./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.02.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 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/systemc/token_ring.02.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 44ef362a593e25f5681bc4a034b065cd86559bd3dd750386bca2a1f270891ccd --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 21:17:00,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 21:17:00,901 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 21:17:00,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 21:17:00,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 21:17:00,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 21:17:00,939 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 21:17:00,940 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 21:17:00,942 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 21:17:00,943 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 21:17:00,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 21:17:00,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 21:17:00,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 21:17:00,945 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 21:17:00,945 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 21:17:00,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 21:17:00,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 21:17:00,946 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 21:17:00,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 21:17:00,950 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 21:17:00,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 21:17:00,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 21:17:00,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 21:17:00,951 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 21:17:00,951 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 21:17:00,952 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 21:17:00,953 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 21:17:00,953 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 21:17:00,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 21:17:00,953 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 21:17:00,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 21:17:00,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 21:17:00,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 21:17:00,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 21:17:00,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:17:00,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 21:17:00,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 21:17:00,956 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 21:17:00,956 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 21:17:00,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 21:17:00,957 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 21:17:00,957 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 21:17:00,957 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 21:17:00,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 21:17:00,958 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44ef362a593e25f5681bc4a034b065cd86559bd3dd750386bca2a1f270891ccd [2024-10-14 21:17:01,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 21:17:01,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 21:17:01,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 21:17:01,281 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 21:17:01,281 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 21:17:01,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.02.cil-1.c [2024-10-14 21:17:02,739 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 21:17:02,922 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 21:17:02,923 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.02.cil-1.c [2024-10-14 21:17:02,936 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/993f7393a/8433c60251664f63a57d6e787c70db9e/FLAGf24139f02 [2024-10-14 21:17:02,949 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/993f7393a/8433c60251664f63a57d6e787c70db9e [2024-10-14 21:17:02,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 21:17:02,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 21:17:02,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 21:17:02,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 21:17:02,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 21:17:02,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:17:02" (1/1) ... [2024-10-14 21:17:02,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6296fcb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:17:02, skipping insertion in model container [2024-10-14 21:17:02,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:17:02" (1/1) ... [2024-10-14 21:17:02,999 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 21:17:03,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:17:03,247 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 21:17:03,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:17:03,313 INFO L204 MainTranslator]: Completed translation [2024-10-14 21:17:03,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:17:03 WrapperNode [2024-10-14 21:17:03,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 21:17:03,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 21:17:03,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 21:17:03,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 21:17:03,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:17:03" (1/1) ... [2024-10-14 21:17:03,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:17:03" (1/1) ... [2024-10-14 21:17:03,361 INFO L138 Inliner]: procedures = 32, calls = 38, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 286 [2024-10-14 21:17:03,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 21:17:03,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 21:17:03,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 21:17:03,366 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 21:17:03,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:17:03" (1/1) ... [2024-10-14 21:17:03,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:17:03" (1/1) ... [2024-10-14 21:17:03,380 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:17:03" (1/1) ... [2024-10-14 21:17:03,395 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 21:17:03,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:17:03" (1/1) ... [2024-10-14 21:17:03,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:17:03" (1/1) ... [2024-10-14 21:17:03,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:17:03" (1/1) ... [2024-10-14 21:17:03,413 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:17:03" (1/1) ... [2024-10-14 21:17:03,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:17:03" (1/1) ... [2024-10-14 21:17:03,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:17:03" (1/1) ... [2024-10-14 21:17:03,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 21:17:03,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 21:17:03,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 21:17:03,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 21:17:03,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:17:03" (1/1) ... [2024-10-14 21:17:03,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:17:03,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:17:03,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 21:17:03,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 21:17:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 21:17:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-10-14 21:17:03,519 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-10-14 21:17:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-10-14 21:17:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-10-14 21:17:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-10-14 21:17:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-10-14 21:17:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-10-14 21:17:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-10-14 21:17:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-10-14 21:17:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-10-14 21:17:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 21:17:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-10-14 21:17:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-10-14 21:17:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 21:17:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 21:17:03,606 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 21:17:03,608 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 21:17:04,119 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-10-14 21:17:04,120 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 21:17:04,167 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 21:17:04,167 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-14 21:17:04,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:17:04 BoogieIcfgContainer [2024-10-14 21:17:04,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 21:17:04,170 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 21:17:04,170 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 21:17:04,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 21:17:04,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:17:02" (1/3) ... [2024-10-14 21:17:04,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d748053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:17:04, skipping insertion in model container [2024-10-14 21:17:04,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:17:03" (2/3) ... [2024-10-14 21:17:04,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d748053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:17:04, skipping insertion in model container [2024-10-14 21:17:04,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:17:04" (3/3) ... [2024-10-14 21:17:04,178 INFO L112 eAbstractionObserver]: Analyzing ICFG token_ring.02.cil-1.c [2024-10-14 21:17:04,195 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 21:17:04,196 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-14 21:17:04,276 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 21:17:04,282 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;@3ca6cd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 21:17:04,282 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-14 21:17:04,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 99 states have (on average 1.6666666666666667) internal successors, (165), 106 states have internal predecessors, (165), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 21:17:04,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-14 21:17:04,295 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:04,295 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:04,296 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:04,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:04,300 INFO L85 PathProgramCache]: Analyzing trace with hash 913972694, now seen corresponding path program 1 times [2024-10-14 21:17:04,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:04,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620784347] [2024-10-14 21:17:04,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:04,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:17:04,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:04,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620784347] [2024-10-14 21:17:04,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620784347] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:04,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:04,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 21:17:04,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455460763] [2024-10-14 21:17:04,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:04,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:17:04,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:04,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:17:04,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:17:04,737 INFO L87 Difference]: Start difference. First operand has 128 states, 99 states have (on average 1.6666666666666667) internal successors, (165), 106 states have internal predecessors, (165), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:05,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:05,404 INFO L93 Difference]: Finished difference Result 282 states and 441 transitions. [2024-10-14 21:17:05,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:17:05,407 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-10-14 21:17:05,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:05,422 INFO L225 Difference]: With dead ends: 282 [2024-10-14 21:17:05,422 INFO L226 Difference]: Without dead ends: 156 [2024-10-14 21:17:05,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 21:17:05,431 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 279 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:05,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 249 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 21:17:05,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-10-14 21:17:05,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 126. [2024-10-14 21:17:05,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 104 states have internal predecessors, (151), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 21:17:05,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 183 transitions. [2024-10-14 21:17:05,511 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 183 transitions. Word has length 59 [2024-10-14 21:17:05,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:05,511 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 183 transitions. [2024-10-14 21:17:05,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:05,512 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 183 transitions. [2024-10-14 21:17:05,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-14 21:17:05,514 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:05,514 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:05,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 21:17:05,515 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:05,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:05,515 INFO L85 PathProgramCache]: Analyzing trace with hash 37953688, now seen corresponding path program 1 times [2024-10-14 21:17:05,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:05,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820274777] [2024-10-14 21:17:05,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:05,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:05,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:05,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:05,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:05,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:05,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:05,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:17:05,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:05,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820274777] [2024-10-14 21:17:05,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820274777] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:05,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:05,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 21:17:05,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087071892] [2024-10-14 21:17:05,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:05,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:17:05,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:05,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:17:05,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:17:05,830 INFO L87 Difference]: Start difference. First operand 126 states and 183 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:06,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:06,630 INFO L93 Difference]: Finished difference Result 421 states and 629 transitions. [2024-10-14 21:17:06,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 21:17:06,631 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-10-14 21:17:06,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:06,634 INFO L225 Difference]: With dead ends: 421 [2024-10-14 21:17:06,634 INFO L226 Difference]: Without dead ends: 303 [2024-10-14 21:17:06,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:17:06,636 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 397 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:06,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 409 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 21:17:06,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-10-14 21:17:06,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 240. [2024-10-14 21:17:06,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 194 states have (on average 1.5463917525773196) internal successors, (300), 201 states have internal predecessors, (300), 27 states have call successors, (27), 12 states have call predecessors, (27), 13 states have return successors, (30), 27 states have call predecessors, (30), 27 states have call successors, (30) [2024-10-14 21:17:06,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 357 transitions. [2024-10-14 21:17:06,685 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 357 transitions. Word has length 59 [2024-10-14 21:17:06,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:06,685 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 357 transitions. [2024-10-14 21:17:06,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:06,686 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 357 transitions. [2024-10-14 21:17:06,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-14 21:17:06,690 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:06,690 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:06,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 21:17:06,692 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:06,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:06,693 INFO L85 PathProgramCache]: Analyzing trace with hash 241289688, now seen corresponding path program 1 times [2024-10-14 21:17:06,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:06,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990060551] [2024-10-14 21:17:06,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:06,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:17:06,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:06,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990060551] [2024-10-14 21:17:06,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990060551] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:06,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:06,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 21:17:06,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065349097] [2024-10-14 21:17:06,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:06,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 21:17:06,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:06,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 21:17:06,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 21:17:06,913 INFO L87 Difference]: Start difference. First operand 240 states and 357 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:07,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:07,896 INFO L93 Difference]: Finished difference Result 678 states and 1017 transitions. [2024-10-14 21:17:07,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 21:17:07,897 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-10-14 21:17:07,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:07,903 INFO L225 Difference]: With dead ends: 678 [2024-10-14 21:17:07,905 INFO L226 Difference]: Without dead ends: 446 [2024-10-14 21:17:07,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-10-14 21:17:07,909 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 394 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 983 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 1024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:07,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 774 Invalid, 1024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 983 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 21:17:07,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-10-14 21:17:07,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 347. [2024-10-14 21:17:07,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 283 states have (on average 1.5371024734982333) internal successors, (435), 291 states have internal predecessors, (435), 38 states have call successors, (38), 18 states have call predecessors, (38), 20 states have return successors, (43), 39 states have call predecessors, (43), 38 states have call successors, (43) [2024-10-14 21:17:07,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 516 transitions. [2024-10-14 21:17:07,989 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 516 transitions. Word has length 59 [2024-10-14 21:17:07,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:07,989 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 516 transitions. [2024-10-14 21:17:07,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:07,990 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 516 transitions. [2024-10-14 21:17:07,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-14 21:17:07,994 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:07,995 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:07,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 21:17:07,995 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:07,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:07,996 INFO L85 PathProgramCache]: Analyzing trace with hash -2114515562, now seen corresponding path program 1 times [2024-10-14 21:17:07,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:07,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305006884] [2024-10-14 21:17:07,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:07,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:17:08,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:08,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305006884] [2024-10-14 21:17:08,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305006884] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:08,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:08,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 21:17:08,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408291845] [2024-10-14 21:17:08,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:08,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 21:17:08,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:08,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 21:17:08,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 21:17:08,160 INFO L87 Difference]: Start difference. First operand 347 states and 516 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:09,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:09,060 INFO L93 Difference]: Finished difference Result 1054 states and 1586 transitions. [2024-10-14 21:17:09,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 21:17:09,062 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-10-14 21:17:09,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:09,068 INFO L225 Difference]: With dead ends: 1054 [2024-10-14 21:17:09,068 INFO L226 Difference]: Without dead ends: 715 [2024-10-14 21:17:09,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-10-14 21:17:09,072 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 430 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:09,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 510 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 21:17:09,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2024-10-14 21:17:09,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 562. [2024-10-14 21:17:09,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 462 states have (on average 1.5281385281385282) internal successors, (706), 472 states have internal predecessors, (706), 60 states have call successors, (60), 30 states have call predecessors, (60), 34 states have return successors, (73), 63 states have call predecessors, (73), 60 states have call successors, (73) [2024-10-14 21:17:09,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 839 transitions. [2024-10-14 21:17:09,135 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 839 transitions. Word has length 59 [2024-10-14 21:17:09,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:09,136 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 839 transitions. [2024-10-14 21:17:09,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:09,137 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 839 transitions. [2024-10-14 21:17:09,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-14 21:17:09,138 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:09,139 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:09,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 21:17:09,139 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:09,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:09,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1827363352, now seen corresponding path program 1 times [2024-10-14 21:17:09,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:09,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383908326] [2024-10-14 21:17:09,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:09,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:09,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:09,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:09,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:09,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:09,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:17:09,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:09,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383908326] [2024-10-14 21:17:09,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383908326] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:09,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:09,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 21:17:09,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683163533] [2024-10-14 21:17:09,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:09,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 21:17:09,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:09,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 21:17:09,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 21:17:09,257 INFO L87 Difference]: Start difference. First operand 562 states and 839 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:10,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:10,357 INFO L93 Difference]: Finished difference Result 1862 states and 2811 transitions. [2024-10-14 21:17:10,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 21:17:10,358 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-10-14 21:17:10,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:10,366 INFO L225 Difference]: With dead ends: 1862 [2024-10-14 21:17:10,366 INFO L226 Difference]: Without dead ends: 1308 [2024-10-14 21:17:10,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-14 21:17:10,370 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 402 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:10,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 761 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1059 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 21:17:10,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2024-10-14 21:17:10,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 962. [2024-10-14 21:17:10,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 794 states have (on average 1.5239294710327456) internal successors, (1210), 808 states have internal predecessors, (1210), 100 states have call successors, (100), 54 states have call predecessors, (100), 62 states have return successors, (135), 107 states have call predecessors, (135), 100 states have call successors, (135) [2024-10-14 21:17:10,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1445 transitions. [2024-10-14 21:17:10,478 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1445 transitions. Word has length 59 [2024-10-14 21:17:10,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:10,478 INFO L471 AbstractCegarLoop]: Abstraction has 962 states and 1445 transitions. [2024-10-14 21:17:10,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:10,479 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1445 transitions. [2024-10-14 21:17:10,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-14 21:17:10,481 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:10,481 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:10,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 21:17:10,481 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:10,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:10,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1574117606, now seen corresponding path program 1 times [2024-10-14 21:17:10,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:10,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136134626] [2024-10-14 21:17:10,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:10,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:17:10,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:10,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136134626] [2024-10-14 21:17:10,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136134626] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:10,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:10,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 21:17:10,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603993340] [2024-10-14 21:17:10,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:10,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 21:17:10,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:10,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 21:17:10,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 21:17:10,622 INFO L87 Difference]: Start difference. First operand 962 states and 1445 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:11,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:11,654 INFO L93 Difference]: Finished difference Result 3208 states and 4847 transitions. [2024-10-14 21:17:11,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 21:17:11,655 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-10-14 21:17:11,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:11,667 INFO L225 Difference]: With dead ends: 3208 [2024-10-14 21:17:11,668 INFO L226 Difference]: Without dead ends: 2254 [2024-10-14 21:17:11,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-14 21:17:11,675 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 402 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:11,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 762 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 21:17:11,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2024-10-14 21:17:11,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 1771. [2024-10-14 21:17:11,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1771 states, 1471 states have (on average 1.5173351461590754) internal successors, (2232), 1493 states have internal predecessors, (2232), 176 states have call successors, (176), 102 states have call predecessors, (176), 118 states have return successors, (273), 191 states have call predecessors, (273), 176 states have call successors, (273) [2024-10-14 21:17:11,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 1771 states and 2681 transitions. [2024-10-14 21:17:11,840 INFO L78 Accepts]: Start accepts. Automaton has 1771 states and 2681 transitions. Word has length 59 [2024-10-14 21:17:11,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:11,841 INFO L471 AbstractCegarLoop]: Abstraction has 1771 states and 2681 transitions. [2024-10-14 21:17:11,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:11,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2681 transitions. [2024-10-14 21:17:11,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-14 21:17:11,844 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:11,845 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:11,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 21:17:11,845 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:11,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:11,846 INFO L85 PathProgramCache]: Analyzing trace with hash 671461848, now seen corresponding path program 1 times [2024-10-14 21:17:11,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:11,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746739968] [2024-10-14 21:17:11,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:11,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:11,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:11,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:11,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:11,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:11,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:11,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:17:11,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:11,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746739968] [2024-10-14 21:17:11,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746739968] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:11,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:11,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 21:17:11,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017002863] [2024-10-14 21:17:11,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:11,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:17:11,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:11,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:17:11,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:17:11,950 INFO L87 Difference]: Start difference. First operand 1771 states and 2681 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:12,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:12,921 INFO L93 Difference]: Finished difference Result 4972 states and 7568 transitions. [2024-10-14 21:17:12,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 21:17:12,921 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-10-14 21:17:12,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:12,939 INFO L225 Difference]: With dead ends: 4972 [2024-10-14 21:17:12,939 INFO L226 Difference]: Without dead ends: 3210 [2024-10-14 21:17:12,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-14 21:17:12,946 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 532 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:12,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 562 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 21:17:12,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3210 states. [2024-10-14 21:17:13,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3210 to 2671. [2024-10-14 21:17:13,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2671 states, 2213 states have (on average 1.5011296882060552) internal successors, (3322), 2252 states have internal predecessors, (3322), 272 states have call successors, (272), 156 states have call predecessors, (272), 180 states have return successors, (397), 278 states have call predecessors, (397), 272 states have call successors, (397) [2024-10-14 21:17:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2671 states and 3991 transitions. [2024-10-14 21:17:13,195 INFO L78 Accepts]: Start accepts. Automaton has 2671 states and 3991 transitions. Word has length 59 [2024-10-14 21:17:13,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:13,198 INFO L471 AbstractCegarLoop]: Abstraction has 2671 states and 3991 transitions. [2024-10-14 21:17:13,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:13,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2671 states and 3991 transitions. [2024-10-14 21:17:13,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-14 21:17:13,200 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:13,200 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:13,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 21:17:13,201 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:13,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:13,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1338873176, now seen corresponding path program 1 times [2024-10-14 21:17:13,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:13,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878707539] [2024-10-14 21:17:13,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:13,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:13,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:13,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:13,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:13,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:13,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:13,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:17:13,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:13,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878707539] [2024-10-14 21:17:13,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878707539] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:13,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:13,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 21:17:13,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913642206] [2024-10-14 21:17:13,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:13,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:17:13,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:13,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:17:13,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:17:13,329 INFO L87 Difference]: Start difference. First operand 2671 states and 3991 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:14,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:14,010 INFO L93 Difference]: Finished difference Result 5775 states and 8750 transitions. [2024-10-14 21:17:14,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 21:17:14,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-10-14 21:17:14,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:14,034 INFO L225 Difference]: With dead ends: 5775 [2024-10-14 21:17:14,034 INFO L226 Difference]: Without dead ends: 3113 [2024-10-14 21:17:14,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-14 21:17:14,046 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 136 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:14,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 436 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 21:17:14,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3113 states. [2024-10-14 21:17:14,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3113 to 2689. [2024-10-14 21:17:14,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2689 states, 2231 states have (on average 1.4894666069027342) internal successors, (3323), 2270 states have internal predecessors, (3323), 272 states have call successors, (272), 156 states have call predecessors, (272), 180 states have return successors, (397), 278 states have call predecessors, (397), 272 states have call successors, (397) [2024-10-14 21:17:14,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 3992 transitions. [2024-10-14 21:17:14,288 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 3992 transitions. Word has length 60 [2024-10-14 21:17:14,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:14,288 INFO L471 AbstractCegarLoop]: Abstraction has 2689 states and 3992 transitions. [2024-10-14 21:17:14,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:14,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 3992 transitions. [2024-10-14 21:17:14,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-14 21:17:14,291 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:14,292 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:14,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 21:17:14,292 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:14,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:14,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1998404698, now seen corresponding path program 1 times [2024-10-14 21:17:14,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:14,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981750430] [2024-10-14 21:17:14,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:14,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:17:14,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:14,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981750430] [2024-10-14 21:17:14,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981750430] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:14,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:14,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 21:17:14,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393580676] [2024-10-14 21:17:14,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:14,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:17:14,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:14,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:17:14,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:17:14,411 INFO L87 Difference]: Start difference. First operand 2689 states and 3992 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:15,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:15,115 INFO L93 Difference]: Finished difference Result 5863 states and 8830 transitions. [2024-10-14 21:17:15,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 21:17:15,116 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-10-14 21:17:15,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:15,137 INFO L225 Difference]: With dead ends: 5863 [2024-10-14 21:17:15,137 INFO L226 Difference]: Without dead ends: 3183 [2024-10-14 21:17:15,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:17:15,149 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 147 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:15,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 436 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 21:17:15,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3183 states. [2024-10-14 21:17:15,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3183 to 2741. [2024-10-14 21:17:15,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2741 states, 2283 states have (on average 1.4783180026281209) internal successors, (3375), 2322 states have internal predecessors, (3375), 272 states have call successors, (272), 156 states have call predecessors, (272), 180 states have return successors, (397), 278 states have call predecessors, (397), 272 states have call successors, (397) [2024-10-14 21:17:15,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2741 states and 4044 transitions. [2024-10-14 21:17:15,418 INFO L78 Accepts]: Start accepts. Automaton has 2741 states and 4044 transitions. Word has length 60 [2024-10-14 21:17:15,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:15,419 INFO L471 AbstractCegarLoop]: Abstraction has 2741 states and 4044 transitions. [2024-10-14 21:17:15,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:15,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 4044 transitions. [2024-10-14 21:17:15,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-14 21:17:15,423 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:15,423 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:15,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 21:17:15,424 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:15,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:15,424 INFO L85 PathProgramCache]: Analyzing trace with hash -2021802984, now seen corresponding path program 1 times [2024-10-14 21:17:15,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:15,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789878935] [2024-10-14 21:17:15,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:15,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:17:15,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:15,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789878935] [2024-10-14 21:17:15,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789878935] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:15,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:15,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 21:17:15,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101477360] [2024-10-14 21:17:15,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:15,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 21:17:15,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:15,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 21:17:15,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 21:17:15,557 INFO L87 Difference]: Start difference. First operand 2741 states and 4044 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:17,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:17,347 INFO L93 Difference]: Finished difference Result 9850 states and 14822 transitions. [2024-10-14 21:17:17,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 21:17:17,348 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-10-14 21:17:17,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:17,388 INFO L225 Difference]: With dead ends: 9850 [2024-10-14 21:17:17,388 INFO L226 Difference]: Without dead ends: 7118 [2024-10-14 21:17:17,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2024-10-14 21:17:17,399 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1009 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1029 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:17,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1029 Valid, 603 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 21:17:17,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7118 states. [2024-10-14 21:17:18,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7118 to 6117. [2024-10-14 21:17:18,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6117 states, 5087 states have (on average 1.4643208177707883) internal successors, (7449), 5185 states have internal predecessors, (7449), 606 states have call successors, (606), 362 states have call predecessors, (606), 418 states have return successors, (986), 585 states have call predecessors, (986), 606 states have call successors, (986) [2024-10-14 21:17:18,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6117 states to 6117 states and 9041 transitions. [2024-10-14 21:17:18,044 INFO L78 Accepts]: Start accepts. Automaton has 6117 states and 9041 transitions. Word has length 60 [2024-10-14 21:17:18,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:18,045 INFO L471 AbstractCegarLoop]: Abstraction has 6117 states and 9041 transitions. [2024-10-14 21:17:18,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:18,045 INFO L276 IsEmpty]: Start isEmpty. Operand 6117 states and 9041 transitions. [2024-10-14 21:17:18,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-14 21:17:18,048 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:18,048 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:18,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 21:17:18,049 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:18,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:18,049 INFO L85 PathProgramCache]: Analyzing trace with hash -2078947209, now seen corresponding path program 1 times [2024-10-14 21:17:18,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:18,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671612270] [2024-10-14 21:17:18,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:18,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:18,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:18,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:18,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:18,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:18,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:18,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:17:18,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:18,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671612270] [2024-10-14 21:17:18,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671612270] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:18,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:18,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 21:17:18,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526751587] [2024-10-14 21:17:18,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:18,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:17:18,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:18,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:17:18,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:17:18,149 INFO L87 Difference]: Start difference. First operand 6117 states and 9041 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:19,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:19,087 INFO L93 Difference]: Finished difference Result 13278 states and 20073 transitions. [2024-10-14 21:17:19,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 21:17:19,088 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-10-14 21:17:19,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:19,133 INFO L225 Difference]: With dead ends: 13278 [2024-10-14 21:17:19,134 INFO L226 Difference]: Without dead ends: 7170 [2024-10-14 21:17:19,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:17:19,152 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 149 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:19,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 431 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 21:17:19,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7170 states. [2024-10-14 21:17:19,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7170 to 6187. [2024-10-14 21:17:19,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6187 states, 5157 states have (on average 1.4529765367461702) internal successors, (7493), 5255 states have internal predecessors, (7493), 606 states have call successors, (606), 362 states have call predecessors, (606), 418 states have return successors, (986), 585 states have call predecessors, (986), 606 states have call successors, (986) [2024-10-14 21:17:19,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6187 states to 6187 states and 9085 transitions. [2024-10-14 21:17:19,703 INFO L78 Accepts]: Start accepts. Automaton has 6187 states and 9085 transitions. Word has length 60 [2024-10-14 21:17:19,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:19,704 INFO L471 AbstractCegarLoop]: Abstraction has 6187 states and 9085 transitions. [2024-10-14 21:17:19,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:19,705 INFO L276 IsEmpty]: Start isEmpty. Operand 6187 states and 9085 transitions. [2024-10-14 21:17:19,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-14 21:17:19,711 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:19,711 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:19,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 21:17:19,711 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:19,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:19,712 INFO L85 PathProgramCache]: Analyzing trace with hash -155719175, now seen corresponding path program 1 times [2024-10-14 21:17:19,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:19,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390678889] [2024-10-14 21:17:19,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:19,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:19,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:19,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:19,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:19,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:19,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:19,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:17:19,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:19,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390678889] [2024-10-14 21:17:19,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390678889] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:19,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:19,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 21:17:19,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332810131] [2024-10-14 21:17:19,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:19,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 21:17:19,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:19,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 21:17:19,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 21:17:19,850 INFO L87 Difference]: Start difference. First operand 6187 states and 9085 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:21,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:21,073 INFO L93 Difference]: Finished difference Result 8113 states and 11998 transitions. [2024-10-14 21:17:21,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 21:17:21,074 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-10-14 21:17:21,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:21,114 INFO L225 Difference]: With dead ends: 8113 [2024-10-14 21:17:21,115 INFO L226 Difference]: Without dead ends: 4669 [2024-10-14 21:17:21,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-10-14 21:17:21,130 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 525 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:21,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 565 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 21:17:21,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4669 states. [2024-10-14 21:17:21,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4669 to 3821. [2024-10-14 21:17:21,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3821 states, 3174 states have (on average 1.4350976685570258) internal successors, (4555), 3232 states have internal predecessors, (4555), 387 states have call successors, (387), 226 states have call predecessors, (387), 254 states have return successors, (556), 370 states have call predecessors, (556), 387 states have call successors, (556) [2024-10-14 21:17:21,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3821 states to 3821 states and 5498 transitions. [2024-10-14 21:17:21,624 INFO L78 Accepts]: Start accepts. Automaton has 3821 states and 5498 transitions. Word has length 60 [2024-10-14 21:17:21,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:21,625 INFO L471 AbstractCegarLoop]: Abstraction has 3821 states and 5498 transitions. [2024-10-14 21:17:21,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:21,625 INFO L276 IsEmpty]: Start isEmpty. Operand 3821 states and 5498 transitions. [2024-10-14 21:17:21,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-14 21:17:21,627 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:21,627 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:21,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 21:17:21,627 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:21,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:21,628 INFO L85 PathProgramCache]: Analyzing trace with hash 63135543, now seen corresponding path program 1 times [2024-10-14 21:17:21,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:21,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5286990] [2024-10-14 21:17:21,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:21,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:21,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:21,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:21,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:21,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:21,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:21,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:17:21,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:21,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5286990] [2024-10-14 21:17:21,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5286990] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:21,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:21,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 21:17:21,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267538319] [2024-10-14 21:17:21,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:21,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 21:17:21,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:21,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 21:17:21,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 21:17:21,769 INFO L87 Difference]: Start difference. First operand 3821 states and 5498 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:23,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:23,114 INFO L93 Difference]: Finished difference Result 11820 states and 17174 transitions. [2024-10-14 21:17:23,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 21:17:23,115 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-10-14 21:17:23,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:23,146 INFO L225 Difference]: With dead ends: 11820 [2024-10-14 21:17:23,146 INFO L226 Difference]: Without dead ends: 8009 [2024-10-14 21:17:23,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2024-10-14 21:17:23,159 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 554 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:23,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 564 Invalid, 882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 21:17:23,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8009 states. [2024-10-14 21:17:23,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8009 to 6565. [2024-10-14 21:17:23,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6565 states, 5447 states have (on average 1.416926748668992) internal successors, (7718), 5572 states have internal predecessors, (7718), 643 states have call successors, (643), 390 states have call predecessors, (643), 469 states have return successors, (994), 618 states have call predecessors, (994), 643 states have call successors, (994) [2024-10-14 21:17:23,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6565 states to 6565 states and 9355 transitions. [2024-10-14 21:17:23,592 INFO L78 Accepts]: Start accepts. Automaton has 6565 states and 9355 transitions. Word has length 60 [2024-10-14 21:17:23,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:23,593 INFO L471 AbstractCegarLoop]: Abstraction has 6565 states and 9355 transitions. [2024-10-14 21:17:23,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:23,593 INFO L276 IsEmpty]: Start isEmpty. Operand 6565 states and 9355 transitions. [2024-10-14 21:17:23,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-14 21:17:23,596 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:23,596 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:23,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 21:17:23,596 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:23,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:23,597 INFO L85 PathProgramCache]: Analyzing trace with hash -754512907, now seen corresponding path program 1 times [2024-10-14 21:17:23,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:23,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453923448] [2024-10-14 21:17:23,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:23,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:23,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:23,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:23,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:23,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:23,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:23,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:17:23,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:23,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453923448] [2024-10-14 21:17:23,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453923448] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:23,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:23,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 21:17:23,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426951233] [2024-10-14 21:17:23,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:23,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 21:17:23,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:23,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 21:17:23,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 21:17:23,758 INFO L87 Difference]: Start difference. First operand 6565 states and 9355 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:24,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:24,810 INFO L93 Difference]: Finished difference Result 12056 states and 17144 transitions. [2024-10-14 21:17:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 21:17:24,811 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-10-14 21:17:24,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:24,891 INFO L225 Difference]: With dead ends: 12056 [2024-10-14 21:17:24,892 INFO L226 Difference]: Without dead ends: 6941 [2024-10-14 21:17:24,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2024-10-14 21:17:24,907 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 603 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:24,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 496 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 21:17:24,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6941 states. [2024-10-14 21:17:25,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6941 to 5433. [2024-10-14 21:17:25,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5433 states, 4527 states have (on average 1.3943008614976806) internal successors, (6312), 4628 states have internal predecessors, (6312), 519 states have call successors, (519), 326 states have call predecessors, (519), 381 states have return successors, (774), 486 states have call predecessors, (774), 519 states have call successors, (774) [2024-10-14 21:17:25,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5433 states to 5433 states and 7605 transitions. [2024-10-14 21:17:25,572 INFO L78 Accepts]: Start accepts. Automaton has 5433 states and 7605 transitions. Word has length 60 [2024-10-14 21:17:25,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:25,572 INFO L471 AbstractCegarLoop]: Abstraction has 5433 states and 7605 transitions. [2024-10-14 21:17:25,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:25,573 INFO L276 IsEmpty]: Start isEmpty. Operand 5433 states and 7605 transitions. [2024-10-14 21:17:25,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-14 21:17:25,575 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:25,575 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:25,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 21:17:25,575 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:25,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:25,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1851510647, now seen corresponding path program 1 times [2024-10-14 21:17:25,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:25,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038497331] [2024-10-14 21:17:25,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:25,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:25,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:25,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:25,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:25,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:25,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:25,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:17:25,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:25,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038497331] [2024-10-14 21:17:25,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038497331] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:25,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:25,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 21:17:25,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417390740] [2024-10-14 21:17:25,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:25,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 21:17:25,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:25,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 21:17:25,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 21:17:25,726 INFO L87 Difference]: Start difference. First operand 5433 states and 7605 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:27,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:27,040 INFO L93 Difference]: Finished difference Result 10188 states and 14365 transitions. [2024-10-14 21:17:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 21:17:27,041 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-10-14 21:17:27,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:27,075 INFO L225 Difference]: With dead ends: 10188 [2024-10-14 21:17:27,076 INFO L226 Difference]: Without dead ends: 6891 [2024-10-14 21:17:27,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2024-10-14 21:17:27,090 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 649 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:27,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 493 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 21:17:27,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6891 states. [2024-10-14 21:17:27,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6891 to 5400. [2024-10-14 21:17:27,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5400 states, 4504 states have (on average 1.3872113676731794) internal successors, (6248), 4595 states have internal predecessors, (6248), 519 states have call successors, (519), 326 states have call predecessors, (519), 371 states have return successors, (730), 482 states have call predecessors, (730), 519 states have call successors, (730) [2024-10-14 21:17:27,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5400 states to 5400 states and 7497 transitions. [2024-10-14 21:17:27,581 INFO L78 Accepts]: Start accepts. Automaton has 5400 states and 7497 transitions. Word has length 60 [2024-10-14 21:17:27,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:27,582 INFO L471 AbstractCegarLoop]: Abstraction has 5400 states and 7497 transitions. [2024-10-14 21:17:27,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:27,582 INFO L276 IsEmpty]: Start isEmpty. Operand 5400 states and 7497 transitions. [2024-10-14 21:17:27,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-14 21:17:27,583 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:27,583 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:27,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 21:17:27,584 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:27,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:27,584 INFO L85 PathProgramCache]: Analyzing trace with hash -142634059, now seen corresponding path program 1 times [2024-10-14 21:17:27,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:27,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633266192] [2024-10-14 21:17:27,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:27,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:27,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:27,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:27,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:27,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:27,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:27,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:17:27,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:27,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633266192] [2024-10-14 21:17:27,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633266192] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:27,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:27,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 21:17:27,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474231295] [2024-10-14 21:17:27,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:27,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:17:27,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:27,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:17:27,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:17:27,668 INFO L87 Difference]: Start difference. First operand 5400 states and 7497 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:28,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:28,814 INFO L93 Difference]: Finished difference Result 15358 states and 21727 transitions. [2024-10-14 21:17:28,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 21:17:28,814 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-10-14 21:17:28,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:28,853 INFO L225 Difference]: With dead ends: 15358 [2024-10-14 21:17:28,853 INFO L226 Difference]: Without dead ends: 9970 [2024-10-14 21:17:28,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-14 21:17:28,866 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 468 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:28,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 378 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 21:17:28,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9970 states. [2024-10-14 21:17:29,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9970 to 8412. [2024-10-14 21:17:29,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8412 states, 7020 states have (on average 1.3749287749287749) internal successors, (9652), 7148 states have internal predecessors, (9652), 788 states have call successors, (788), 506 states have call predecessors, (788), 598 states have return successors, (1266), 761 states have call predecessors, (1266), 788 states have call successors, (1266) [2024-10-14 21:17:29,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8412 states to 8412 states and 11706 transitions. [2024-10-14 21:17:29,547 INFO L78 Accepts]: Start accepts. Automaton has 8412 states and 11706 transitions. Word has length 60 [2024-10-14 21:17:29,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:29,548 INFO L471 AbstractCegarLoop]: Abstraction has 8412 states and 11706 transitions. [2024-10-14 21:17:29,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:29,548 INFO L276 IsEmpty]: Start isEmpty. Operand 8412 states and 11706 transitions. [2024-10-14 21:17:29,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-14 21:17:29,549 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:29,549 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:29,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 21:17:29,549 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:29,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:29,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1969753673, now seen corresponding path program 1 times [2024-10-14 21:17:29,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:29,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488928258] [2024-10-14 21:17:29,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:29,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:29,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:29,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:29,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:29,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:29,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:29,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:17:29,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:29,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488928258] [2024-10-14 21:17:29,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488928258] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:29,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:29,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 21:17:29,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046165155] [2024-10-14 21:17:29,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:29,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:17:29,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:29,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:17:29,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:17:29,616 INFO L87 Difference]: Start difference. First operand 8412 states and 11706 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 21:17:30,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:30,965 INFO L93 Difference]: Finished difference Result 23750 states and 33333 transitions. [2024-10-14 21:17:30,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 21:17:30,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2024-10-14 21:17:30,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:31,045 INFO L225 Difference]: With dead ends: 23750 [2024-10-14 21:17:31,046 INFO L226 Difference]: Without dead ends: 15260 [2024-10-14 21:17:31,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-14 21:17:31,076 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 459 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:31,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 318 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 21:17:31,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15260 states. [2024-10-14 21:17:32,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15260 to 12980. [2024-10-14 21:17:32,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12980 states, 10804 states have (on average 1.356164383561644) internal successors, (14652), 11002 states have internal predecessors, (14652), 1224 states have call successors, (1224), 800 states have call predecessors, (1224), 946 states have return successors, (1951), 1181 states have call predecessors, (1951), 1224 states have call successors, (1951) [2024-10-14 21:17:32,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12980 states to 12980 states and 17827 transitions. [2024-10-14 21:17:32,509 INFO L78 Accepts]: Start accepts. Automaton has 12980 states and 17827 transitions. Word has length 62 [2024-10-14 21:17:32,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:32,509 INFO L471 AbstractCegarLoop]: Abstraction has 12980 states and 17827 transitions. [2024-10-14 21:17:32,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-14 21:17:32,510 INFO L276 IsEmpty]: Start isEmpty. Operand 12980 states and 17827 transitions. [2024-10-14 21:17:32,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 21:17:32,512 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:32,513 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:32,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 21:17:32,513 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:32,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:32,514 INFO L85 PathProgramCache]: Analyzing trace with hash -2115358801, now seen corresponding path program 1 times [2024-10-14 21:17:32,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:32,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210282970] [2024-10-14 21:17:32,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:32,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:32,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:32,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:32,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:32,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:32,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:32,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 21:17:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:32,607 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:17:32,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:32,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210282970] [2024-10-14 21:17:32,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210282970] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:32,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:32,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 21:17:32,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435973216] [2024-10-14 21:17:32,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:32,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:17:32,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:32,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:17:32,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:17:32,609 INFO L87 Difference]: Start difference. First operand 12980 states and 17827 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 21:17:35,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:35,199 INFO L93 Difference]: Finished difference Result 42794 states and 59323 transitions. [2024-10-14 21:17:35,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 21:17:35,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 80 [2024-10-14 21:17:35,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:35,336 INFO L225 Difference]: With dead ends: 42794 [2024-10-14 21:17:35,337 INFO L226 Difference]: Without dead ends: 29826 [2024-10-14 21:17:35,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-14 21:17:35,375 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 549 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:35,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 368 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 21:17:35,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29826 states. [2024-10-14 21:17:37,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29826 to 25522. [2024-10-14 21:17:37,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25522 states, 21085 states have (on average 1.3373962532606118) internal successors, (28199), 21588 states have internal predecessors, (28199), 2379 states have call successors, (2379), 1582 states have call predecessors, (2379), 2052 states have return successors, (4447), 2359 states have call predecessors, (4447), 2379 states have call successors, (4447) [2024-10-14 21:17:37,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25522 states to 25522 states and 35025 transitions. [2024-10-14 21:17:37,730 INFO L78 Accepts]: Start accepts. Automaton has 25522 states and 35025 transitions. Word has length 80 [2024-10-14 21:17:37,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:37,730 INFO L471 AbstractCegarLoop]: Abstraction has 25522 states and 35025 transitions. [2024-10-14 21:17:37,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 21:17:37,731 INFO L276 IsEmpty]: Start isEmpty. Operand 25522 states and 35025 transitions. [2024-10-14 21:17:37,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 21:17:37,735 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:37,736 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:37,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 21:17:37,736 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:37,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:37,737 INFO L85 PathProgramCache]: Analyzing trace with hash 268565937, now seen corresponding path program 1 times [2024-10-14 21:17:37,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:37,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186950890] [2024-10-14 21:17:37,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:37,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:37,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:37,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:37,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:37,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:37,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:37,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 21:17:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:37,821 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-14 21:17:37,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:37,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186950890] [2024-10-14 21:17:37,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186950890] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:37,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:37,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 21:17:37,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116705007] [2024-10-14 21:17:37,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:37,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:17:37,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:37,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:17:37,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:17:37,825 INFO L87 Difference]: Start difference. First operand 25522 states and 35025 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:41,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:41,074 INFO L93 Difference]: Finished difference Result 53346 states and 73835 transitions. [2024-10-14 21:17:41,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:17:41,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 80 [2024-10-14 21:17:41,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:41,217 INFO L225 Difference]: With dead ends: 53346 [2024-10-14 21:17:41,217 INFO L226 Difference]: Without dead ends: 27836 [2024-10-14 21:17:41,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 21:17:41,274 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 354 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:41,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 237 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 21:17:41,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27836 states. [2024-10-14 21:17:43,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27836 to 23840. [2024-10-14 21:17:43,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23840 states, 19698 states have (on average 1.343994314143568) internal successors, (26474), 20170 states have internal predecessors, (26474), 2216 states have call successors, (2216), 1464 states have call predecessors, (2216), 1920 states have return successors, (4255), 2209 states have call predecessors, (4255), 2216 states have call successors, (4255) [2024-10-14 21:17:44,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23840 states to 23840 states and 32945 transitions. [2024-10-14 21:17:44,069 INFO L78 Accepts]: Start accepts. Automaton has 23840 states and 32945 transitions. Word has length 80 [2024-10-14 21:17:44,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:44,070 INFO L471 AbstractCegarLoop]: Abstraction has 23840 states and 32945 transitions. [2024-10-14 21:17:44,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:44,070 INFO L276 IsEmpty]: Start isEmpty. Operand 23840 states and 32945 transitions. [2024-10-14 21:17:44,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-14 21:17:44,072 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:44,072 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:44,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 21:17:44,073 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:44,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:44,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1844874981, now seen corresponding path program 1 times [2024-10-14 21:17:44,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:44,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811398745] [2024-10-14 21:17:44,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:44,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:44,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:44,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:44,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:44,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:44,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:44,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 21:17:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:44,166 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-14 21:17:44,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:44,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811398745] [2024-10-14 21:17:44,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811398745] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:44,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:44,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 21:17:44,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321394579] [2024-10-14 21:17:44,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:44,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:17:44,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:44,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:17:44,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:17:44,168 INFO L87 Difference]: Start difference. First operand 23840 states and 32945 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 21:17:49,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:49,090 INFO L93 Difference]: Finished difference Result 77431 states and 107839 transitions. [2024-10-14 21:17:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 21:17:49,090 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 81 [2024-10-14 21:17:49,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:49,379 INFO L225 Difference]: With dead ends: 77431 [2024-10-14 21:17:49,380 INFO L226 Difference]: Without dead ends: 53603 [2024-10-14 21:17:49,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-14 21:17:49,454 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 535 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:49,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 444 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 21:17:49,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53603 states. [2024-10-14 21:17:54,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53603 to 48335. [2024-10-14 21:17:54,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48335 states, 39808 states have (on average 1.324231310289389) internal successors, (52715), 41017 states have internal predecessors, (52715), 4299 states have call successors, (4299), 2886 states have call predecessors, (4299), 4222 states have return successors, (9590), 4439 states have call predecessors, (9590), 4299 states have call successors, (9590) [2024-10-14 21:17:54,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48335 states to 48335 states and 66604 transitions. [2024-10-14 21:17:54,700 INFO L78 Accepts]: Start accepts. Automaton has 48335 states and 66604 transitions. Word has length 81 [2024-10-14 21:17:54,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:54,700 INFO L471 AbstractCegarLoop]: Abstraction has 48335 states and 66604 transitions. [2024-10-14 21:17:54,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 21:17:54,701 INFO L276 IsEmpty]: Start isEmpty. Operand 48335 states and 66604 transitions. [2024-10-14 21:17:54,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-14 21:17:54,704 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:54,704 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:17:54,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 21:17:54,705 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 21:17:54,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:54,705 INFO L85 PathProgramCache]: Analyzing trace with hash -715987865, now seen corresponding path program 1 times [2024-10-14 21:17:54,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:54,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172082448] [2024-10-14 21:17:54,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:54,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:54,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:54,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:54,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 21:17:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:54,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:54,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:17:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:54,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 21:17:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-14 21:17:54,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:54,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172082448] [2024-10-14 21:17:54,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172082448] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:54,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:54,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 21:17:54,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228575792] [2024-10-14 21:17:54,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:54,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:17:54,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:54,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:17:54,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:17:54,761 INFO L87 Difference]: Start difference. First operand 48335 states and 66604 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 21:17:59,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:59,537 INFO L93 Difference]: Finished difference Result 94022 states and 130063 transitions. [2024-10-14 21:17:59,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:17:59,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 81 [2024-10-14 21:17:59,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:59,786 INFO L225 Difference]: With dead ends: 94022 [2024-10-14 21:17:59,787 INFO L226 Difference]: Without dead ends: 45699 [2024-10-14 21:17:59,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 21:17:59,896 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 356 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:59,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 235 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 21:17:59,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45699 states.