,957 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 167 transitions. Word has length 79 [2024-11-20 18:07:08,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:07:08,957 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 167 transitions. [2024-11-20 18:07:08,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:08,957 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 167 transitions. [2024-11-20 18:07:08,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-20 18:07:08,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:07:08,959 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 6, 6, 6, 5, 5, 5, 1, 1, 1] [2024-11-20 18:07:08,968 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 18:07:09,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:07:09,160 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:07:09,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:07:09,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1550253103, now seen corresponding path program 1 times [2024-11-20 18:07:09,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:07:09,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658287262] [2024-11-20 18:07:09,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:07:09,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:07:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:07:09,755 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:09,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:07:09,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658287262] [2024-11-20 18:07:09,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658287262] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:07:09,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825921713] [2024-11-20 18:07:09,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:07:09,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:07:09,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:07:09,758 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:07:09,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 18:07:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:07:09,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-20 18:07:09,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:07:09,937 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:09,937 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:07:10,526 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:10,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825921713] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:07:10,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:07:10,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2024-11-20 18:07:10,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401943080] [2024-11-20 18:07:10,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:07:10,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-20 18:07:10,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:07:10,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-20 18:07:10,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-20 18:07:10,534 INFO L87 Difference]: Start difference. First operand 155 states and 167 transitions. Second operand has 46 states, 45 states have (on average 3.488888888888889) internal successors, (157), 46 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:10,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:07:10,670 INFO L93 Difference]: Finished difference Result 324 states and 371 transitions. [2024-11-20 18:07:10,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-20 18:07:10,671 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 3.488888888888889) internal successors, (157), 46 states have internal predecessors, (157), 0 states have call successors, (0), 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 79 [2024-11-20 18:07:10,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:07:10,672 INFO L225 Difference]: With dead ends: 324 [2024-11-20 18:07:10,673 INFO L226 Difference]: Without dead ends: 323 [2024-11-20 18:07:10,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-20 18:07:10,677 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 66 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:07:10,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 220 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:07:10,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-20 18:07:10,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2024-11-20 18:07:10,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 322 states have (on average 1.0776397515527951) internal successors, (347), 322 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:10,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 347 transitions. [2024-11-20 18:07:10,712 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 347 transitions. Word has length 79 [2024-11-20 18:07:10,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:07:10,715 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 347 transitions. [2024-11-20 18:07:10,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.488888888888889) internal successors, (157), 46 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:10,716 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 347 transitions. [2024-11-20 18:07:10,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 18:07:10,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:07:10,722 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 12, 12, 12, 11, 11, 11, 1, 1, 1] [2024-11-20 18:07:10,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 18:07:10,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:07:10,923 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:07:10,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:07:10,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1213414325, now seen corresponding path program 2 times [2024-11-20 18:07:10,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:07:10,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385644874] [2024-11-20 18:07:10,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:07:10,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:07:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:07:12,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1507 backedges. 0 proven. 1507 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:12,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:07:12,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385644874] [2024-11-20 18:07:12,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385644874] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:07:12,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222127028] [2024-11-20 18:07:12,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:07:12,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:07:12,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:07:12,887 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:07:12,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 18:07:12,975 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:07:12,975 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:07:12,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-20 18:07:12,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:07:13,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1507 backedges. 0 proven. 1507 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:13,218 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:07:15,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1507 backedges. 0 proven. 1507 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:15,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222127028] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:07:15,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:07:15,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2024-11-20 18:07:15,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107290868] [2024-11-20 18:07:15,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:07:15,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-11-20 18:07:15,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:07:15,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-11-20 18:07:15,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-11-20 18:07:15,417 INFO L87 Difference]: Start difference. First operand 323 states and 347 transitions. Second operand has 94 states, 93 states have (on average 3.4946236559139785) internal successors, (325), 94 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:15,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:07:15,765 INFO L93 Difference]: Finished difference Result 660 states and 755 transitions. [2024-11-20 18:07:15,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-20 18:07:15,765 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 3.4946236559139785) internal successors, (325), 94 states have internal predecessors, (325), 0 states have call successors, (0), 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 163 [2024-11-20 18:07:15,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:07:15,768 INFO L225 Difference]: With dead ends: 660 [2024-11-20 18:07:15,769 INFO L226 Difference]: Without dead ends: 659 [2024-11-20 18:07:15,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2509 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2024-11-20 18:07:15,772 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 138 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:07:15,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 406 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:07:15,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-11-20 18:07:15,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2024-11-20 18:07:15,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 658 states have (on average 1.074468085106383) internal successors, (707), 658 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:15,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 707 transitions. [2024-11-20 18:07:15,817 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 707 transitions. Word has length 163 [2024-11-20 18:07:15,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:07:15,818 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 707 transitions. [2024-11-20 18:07:15,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 3.4946236559139785) internal successors, (325), 94 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:15,819 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 707 transitions. [2024-11-20 18:07:15,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-11-20 18:07:15,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:07:15,824 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 24, 24, 24, 23, 23, 23, 1, 1, 1] [2024-11-20 18:07:15,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 18:07:16,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:07:16,025 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:07:16,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:07:16,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1537260925, now seen corresponding path program 3 times [2024-11-20 18:07:16,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:07:16,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557945279] [2024-11-20 18:07:16,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:07:16,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:07:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:07:21,648 INFO L134 CoverageAnalysis]: Checked inductivity of 6463 backedges. 0 proven. 6463 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:21,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:07:21,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557945279] [2024-11-20 18:07:21,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557945279] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:07:21,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746436123] [2024-11-20 18:07:21,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 18:07:21,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:07:21,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:07:21,650 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:07:21,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 18:07:21,929 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 41 check-sat command(s) [2024-11-20 18:07:21,930 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:07:21,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-20 18:07:21,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:07:22,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6463 backedges. 0 proven. 6463 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:22,415 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:07:28,538 INFO L134 CoverageAnalysis]: Checked inductivity of 6463 backedges. 0 proven. 6463 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:07:28,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746436123] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:07:28,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:07:28,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2024-11-20 18:07:28,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298854956] [2024-11-20 18:07:28,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:07:28,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2024-11-20 18:07:28,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:07:28,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2024-11-20 18:07:28,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-11-20 18:07:28,551 INFO L87 Difference]: Start difference. First operand 659 states and 707 transitions. Second operand has 190 states, 189 states have (on average 3.497354497354497) internal successors, (661), 190 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:29,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:07:29,823 INFO L93 Difference]: Finished difference Result 1332 states and 1523 transitions. [2024-11-20 18:07:29,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-11-20 18:07:29,824 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 3.497354497354497) internal successors, (661), 190 states have internal predecessors, (661), 0 states have call successors, (0), 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 331 [2024-11-20 18:07:29,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:07:29,828 INFO L225 Difference]: With dead ends: 1332 [2024-11-20 18:07:29,829 INFO L226 Difference]: Without dead ends: 1331 [2024-11-20 18:07:29,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 755 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10765 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-11-20 18:07:29,832 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 285 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:07:29,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 732 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:07:29,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2024-11-20 18:07:29,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1331. [2024-11-20 18:07:29,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1331 states, 1330 states have (on average 1.0729323308270677) internal successors, (1427), 1330 states have internal predecessors, (1427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:29,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1427 transitions. [2024-11-20 18:07:29,863 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1427 transitions. Word has length 331 [2024-11-20 18:07:29,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:07:29,864 INFO L471 AbstractCegarLoop]: Abstraction has 1331 states and 1427 transitions. [2024-11-20 18:07:29,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 3.497354497354497) internal successors, (661), 190 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 18:07:29,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1427 transitions. [2024-11-20 18:07:29,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2024-11-20 18:07:29,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:07:29,877 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 48, 48, 48, 47, 47, 47, 1, 1, 1] [2024-11-20 18:07:29,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-20 18:07:30,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:07:30,081 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 18:07:30,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:07:30,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1107036429, now seen corresponding path program 4 times [2024-11-20 18:07:30,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:07:30,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700689662] [2024-11-20 18:07:30,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:07:30,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:07:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:07:46,361 INFO L134 CoverageAnalysis]: Checked inductivity of 26743 backedges. 22700 proven. 524 refuted. 0 times theorem prover too weak. 3519 trivial. 0 not checked. [2024-11-20 18:07:46,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:07:46,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700689662] [2024-11-20 18:07:46,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700689662] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:07:46,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491854148] [2024-11-20 18:07:46,362 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-20 18:07:46,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:07:46,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:07:46,363 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:07:46,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 18:07:46,660 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-20 18:07:46,660 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:07:46,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 1386 conjuncts, 191 conjuncts are in the unsatisfiable core [2024-11-20 18:07:46,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:08:02,382 INFO L134 CoverageAnalysis]: Checked inductivity of 26743 backedges. 0 proven. 26743 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:08:02,382 INFO L311 TraceCheckSpWp]: Computing backward predicates...