./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 fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/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.dd.update-z3-fca748b-m [2024-11-20 19:10:42,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 19:10:42,401 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 19:10:42,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 19:10:42,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 19:10:42,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 19:10:42,439 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 19:10:42,439 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 19:10:42,440 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 19:10:42,441 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 19:10:42,441 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 19:10:42,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 19:10:42,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 19:10:42,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 19:10:42,445 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 19:10:42,446 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 19:10:42,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 19:10:42,447 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 19:10:42,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 19:10:42,447 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 19:10:42,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 19:10:42,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 19:10:42,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 19:10:42,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 19:10:42,450 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 19:10:42,450 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 19:10:42,450 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 19:10:42,450 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 19:10:42,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 19:10:42,451 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 19:10:42,451 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 19:10:42,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 19:10:42,451 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 19:10:42,452 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 19:10:42,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 19:10:42,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 19:10:42,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 19:10:42,452 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 19:10:42,453 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 19:10:42,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 19:10:42,453 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 19:10:42,454 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 19:10:42,454 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 19:10:42,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 19:10:42,455 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44ef362a593e25f5681bc4a034b065cd86559bd3dd750386bca2a1f270891ccd [2024-11-20 19:10:42,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 19:10:42,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 19:10:42,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 19:10:42,711 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 19:10:42,712 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 19:10:42,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.02.cil-1.c [2024-11-20 19:10:44,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 19:10:44,234 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 19:10:44,234 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.02.cil-1.c [2024-11-20 19:10:44,244 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff0cdd177/feac5373009b4bb68fb7ec0b338056c3/FLAG97e770f38 [2024-11-20 19:10:44,256 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff0cdd177/feac5373009b4bb68fb7ec0b338056c3 [2024-11-20 19:10:44,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 19:10:44,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 19:10:44,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 19:10:44,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 19:10:44,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 19:10:44,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:10:44" (1/1) ... [2024-11-20 19:10:44,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318766ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:44, skipping insertion in model container [2024-11-20 19:10:44,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:10:44" (1/1) ... [2024-11-20 19:10:44,305 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 19:10:44,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 19:10:44,619 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 19:10:44,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 19:10:44,682 INFO L204 MainTranslator]: Completed translation [2024-11-20 19:10:44,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:44 WrapperNode [2024-11-20 19:10:44,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 19:10:44,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 19:10:44,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 19:10:44,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 19:10:44,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:44" (1/1) ... [2024-11-20 19:10:44,703 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:44" (1/1) ... [2024-11-20 19:10:44,741 INFO L138 Inliner]: procedures = 32, calls = 38, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 286 [2024-11-20 19:10:44,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 19:10:44,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 19:10:44,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 19:10:44,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 19:10:44,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:44" (1/1) ... [2024-11-20 19:10:44,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:44" (1/1) ... [2024-11-20 19:10:44,756 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:44" (1/1) ... [2024-11-20 19:10:44,770 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]. [2024-11-20 19:10:44,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:44" (1/1) ... [2024-11-20 19:10:44,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:44" (1/1) ... [2024-11-20 19:10:44,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:44" (1/1) ... [2024-11-20 19:10:44,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:44" (1/1) ... [2024-11-20 19:10:44,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:44" (1/1) ... [2024-11-20 19:10:44,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:44" (1/1) ... [2024-11-20 19:10:44,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 19:10:44,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 19:10:44,798 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 19:10:44,798 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 19:10:44,799 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:44" (1/1) ... [2024-11-20 19:10:44,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 19:10:44,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 19:10:44,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 19:10:44,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 19:10:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 19:10:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-20 19:10:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-20 19:10:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-20 19:10:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-20 19:10:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-20 19:10:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-20 19:10:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-20 19:10:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-20 19:10:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-20 19:10:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-20 19:10:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 19:10:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-20 19:10:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-20 19:10:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 19:10:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 19:10:44,954 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 19:10:44,957 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 19:10:45,346 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-20 19:10:45,347 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 19:10:45,368 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 19:10:45,368 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-20 19:10:45,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:10:45 BoogieIcfgContainer [2024-11-20 19:10:45,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 19:10:45,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 19:10:45,371 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 19:10:45,373 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 19:10:45,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:10:44" (1/3) ... [2024-11-20 19:10:45,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3accaee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:10:45, skipping insertion in model container [2024-11-20 19:10:45,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:44" (2/3) ... [2024-11-20 19:10:45,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3accaee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:10:45, skipping insertion in model container [2024-11-20 19:10:45,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:10:45" (3/3) ... [2024-11-20 19:10:45,376 INFO L112 eAbstractionObserver]: Analyzing ICFG token_ring.02.cil-1.c [2024-11-20 19:10:45,393 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 19:10:45,394 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-20 19:10:45,449 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 19:10:45,454 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;@3bce66c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 19:10:45,455 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-20 19:10:45,461 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 116 states have (on average 1.5689655172413792) internal successors, (182), 123 states have internal predecessors, (182), 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) [2024-11-20 19:10:45,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-20 19:10:45,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:10:45,473 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, 1, 1, 1, 1] [2024-11-20 19:10:45,474 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 19:10:45,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:10:45,478 INFO L85 PathProgramCache]: Analyzing trace with hash -356340316, now seen corresponding path program 1 times [2024-11-20 19:10:45,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:10:45,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22649370] [2024-11-20 19:10:45,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:10:45,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:10:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:45,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:10:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:45,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:10:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:45,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:10:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:45,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:10:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:45,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:10:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:45,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 19:10:45,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:10:45,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22649370] [2024-11-20 19:10:45,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22649370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:10:45,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:10:45,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 19:10:45,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958186099] [2024-11-20 19:10:45,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:10:45,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 19:10:45,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:10:45,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 19:10:45,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 19:10:45,880 INFO L87 Difference]: Start difference. First operand has 145 states, 116 states have (on average 1.5689655172413792) internal successors, (182), 123 states have internal predecessors, (182), 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 11.2) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-11-20 19:10:46,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:10:46,449 INFO L93 Difference]: Finished difference Result 314 states and 473 transitions. [2024-11-20 19:10:46,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 19:10:46,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 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 66 [2024-11-20 19:10:46,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:10:46,466 INFO L225 Difference]: With dead ends: 314 [2024-11-20 19:10:46,466 INFO L226 Difference]: Without dead ends: 170 [2024-11-20 19:10:46,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 19:10:46,473 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 300 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 19:10:46,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 300 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 19:10:46,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-20 19:10:46,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 138. [2024-11-20 19:10:46,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 110 states have (on average 1.481818181818182) internal successors, (163), 116 states have internal predecessors, (163), 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) [2024-11-20 19:10:46,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 195 transitions. [2024-11-20 19:10:46,523 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 195 transitions. Word has length 66 [2024-11-20 19:10:46,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:10:46,526 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 195 transitions. [2024-11-20 19:10:46,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-11-20 19:10:46,527 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 195 transitions. [2024-11-20 19:10:46,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-20 19:10:46,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:10:46,530 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, 1, 1, 1, 1] [2024-11-20 19:10:46,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 19:10:46,531 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 19:10:46,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:10:46,533 INFO L85 PathProgramCache]: Analyzing trace with hash -917040094, now seen corresponding path program 1 times [2024-11-20 19:10:46,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:10:46,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133777468] [2024-11-20 19:10:46,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:10:46,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:10:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:46,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:10:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:46,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:10:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:46,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:10:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:46,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:10:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:46,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:10:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:46,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 19:10:46,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:10:46,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133777468] [2024-11-20 19:10:46,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133777468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:10:46,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:10:46,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 19:10:46,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55842477] [2024-11-20 19:10:46,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:10:46,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 19:10:46,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:10:46,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 19:10:46,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 19:10:46,807 INFO L87 Difference]: Start difference. First operand 138 states and 195 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-20 19:10:47,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:10:47,608 INFO L93 Difference]: Finished difference Result 456 states and 664 transitions. [2024-11-20 19:10:47,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 19:10:47,609 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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 66 [2024-11-20 19:10:47,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:10:47,615 INFO L225 Difference]: With dead ends: 456 [2024-11-20 19:10:47,616 INFO L226 Difference]: Without dead ends: 328 [2024-11-20 19:10:47,618 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 [2024-11-20 19:10:47,621 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 422 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 19:10:47,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 482 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 19:10:47,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-20 19:10:47,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 261. [2024-11-20 19:10:47,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 215 states have (on average 1.4930232558139536) internal successors, (321), 222 states have internal predecessors, (321), 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) [2024-11-20 19:10:47,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 378 transitions. [2024-11-20 19:10:47,675 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 378 transitions. Word has length 66 [2024-11-20 19:10:47,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:10:47,676 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 378 transitions. [2024-11-20 19:10:47,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-20 19:10:47,676 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 378 transitions. [2024-11-20 19:10:47,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-20 19:10:47,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:10:47,678 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, 1, 1, 1, 1] [2024-11-20 19:10:47,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 19:10:47,678 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 19:10:47,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:10:47,679 INFO L85 PathProgramCache]: Analyzing trace with hash -175034594, now seen corresponding path program 1 times [2024-11-20 19:10:47,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:10:47,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820073174] [2024-11-20 19:10:47,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:10:47,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:10:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:47,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:10:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:47,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:10:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:47,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:10:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:47,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:10:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:47,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:10:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:47,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 19:10:47,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:10:47,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820073174] [2024-11-20 19:10:47,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820073174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:10:47,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:10:47,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 19:10:47,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469878388] [2024-11-20 19:10:47,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:10:47,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 19:10:47,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:10:47,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 19:10:47,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 19:10:47,874 INFO L87 Difference]: Start difference. First operand 261 states and 378 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-20 19:10:48,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:10:48,828 INFO L93 Difference]: Finished difference Result 733 states and 1072 transitions. [2024-11-20 19:10:48,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 19:10:48,828 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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 66 [2024-11-20 19:10:48,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:10:48,836 INFO L225 Difference]: With dead ends: 733 [2024-11-20 19:10:48,836 INFO L226 Difference]: Without dead ends: 482 [2024-11-20 19:10:48,837 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 [2024-11-20 19:10:48,840 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 417 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 953 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 19:10:48,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 904 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 953 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 19:10:48,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-20 19:10:48,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 377. [2024-11-20 19:10:48,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 313 states have (on average 1.4856230031948883) internal successors, (465), 321 states have internal predecessors, (465), 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) [2024-11-20 19:10:48,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 546 transitions. [2024-11-20 19:10:48,900 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 546 transitions. Word has length 66 [2024-11-20 19:10:48,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:10:48,902 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 546 transitions. [2024-11-20 19:10:48,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-20 19:10:48,902 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 546 transitions. [2024-11-20 19:10:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-20 19:10:48,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:10:48,904 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, 1, 1, 1, 1] [2024-11-20 19:10:48,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 19:10:48,905 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 19:10:48,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:10:48,906 INFO L85 PathProgramCache]: Analyzing trace with hash 268866080, now seen corresponding path program 1 times [2024-11-20 19:10:48,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:10:48,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57206325] [2024-11-20 19:10:48,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:10:48,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:10:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:48,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:10:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:48,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:10:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:49,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:10:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:49,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:10:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:49,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:10:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:49,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 19:10:49,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:10:49,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57206325] [2024-11-20 19:10:49,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57206325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:10:49,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:10:49,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 19:10:49,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768498160] [2024-11-20 19:10:49,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:10:49,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 19:10:49,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:10:49,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 19:10:49,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 19:10:49,027 INFO L87 Difference]: Start difference. First operand 377 states and 546 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-20 19:10:49,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:10:49,859 INFO L93 Difference]: Finished difference Result 1140 states and 1672 transitions. [2024-11-20 19:10:49,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 19:10:49,860 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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 66 [2024-11-20 19:10:49,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:10:49,864 INFO L225 Difference]: With dead ends: 1140 [2024-11-20 19:10:49,864 INFO L226 Difference]: Without dead ends: 773 [2024-11-20 19:10:49,865 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 [2024-11-20 19:10:49,866 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 455 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 19:10:49,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 603 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 19:10:49,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2024-11-20 19:10:49,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 610. [2024-11-20 19:10:49,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 510 states have (on average 1.4784313725490197) internal successors, (754), 520 states have internal predecessors, (754), 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) [2024-11-20 19:10:49,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 887 transitions. [2024-11-20 19:10:49,918 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 887 transitions. Word has length 66 [2024-11-20 19:10:49,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:10:49,918 INFO L471 AbstractCegarLoop]: Abstraction has 610 states and 887 transitions. [2024-11-20 19:10:49,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-20 19:10:49,918 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 887 transitions. [2024-11-20 19:10:49,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-20 19:10:49,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:10:49,920 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, 1, 1, 1, 1] [2024-11-20 19:10:49,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 19:10:49,924 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)] === [2024-11-20 19:10:49,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:10:49,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1807206110, now seen corresponding path program 1 times [2024-11-20 19:10:49,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:10:49,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335405794] [2024-11-20 19:10:49,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:10:49,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:10:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:50,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:10:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:50,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:10:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:50,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:10:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:50,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:10:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:50,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:10:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 19:10:50,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:10:50,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335405794] [2024-11-20 19:10:50,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335405794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:10:50,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:10:50,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 19:10:50,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545448191] [2024-11-20 19:10:50,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:10:50,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 19:10:50,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:10:50,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 19:10:50,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 19:10:50,079 INFO L87 Difference]: Start difference. First operand 610 states and 887 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-20 19:10:51,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:10:51,142 INFO L93 Difference]: Finished difference Result 2026 states and 2975 transitions. [2024-11-20 19:10:51,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 19:10:51,143 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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 66 [2024-11-20 19:10:51,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:10:51,152 INFO L225 Difference]: With dead ends: 2026 [2024-11-20 19:10:51,153 INFO L226 Difference]: Without dead ends: 1426 [2024-11-20 19:10:51,155 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 [2024-11-20 19:10:51,156 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 427 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 1087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 19:10:51,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 888 Invalid, 1087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 19:10:51,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2024-11-20 19:10:51,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1042. [2024-11-20 19:10:51,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1042 states, 874 states have (on average 1.4759725400457666) internal successors, (1290), 888 states have internal predecessors, (1290), 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) [2024-11-20 19:10:51,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1525 transitions. [2024-11-20 19:10:51,244 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1525 transitions. Word has length 66 [2024-11-20 19:10:51,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:10:51,244 INFO L471 AbstractCegarLoop]: Abstraction has 1042 states and 1525 transitions. [2024-11-20 19:10:51,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-20 19:10:51,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1525 transitions. [2024-11-20 19:10:51,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-20 19:10:51,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:10:51,246 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, 1, 1, 1, 1] [2024-11-20 19:10:51,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 19:10:51,247 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 19:10:51,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:10:51,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1326125852, now seen corresponding path program 1 times [2024-11-20 19:10:51,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:10:51,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140709551] [2024-11-20 19:10:51,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:10:51,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:10:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:51,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:10:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:51,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:10:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:51,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:10:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:51,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:10:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:51,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:10:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:51,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 19:10:51,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:10:51,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140709551] [2024-11-20 19:10:51,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140709551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:10:51,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:10:51,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 19:10:51,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50989392] [2024-11-20 19:10:51,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:10:51,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 19:10:51,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:10:51,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 19:10:51,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 19:10:51,353 INFO L87 Difference]: Start difference. First operand 1042 states and 1525 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-20 19:10:52,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:10:52,332 INFO L93 Difference]: Finished difference Result 3484 states and 5123 transitions. [2024-11-20 19:10:52,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 19:10:52,333 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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 66 [2024-11-20 19:10:52,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:10:52,344 INFO L225 Difference]: With dead ends: 3484 [2024-11-20 19:10:52,345 INFO L226 Difference]: Without dead ends: 2452 [2024-11-20 19:10:52,348 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 [2024-11-20 19:10:52,348 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 429 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 19:10:52,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 892 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 19:10:52,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2452 states. [2024-11-20 19:10:52,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2452 to 1919. [2024-11-20 19:10:52,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1919 states, 1619 states have (on average 1.4700432365657814) internal successors, (2380), 1641 states have internal predecessors, (2380), 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) [2024-11-20 19:10:52,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1919 states and 2829 transitions. [2024-11-20 19:10:52,501 INFO L78 Accepts]: Start accepts. Automaton has 1919 states and 2829 transitions. Word has length 66 [2024-11-20 19:10:52,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:10:52,501 INFO L471 AbstractCegarLoop]: Abstraction has 1919 states and 2829 transitions. [2024-11-20 19:10:52,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-20 19:10:52,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 2829 transitions. [2024-11-20 19:10:52,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-20 19:10:52,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:10:52,504 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, 1, 1, 1, 1] [2024-11-20 19:10:52,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 19:10:52,505 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)] === [2024-11-20 19:10:52,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:10:52,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1310607134, now seen corresponding path program 1 times [2024-11-20 19:10:52,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:10:52,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248457119] [2024-11-20 19:10:52,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:10:52,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:10:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:52,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:10:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:52,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:10:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:52,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:10:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:52,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:10:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:52,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:10:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:52,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 19:10:52,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:10:52,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248457119] [2024-11-20 19:10:52,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248457119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:10:52,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:10:52,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 19:10:52,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673375849] [2024-11-20 19:10:52,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:10:52,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 19:10:52,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:10:52,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 19:10:52,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 19:10:52,610 INFO L87 Difference]: Start difference. First operand 1919 states and 2829 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-20 19:10:53,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:10:53,591 INFO L93 Difference]: Finished difference Result 5400 states and 7996 transitions. [2024-11-20 19:10:53,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 19:10:53,591 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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 66 [2024-11-20 19:10:53,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:10:53,607 INFO L225 Difference]: With dead ends: 5400 [2024-11-20 19:10:53,607 INFO L226 Difference]: Without dead ends: 3492 [2024-11-20 19:10:53,614 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 [2024-11-20 19:10:53,616 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 565 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 19:10:53,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 659 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 19:10:53,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3492 states. [2024-11-20 19:10:53,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3492 to 2901. [2024-11-20 19:10:53,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2901 states, 2443 states have (on average 1.4539500613999181) internal successors, (3552), 2482 states have internal predecessors, (3552), 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) [2024-11-20 19:10:53,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2901 states and 4221 transitions. [2024-11-20 19:10:53,787 INFO L78 Accepts]: Start accepts. Automaton has 2901 states and 4221 transitions. Word has length 66 [2024-11-20 19:10:53,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:10:53,789 INFO L471 AbstractCegarLoop]: Abstraction has 2901 states and 4221 transitions. [2024-11-20 19:10:53,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-20 19:10:53,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 4221 transitions. [2024-11-20 19:10:53,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-20 19:10:53,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:10:53,793 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, 1, 1, 1, 1, 1] [2024-11-20 19:10:53,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 19:10:53,794 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)] === [2024-11-20 19:10:53,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:10:53,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1595928332, now seen corresponding path program 1 times [2024-11-20 19:10:53,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:10:53,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118277488] [2024-11-20 19:10:53,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:10:53,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:10:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:53,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:10:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:53,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:10:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:53,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:10:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:53,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:10:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:53,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:10:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:53,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 19:10:53,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:10:53,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118277488] [2024-11-20 19:10:53,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118277488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:10:53,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:10:53,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 19:10:53,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088701135] [2024-11-20 19:10:53,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:10:53,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 19:10:53,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:10:53,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 19:10:53,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 19:10:53,977 INFO L87 Difference]: Start difference. First operand 2901 states and 4221 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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) [2024-11-20 19:10:54,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:10:54,648 INFO L93 Difference]: Finished difference Result 6277 states and 9252 transitions. [2024-11-20 19:10:54,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 19:10:54,649 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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 67 [2024-11-20 19:10:54,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:10:54,664 INFO L225 Difference]: With dead ends: 6277 [2024-11-20 19:10:54,665 INFO L226 Difference]: Without dead ends: 3387 [2024-11-20 19:10:54,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-20 19:10:54,672 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 147 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 19:10:54,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 615 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 19:10:54,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3387 states. [2024-11-20 19:10:54,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3387 to 2928. [2024-11-20 19:10:54,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2928 states, 2470 states have (on average 1.4421052631578948) internal successors, (3562), 2509 states have internal predecessors, (3562), 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) [2024-11-20 19:10:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2928 states and 4231 transitions. [2024-11-20 19:10:54,892 INFO L78 Accepts]: Start accepts. Automaton has 2928 states and 4231 transitions. Word has length 67 [2024-11-20 19:10:54,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:10:54,894 INFO L471 AbstractCegarLoop]: Abstraction has 2928 states and 4231 transitions. [2024-11-20 19:10:54,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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) [2024-11-20 19:10:54,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 4231 transitions. [2024-11-20 19:10:54,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-20 19:10:54,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:10:54,899 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, 1, 1, 1, 1, 1] [2024-11-20 19:10:54,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 19:10:54,900 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)] === [2024-11-20 19:10:54,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:10:54,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1172281610, now seen corresponding path program 1 times [2024-11-20 19:10:54,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:10:54,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242920008] [2024-11-20 19:10:54,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:10:54,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:10:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:54,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:10:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:54,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:10:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:54,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:10:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:55,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:10:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:55,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:10:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:55,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 19:10:55,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:10:55,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242920008] [2024-11-20 19:10:55,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242920008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:10:55,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:10:55,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 19:10:55,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014821107] [2024-11-20 19:10:55,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:10:55,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 19:10:55,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:10:55,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 19:10:55,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 19:10:55,017 INFO L87 Difference]: Start difference. First operand 2928 states and 4231 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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) [2024-11-20 19:10:55,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:10:55,662 INFO L93 Difference]: Finished difference Result 6409 states and 9376 transitions. [2024-11-20 19:10:55,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 19:10:55,662 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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 67 [2024-11-20 19:10:55,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:10:55,679 INFO L225 Difference]: With dead ends: 6409 [2024-11-20 19:10:55,679 INFO L226 Difference]: Without dead ends: 3492 [2024-11-20 19:10:55,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-20 19:10:55,687 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 160 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 19:10:55,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 615 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 19:10:55,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3492 states. [2024-11-20 19:10:55,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3492 to 3006. [2024-11-20 19:10:55,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3006 states, 2548 states have (on average 1.4285714285714286) internal successors, (3640), 2587 states have internal predecessors, (3640), 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) [2024-11-20 19:10:55,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 3006 states and 4309 transitions. [2024-11-20 19:10:55,886 INFO L78 Accepts]: Start accepts. Automaton has 3006 states and 4309 transitions. Word has length 67 [2024-11-20 19:10:55,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:10:55,886 INFO L471 AbstractCegarLoop]: Abstraction has 3006 states and 4309 transitions. [2024-11-20 19:10:55,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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) [2024-11-20 19:10:55,887 INFO L276 IsEmpty]: Start isEmpty. Operand 3006 states and 4309 transitions. [2024-11-20 19:10:55,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-20 19:10:55,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:10:55,889 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, 1, 1, 1, 1, 1] [2024-11-20 19:10:55,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 19:10:55,889 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)] === [2024-11-20 19:10:55,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:10:55,890 INFO L85 PathProgramCache]: Analyzing trace with hash -2016287112, now seen corresponding path program 1 times [2024-11-20 19:10:55,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:10:55,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130364028] [2024-11-20 19:10:55,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:10:55,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:10:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:55,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:10:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:55,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:10:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:55,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:10:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:55,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:10:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:55,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:10:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:56,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 19:10:56,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:10:56,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130364028] [2024-11-20 19:10:56,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130364028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:10:56,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:10:56,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 19:10:56,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056312041] [2024-11-20 19:10:56,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:10:56,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 19:10:56,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:10:56,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 19:10:56,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 19:10:56,002 INFO L87 Difference]: Start difference. First operand 3006 states and 4309 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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) [2024-11-20 19:10:57,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:10:57,504 INFO L93 Difference]: Finished difference Result 10802 states and 15774 transitions. [2024-11-20 19:10:57,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 19:10:57,505 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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 67 [2024-11-20 19:10:57,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:10:57,545 INFO L225 Difference]: With dead ends: 10802 [2024-11-20 19:10:57,546 INFO L226 Difference]: Without dead ends: 7807 [2024-11-20 19:10:57,557 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 [2024-11-20 19:10:57,558 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1079 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1097 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 19:10:57,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1097 Valid, 716 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 19:10:57,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7807 states. [2024-11-20 19:10:58,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7807 to 6701. [2024-11-20 19:10:58,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6701 states, 5671 states have (on average 1.4165050255686829) internal successors, (8033), 5769 states have internal predecessors, (8033), 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) [2024-11-20 19:10:58,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6701 states to 6701 states and 9625 transitions. [2024-11-20 19:10:58,060 INFO L78 Accepts]: Start accepts. Automaton has 6701 states and 9625 transitions. Word has length 67 [2024-11-20 19:10:58,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:10:58,062 INFO L471 AbstractCegarLoop]: Abstraction has 6701 states and 9625 transitions. [2024-11-20 19:10:58,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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) [2024-11-20 19:10:58,062 INFO L276 IsEmpty]: Start isEmpty. Operand 6701 states and 9625 transitions. [2024-11-20 19:10:58,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-20 19:10:58,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:10:58,065 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, 1, 1, 1, 1, 1] [2024-11-20 19:10:58,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 19:10:58,066 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)] === [2024-11-20 19:10:58,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:10:58,066 INFO L85 PathProgramCache]: Analyzing trace with hash 702122425, now seen corresponding path program 1 times [2024-11-20 19:10:58,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:10:58,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783727290] [2024-11-20 19:10:58,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:10:58,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:10:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:58,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:10:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:58,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:10:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:58,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:10:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:58,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:10:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:58,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:10:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:58,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 19:10:58,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:10:58,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783727290] [2024-11-20 19:10:58,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783727290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:10:58,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:10:58,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 19:10:58,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195662306] [2024-11-20 19:10:58,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:10:58,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 19:10:58,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:10:58,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 19:10:58,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 19:10:58,165 INFO L87 Difference]: Start difference. First operand 6701 states and 9625 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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) [2024-11-20 19:10:59,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:10:59,134 INFO L93 Difference]: Finished difference Result 14593 states and 21388 transitions. [2024-11-20 19:10:59,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 19:10:59,135 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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 67 [2024-11-20 19:10:59,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:10:59,189 INFO L225 Difference]: With dead ends: 14593 [2024-11-20 19:10:59,189 INFO L226 Difference]: Without dead ends: 7903 [2024-11-20 19:10:59,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-20 19:10:59,210 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 162 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 19:10:59,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 610 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 19:10:59,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7903 states. [2024-11-20 19:10:59,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7903 to 6806. [2024-11-20 19:10:59,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6806 states, 5776 states have (on average 1.4044321329639888) internal successors, (8112), 5874 states have internal predecessors, (8112), 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) [2024-11-20 19:10:59,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6806 states to 6806 states and 9704 transitions. [2024-11-20 19:10:59,837 INFO L78 Accepts]: Start accepts. Automaton has 6806 states and 9704 transitions. Word has length 67 [2024-11-20 19:10:59,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:10:59,838 INFO L471 AbstractCegarLoop]: Abstraction has 6806 states and 9704 transitions. [2024-11-20 19:10:59,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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) [2024-11-20 19:10:59,840 INFO L276 IsEmpty]: Start isEmpty. Operand 6806 states and 9704 transitions. [2024-11-20 19:10:59,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-20 19:10:59,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:10:59,842 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, 1, 1, 1, 1, 1] [2024-11-20 19:10:59,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 19:10:59,842 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)] === [2024-11-20 19:10:59,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:10:59,843 INFO L85 PathProgramCache]: Analyzing trace with hash 2088325819, now seen corresponding path program 1 times [2024-11-20 19:10:59,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:10:59,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122728972] [2024-11-20 19:10:59,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:10:59,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:10:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:59,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:10:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:59,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:10:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:59,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:10:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:59,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:10:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:59,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:10:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:10:59,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 19:10:59,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:10:59,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122728972] [2024-11-20 19:10:59,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122728972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:10:59,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:10:59,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 19:10:59,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123040218] [2024-11-20 19:10:59,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:10:59,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 19:10:59,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:10:59,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 19:10:59,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 19:10:59,984 INFO L87 Difference]: Start difference. First operand 6806 states and 9704 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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) [2024-11-20 19:11:00,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:11:00,825 INFO L93 Difference]: Finished difference Result 8913 states and 12798 transitions. [2024-11-20 19:11:00,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 19:11:00,825 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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 67 [2024-11-20 19:11:00,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:11:00,843 INFO L225 Difference]: With dead ends: 8913 [2024-11-20 19:11:00,844 INFO L226 Difference]: Without dead ends: 5132 [2024-11-20 19:11:00,851 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 [2024-11-20 19:11:00,852 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 556 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 19:11:00,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 669 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 19:11:00,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5132 states. [2024-11-20 19:11:01,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5132 to 4212. [2024-11-20 19:11:01,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4212 states, 3565 states have (on average 1.3873772791023844) internal successors, (4946), 3623 states have internal predecessors, (4946), 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) [2024-11-20 19:11:01,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4212 states to 4212 states and 5889 transitions. [2024-11-20 19:11:01,124 INFO L78 Accepts]: Start accepts. Automaton has 4212 states and 5889 transitions. Word has length 67 [2024-11-20 19:11:01,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:11:01,125 INFO L471 AbstractCegarLoop]: Abstraction has 4212 states and 5889 transitions. [2024-11-20 19:11:01,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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) [2024-11-20 19:11:01,126 INFO L276 IsEmpty]: Start isEmpty. Operand 4212 states and 5889 transitions. [2024-11-20 19:11:01,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-20 19:11:01,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:11:01,127 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, 1, 1, 1, 1, 1] [2024-11-20 19:11:01,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 19:11:01,128 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)] === [2024-11-20 19:11:01,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:11:01,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1954312313, now seen corresponding path program 1 times [2024-11-20 19:11:01,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:11:01,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829260167] [2024-11-20 19:11:01,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:11:01,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:11:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:01,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:11:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:01,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:11:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:01,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:11:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:01,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:11:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:01,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:11:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:01,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 19:11:01,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:11:01,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829260167] [2024-11-20 19:11:01,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829260167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:11:01,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:11:01,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 19:11:01,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538058381] [2024-11-20 19:11:01,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:11:01,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 19:11:01,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:11:01,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 19:11:01,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 19:11:01,261 INFO L87 Difference]: Start difference. First operand 4212 states and 5889 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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) [2024-11-20 19:11:02,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:11:02,506 INFO L93 Difference]: Finished difference Result 13028 states and 18382 transitions. [2024-11-20 19:11:02,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 19:11:02,507 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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 67 [2024-11-20 19:11:02,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:11:02,536 INFO L225 Difference]: With dead ends: 13028 [2024-11-20 19:11:02,536 INFO L226 Difference]: Without dead ends: 8828 [2024-11-20 19:11:02,549 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 [2024-11-20 19:11:02,549 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 727 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 19:11:02,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 587 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 19:11:02,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8828 states. [2024-11-20 19:11:03,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8828 to 7236. [2024-11-20 19:11:03,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7236 states, 6118 states have (on average 1.3711997384766264) internal successors, (8389), 6243 states have internal predecessors, (8389), 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) [2024-11-20 19:11:03,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7236 states to 7236 states and 10026 transitions. [2024-11-20 19:11:03,243 INFO L78 Accepts]: Start accepts. Automaton has 7236 states and 10026 transitions. Word has length 67 [2024-11-20 19:11:03,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:11:03,244 INFO L471 AbstractCegarLoop]: Abstraction has 7236 states and 10026 transitions. [2024-11-20 19:11:03,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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) [2024-11-20 19:11:03,244 INFO L276 IsEmpty]: Start isEmpty. Operand 7236 states and 10026 transitions. [2024-11-20 19:11:03,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-20 19:11:03,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:11:03,246 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, 1, 1, 1, 1, 1] [2024-11-20 19:11:03,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 19:11:03,247 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)] === [2024-11-20 19:11:03,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:11:03,247 INFO L85 PathProgramCache]: Analyzing trace with hash -2121800265, now seen corresponding path program 1 times [2024-11-20 19:11:03,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:11:03,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364102704] [2024-11-20 19:11:03,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:11:03,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:11:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:03,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:11:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:03,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:11:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:03,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:11:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:03,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:11:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:03,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:11:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:03,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 19:11:03,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:11:03,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364102704] [2024-11-20 19:11:03,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364102704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:11:03,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:11:03,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 19:11:03,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731755786] [2024-11-20 19:11:03,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:11:03,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 19:11:03,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:11:03,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 19:11:03,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 19:11:03,375 INFO L87 Difference]: Start difference. First operand 7236 states and 10026 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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) [2024-11-20 19:11:04,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:11:04,583 INFO L93 Difference]: Finished difference Result 13344 states and 18432 transitions. [2024-11-20 19:11:04,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 19:11:04,584 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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 67 [2024-11-20 19:11:04,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:11:04,612 INFO L225 Difference]: With dead ends: 13344 [2024-11-20 19:11:04,612 INFO L226 Difference]: Without dead ends: 7704 [2024-11-20 19:11:04,630 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 [2024-11-20 19:11:04,631 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 529 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 19:11:04,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 664 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 19:11:04,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7704 states. [2024-11-20 19:11:05,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7704 to 6032. [2024-11-20 19:11:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6032 states, 5126 states have (on average 1.348224736636754) internal successors, (6911), 5227 states have internal predecessors, (6911), 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) [2024-11-20 19:11:05,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6032 states to 6032 states and 8204 transitions. [2024-11-20 19:11:05,070 INFO L78 Accepts]: Start accepts. Automaton has 6032 states and 8204 transitions. Word has length 67 [2024-11-20 19:11:05,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:11:05,071 INFO L471 AbstractCegarLoop]: Abstraction has 6032 states and 8204 transitions. [2024-11-20 19:11:05,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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) [2024-11-20 19:11:05,071 INFO L276 IsEmpty]: Start isEmpty. Operand 6032 states and 8204 transitions. [2024-11-20 19:11:05,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-20 19:11:05,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:11:05,072 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, 1, 1, 1, 1, 1] [2024-11-20 19:11:05,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 19:11:05,073 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)] === [2024-11-20 19:11:05,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:11:05,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1699098439, now seen corresponding path program 1 times [2024-11-20 19:11:05,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:11:05,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481304797] [2024-11-20 19:11:05,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:11:05,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:11:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:05,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:11:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:05,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:11:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:05,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:11:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:05,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:11:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:05,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:11:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:05,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 19:11:05,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:11:05,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481304797] [2024-11-20 19:11:05,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481304797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:11:05,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:11:05,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 19:11:05,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887614841] [2024-11-20 19:11:05,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:11:05,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 19:11:05,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:11:05,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 19:11:05,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 19:11:05,189 INFO L87 Difference]: Start difference. First operand 6032 states and 8204 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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) [2024-11-20 19:11:06,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:11:06,364 INFO L93 Difference]: Finished difference Result 11296 states and 15473 transitions. [2024-11-20 19:11:06,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 19:11:06,365 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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 67 [2024-11-20 19:11:06,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:11:06,387 INFO L225 Difference]: With dead ends: 11296 [2024-11-20 19:11:06,387 INFO L226 Difference]: Without dead ends: 7646 [2024-11-20 19:11:06,393 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 [2024-11-20 19:11:06,393 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 564 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 19:11:06,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 664 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 19:11:06,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7646 states. [2024-11-20 19:11:06,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7646 to 5999. [2024-11-20 19:11:06,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5999 states, 5103 states have (on average 1.3417597491671567) internal successors, (6847), 5194 states have internal predecessors, (6847), 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) [2024-11-20 19:11:06,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5999 states to 5999 states and 8096 transitions. [2024-11-20 19:11:06,798 INFO L78 Accepts]: Start accepts. Automaton has 5999 states and 8096 transitions. Word has length 67 [2024-11-20 19:11:06,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:11:06,799 INFO L471 AbstractCegarLoop]: Abstraction has 5999 states and 8096 transitions. [2024-11-20 19:11:06,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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) [2024-11-20 19:11:06,799 INFO L276 IsEmpty]: Start isEmpty. Operand 5999 states and 8096 transitions. [2024-11-20 19:11:06,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-20 19:11:06,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:11:06,800 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, 1, 1, 1, 1, 1] [2024-11-20 19:11:06,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 19:11:06,801 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)] === [2024-11-20 19:11:06,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:11:06,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1778220407, now seen corresponding path program 1 times [2024-11-20 19:11:06,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:11:06,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213727882] [2024-11-20 19:11:06,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:11:06,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:11:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:06,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:11:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:06,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:11:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:06,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:11:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:06,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:11:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:06,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:11:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:06,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 19:11:06,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:11:06,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213727882] [2024-11-20 19:11:06,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213727882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:11:06,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:11:06,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 19:11:06,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753093651] [2024-11-20 19:11:06,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:11:06,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 19:11:06,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:11:06,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 19:11:06,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 19:11:06,887 INFO L87 Difference]: Start difference. First operand 5999 states and 8096 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-11-20 19:11:08,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:11:08,200 INFO L93 Difference]: Finished difference Result 17065 states and 23434 transitions. [2024-11-20 19:11:08,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 19:11:08,201 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 67 [2024-11-20 19:11:08,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:11:08,249 INFO L225 Difference]: With dead ends: 17065 [2024-11-20 19:11:08,249 INFO L226 Difference]: Without dead ends: 11080 [2024-11-20 19:11:08,266 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 [2024-11-20 19:11:08,267 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 617 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 19:11:08,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 366 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 19:11:08,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11080 states. [2024-11-20 19:11:08,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11080 to 9362. [2024-11-20 19:11:08,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9362 states, 7970 states have (on average 1.3302383939774154) internal successors, (10602), 8098 states have internal predecessors, (10602), 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) [2024-11-20 19:11:09,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9362 states to 9362 states and 12656 transitions. [2024-11-20 19:11:09,019 INFO L78 Accepts]: Start accepts. Automaton has 9362 states and 12656 transitions. Word has length 67 [2024-11-20 19:11:09,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:11:09,020 INFO L471 AbstractCegarLoop]: Abstraction has 9362 states and 12656 transitions. [2024-11-20 19:11:09,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-11-20 19:11:09,020 INFO L276 IsEmpty]: Start isEmpty. Operand 9362 states and 12656 transitions. [2024-11-20 19:11:09,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-20 19:11:09,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:11:09,021 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 19:11:09,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 19:11:09,021 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)] === [2024-11-20 19:11:09,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:11:09,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1074958219, now seen corresponding path program 1 times [2024-11-20 19:11:09,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:11:09,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625623204] [2024-11-20 19:11:09,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:11:09,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:11:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:09,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:11:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:09,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:11:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:09,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:11:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:09,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:11:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:09,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:11:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:09,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 19:11:09,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:11:09,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625623204] [2024-11-20 19:11:09,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625623204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:11:09,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:11:09,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 19:11:09,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247927947] [2024-11-20 19:11:09,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:11:09,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 19:11:09,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:11:09,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 19:11:09,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 19:11:09,147 INFO L87 Difference]: Start difference. First operand 9362 states and 12656 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-20 19:11:10,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:11:10,547 INFO L93 Difference]: Finished difference Result 26384 states and 35967 transitions. [2024-11-20 19:11:10,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 19:11:10,548 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 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 69 [2024-11-20 19:11:10,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:11:10,596 INFO L225 Difference]: With dead ends: 26384 [2024-11-20 19:11:10,597 INFO L226 Difference]: Without dead ends: 16946 [2024-11-20 19:11:10,614 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 [2024-11-20 19:11:10,615 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 489 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 19:11:10,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 368 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 19:11:10,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16946 states. [2024-11-20 19:11:11,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16946 to 14388. [2024-11-20 19:11:11,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14388 states, 12212 states have (on average 1.3150999017359974) internal successors, (16060), 12410 states have internal predecessors, (16060), 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) [2024-11-20 19:11:11,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14388 states to 14388 states and 19235 transitions. [2024-11-20 19:11:11,600 INFO L78 Accepts]: Start accepts. Automaton has 14388 states and 19235 transitions. Word has length 69 [2024-11-20 19:11:11,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:11:11,600 INFO L471 AbstractCegarLoop]: Abstraction has 14388 states and 19235 transitions. [2024-11-20 19:11:11,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-20 19:11:11,601 INFO L276 IsEmpty]: Start isEmpty. Operand 14388 states and 19235 transitions. [2024-11-20 19:11:11,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-20 19:11:11,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:11:11,603 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 19:11:11,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 19:11:11,603 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)] === [2024-11-20 19:11:11,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:11:11,604 INFO L85 PathProgramCache]: Analyzing trace with hash 131748398, now seen corresponding path program 1 times [2024-11-20 19:11:11,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:11:11,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223440213] [2024-11-20 19:11:11,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:11:11,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:11:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:11,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:11:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:11,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:11:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:11,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:11:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:11,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:11:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:11,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:11:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:11,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 19:11:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:11,683 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-20 19:11:11,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:11:11,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223440213] [2024-11-20 19:11:11,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223440213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:11:11,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:11:11,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 19:11:11,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17946341] [2024-11-20 19:11:11,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:11:11,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 19:11:11,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:11:11,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 19:11:11,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 19:11:11,685 INFO L87 Difference]: Start difference. First operand 14388 states and 19235 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 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) [2024-11-20 19:11:14,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:11:14,397 INFO L93 Difference]: Finished difference Result 47380 states and 63909 transitions. [2024-11-20 19:11:14,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 19:11:14,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 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 89 [2024-11-20 19:11:14,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:11:14,605 INFO L225 Difference]: With dead ends: 47380 [2024-11-20 19:11:14,605 INFO L226 Difference]: Without dead ends: 33006 [2024-11-20 19:11:14,635 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 [2024-11-20 19:11:14,636 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 581 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 19:11:14,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 424 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 19:11:14,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33006 states. [2024-11-20 19:11:16,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33006 to 28256. [2024-11-20 19:11:16,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28256 states, 23819 states have (on average 1.2986691296863848) internal successors, (30933), 24322 states have internal predecessors, (30933), 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) [2024-11-20 19:11:16,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28256 states to 28256 states and 37759 transitions. [2024-11-20 19:11:16,552 INFO L78 Accepts]: Start accepts. Automaton has 28256 states and 37759 transitions. Word has length 89 [2024-11-20 19:11:16,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:11:16,552 INFO L471 AbstractCegarLoop]: Abstraction has 28256 states and 37759 transitions. [2024-11-20 19:11:16,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 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) [2024-11-20 19:11:16,553 INFO L276 IsEmpty]: Start isEmpty. Operand 28256 states and 37759 transitions. [2024-11-20 19:11:16,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-20 19:11:16,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:11:16,556 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 19:11:16,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 19:11:16,557 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)] === [2024-11-20 19:11:16,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:11:16,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1010754068, now seen corresponding path program 1 times [2024-11-20 19:11:16,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:11:16,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270820797] [2024-11-20 19:11:16,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:11:16,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:11:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:16,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:11:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:16,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:11:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:16,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:11:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:16,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:11:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:16,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:11:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:16,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 19:11:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:16,615 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-20 19:11:16,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:11:16,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270820797] [2024-11-20 19:11:16,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270820797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:11:16,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:11:16,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 19:11:16,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862258262] [2024-11-20 19:11:16,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:11:16,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 19:11:16,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:11:16,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 19:11:16,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 19:11:16,618 INFO L87 Difference]: Start difference. First operand 28256 states and 37759 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 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) [2024-11-20 19:11:18,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:11:18,661 INFO L93 Difference]: Finished difference Result 58996 states and 79485 transitions. [2024-11-20 19:11:18,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 19:11:18,661 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 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 89 [2024-11-20 19:11:18,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:11:18,793 INFO L225 Difference]: With dead ends: 58996 [2024-11-20 19:11:18,793 INFO L226 Difference]: Without dead ends: 30754 [2024-11-20 19:11:19,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 19:11:19,079 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 376 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 19:11:19,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 276 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 19:11:19,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30754 states. [2024-11-20 19:11:21,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30754 to 26382. [2024-11-20 19:11:21,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26382 states, 22240 states have (on average 1.3046762589928058) internal successors, (29016), 22712 states have internal predecessors, (29016), 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) [2024-11-20 19:11:22,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26382 states to 26382 states and 35487 transitions. [2024-11-20 19:11:22,122 INFO L78 Accepts]: Start accepts. Automaton has 26382 states and 35487 transitions. Word has length 89 [2024-11-20 19:11:22,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:11:22,123 INFO L471 AbstractCegarLoop]: Abstraction has 26382 states and 35487 transitions. [2024-11-20 19:11:22,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 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) [2024-11-20 19:11:22,123 INFO L276 IsEmpty]: Start isEmpty. Operand 26382 states and 35487 transitions. [2024-11-20 19:11:22,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-20 19:11:22,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:11:22,126 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 19:11:22,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 19:11:22,126 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)] === [2024-11-20 19:11:22,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:11:22,126 INFO L85 PathProgramCache]: Analyzing trace with hash -169256967, now seen corresponding path program 1 times [2024-11-20 19:11:22,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:11:22,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123507535] [2024-11-20 19:11:22,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:11:22,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:11:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:22,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:11:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:22,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:11:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:22,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:11:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:22,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:11:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:22,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:11:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:22,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 19:11:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:22,213 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-20 19:11:22,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:11:22,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123507535] [2024-11-20 19:11:22,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123507535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:11:22,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:11:22,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 19:11:22,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73913640] [2024-11-20 19:11:22,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:11:22,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 19:11:22,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:11:22,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 19:11:22,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 19:11:22,215 INFO L87 Difference]: Start difference. First operand 26382 states and 35487 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 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) [2024-11-20 19:11:27,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:11:27,127 INFO L93 Difference]: Finished difference Result 85565 states and 115973 transitions. [2024-11-20 19:11:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 19:11:27,128 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 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 90 [2024-11-20 19:11:27,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:11:27,339 INFO L225 Difference]: With dead ends: 85565 [2024-11-20 19:11:27,339 INFO L226 Difference]: Without dead ends: 59197 [2024-11-20 19:11:27,406 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 [2024-11-20 19:11:27,408 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 467 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 19:11:27,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 642 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 19:11:27,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59197 states. [2024-11-20 19:11:32,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59197 to 53607. [2024-11-20 19:11:32,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53607 states, 45080 states have (on average 1.2863132209405501) internal successors, (57987), 46289 states have internal predecessors, (57987), 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) [2024-11-20 19:11:32,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53607 states to 53607 states and 71876 transitions. [2024-11-20 19:11:32,499 INFO L78 Accepts]: Start accepts. Automaton has 53607 states and 71876 transitions. Word has length 90 [2024-11-20 19:11:32,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 19:11:32,499 INFO L471 AbstractCegarLoop]: Abstraction has 53607 states and 71876 transitions. [2024-11-20 19:11:32,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 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) [2024-11-20 19:11:32,500 INFO L276 IsEmpty]: Start isEmpty. Operand 53607 states and 71876 transitions. [2024-11-20 19:11:32,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-20 19:11:32,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 19:11:32,503 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 19:11:32,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-20 19:11:32,504 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)] === [2024-11-20 19:11:32,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 19:11:32,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1397500983, now seen corresponding path program 1 times [2024-11-20 19:11:32,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 19:11:32,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040404777] [2024-11-20 19:11:32,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 19:11:32,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 19:11:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:32,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 19:11:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:32,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 19:11:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:32,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 19:11:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:32,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 19:11:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:32,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 19:11:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:32,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 19:11:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 19:11:32,562 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 19:11:32,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 19:11:32,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040404777] [2024-11-20 19:11:32,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040404777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 19:11:32,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 19:11:32,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 19:11:32,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906812941] [2024-11-20 19:11:32,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 19:11:32,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 19:11:32,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 19:11:32,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 19:11:32,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 19:11:32,566 INFO L87 Difference]: Start difference. First operand 53607 states and 71876 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 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) [2024-11-20 19:11:37,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 19:11:37,026 INFO L93 Difference]: Finished difference Result 104195 states and 140236 transitions. [2024-11-20 19:11:37,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 19:11:37,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 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 90 [2024-11-20 19:11:37,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 19:11:37,183 INFO L225 Difference]: With dead ends: 104195 [2024-11-20 19:11:37,183 INFO L226 Difference]: Without dead ends: 50602 [2024-11-20 19:11:37,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 19:11:37,251 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 378 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 19:11:37,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 274 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 19:11:37,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50602 states.