./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/systemc/token_ring.02.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/systemc/token_ring.02.cil-2.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 bc8487f898950b83c481f83a71342af68752fb6e7598d76df123761c32c89f72 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:19:24,666 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:19:24,721 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:19:24,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:19:24,730 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:19:24,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:19:24,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:19:24,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:19:24,754 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:19:24,756 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:19:24,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:19:24,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:19:24,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:19:24,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:19:24,758 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:19:24,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:19:24,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:19:24,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:19:24,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:19:24,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:19:24,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:19:24,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:19:24,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:19:24,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:19:24,761 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:19:24,761 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:19:24,762 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:19:24,762 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:19:24,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:19:24,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:19:24,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:19:24,763 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:19:24,763 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:19:24,764 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:19:24,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:19:24,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:19:24,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:19:24,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:19:24,765 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:19:24,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:19:24,766 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:19:24,766 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:19:24,766 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:19:24,767 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:19:24,767 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc8487f898950b83c481f83a71342af68752fb6e7598d76df123761c32c89f72 [2024-11-09 12:19:25,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:19:25,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:19:25,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:19:25,042 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:19:25,042 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:19:25,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/token_ring.02.cil-2.c [2024-11-09 12:19:26,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:19:26,740 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:19:26,740 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.02.cil-2.c [2024-11-09 12:19:26,751 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db4713815/3359d0af092f42b19a9ff827d706e778/FLAGa0139f039 [2024-11-09 12:19:26,768 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db4713815/3359d0af092f42b19a9ff827d706e778 [2024-11-09 12:19:26,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:19:26,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:19:26,775 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:19:26,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:19:26,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:19:26,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:26" (1/1) ... [2024-11-09 12:19:26,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@389cc533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:26, skipping insertion in model container [2024-11-09 12:19:26,783 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:26" (1/1) ... [2024-11-09 12:19:26,824 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:19:27,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:19:27,112 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:19:27,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:19:27,207 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:19:27,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:27 WrapperNode [2024-11-09 12:19:27,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:19:27,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:19:27,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:19:27,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:19:27,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:27" (1/1) ... [2024-11-09 12:19:27,234 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:27" (1/1) ... [2024-11-09 12:19:27,281 INFO L138 Inliner]: procedures = 32, calls = 39, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 296 [2024-11-09 12:19:27,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:19:27,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:19:27,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:19:27,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:19:27,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:27" (1/1) ... [2024-11-09 12:19:27,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:27" (1/1) ... [2024-11-09 12:19:27,297 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:27" (1/1) ... [2024-11-09 12:19:27,316 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]. [2024-11-09 12:19:27,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:27" (1/1) ... [2024-11-09 12:19:27,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:27" (1/1) ... [2024-11-09 12:19:27,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:27" (1/1) ... [2024-11-09 12:19:27,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:27" (1/1) ... [2024-11-09 12:19:27,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:27" (1/1) ... [2024-11-09 12:19:27,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:27" (1/1) ... [2024-11-09 12:19:27,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:19:27,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:19:27,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:19:27,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:19:27,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:27" (1/1) ... [2024-11-09 12:19:27,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:19:27,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:19:27,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 12:19:27,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 12:19:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:19:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-11-09 12:19:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-11-09 12:19:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-09 12:19:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-09 12:19:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-09 12:19:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-09 12:19:27,437 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-09 12:19:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-09 12:19:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-09 12:19:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-09 12:19:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-09 12:19:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-09 12:19:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:19:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-09 12:19:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-09 12:19:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:19:27,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:19:27,527 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:19:27,532 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:19:27,985 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-09 12:19:27,985 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:19:28,011 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:19:28,011 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-09 12:19:28,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:28 BoogieIcfgContainer [2024-11-09 12:19:28,015 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:19:28,017 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:19:28,017 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:19:28,020 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:19:28,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:19:26" (1/3) ... [2024-11-09 12:19:28,022 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47618a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:19:28, skipping insertion in model container [2024-11-09 12:19:28,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:27" (2/3) ... [2024-11-09 12:19:28,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47618a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:19:28, skipping insertion in model container [2024-11-09 12:19:28,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:28" (3/3) ... [2024-11-09 12:19:28,025 INFO L112 eAbstractionObserver]: Analyzing ICFG token_ring.02.cil-2.c [2024-11-09 12:19:28,043 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:19:28,044 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-09 12:19:28,114 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:19:28,121 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;@ebcc7d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:19:28,122 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-09 12:19:28,127 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 121 states have (on average 1.5867768595041323) internal successors, (192), 130 states have internal predecessors, (192), 18 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 12:19:28,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 12:19:28,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:28,139 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:19:28,140 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:28,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:28,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1124729864, now seen corresponding path program 1 times [2024-11-09 12:19:28,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:28,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729874790] [2024-11-09 12:19:28,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:28,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:28,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:28,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:28,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:28,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:19:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:28,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:19:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:28,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:28,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:28,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729874790] [2024-11-09 12:19:28,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729874790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:28,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:28,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 12:19:28,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683038225] [2024-11-09 12:19:28,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:28,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:19:28,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:28,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:19:28,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:19:28,565 INFO L87 Difference]: Start difference. First operand has 153 states, 121 states have (on average 1.5867768595041323) internal successors, (192), 130 states have internal predecessors, (192), 18 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) 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) [2024-11-09 12:19:29,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:29,147 INFO L93 Difference]: Finished difference Result 329 states and 501 transitions. [2024-11-09 12:19:29,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:19:29,150 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 [2024-11-09 12:19:29,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:29,162 INFO L225 Difference]: With dead ends: 329 [2024-11-09 12:19:29,162 INFO L226 Difference]: Without dead ends: 175 [2024-11-09 12:19:29,170 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 [2024-11-09 12:19:29,175 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 312 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:29,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 332 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:19:29,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-09 12:19:29,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 143. [2024-11-09 12:19:29,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 115 states have (on average 1.4956521739130435) internal successors, (172), 121 states have internal predecessors, (172), 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) [2024-11-09 12:19:29,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 204 transitions. [2024-11-09 12:19:29,265 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 204 transitions. Word has length 66 [2024-11-09 12:19:29,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:29,268 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 204 transitions. [2024-11-09 12:19:29,269 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) [2024-11-09 12:19:29,269 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 204 transitions. [2024-11-09 12:19:29,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 12:19:29,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:29,271 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] [2024-11-09 12:19:29,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:19:29,272 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)] === [2024-11-09 12:19:29,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:29,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1685429642, now seen corresponding path program 1 times [2024-11-09 12:19:29,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:29,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643241681] [2024-11-09 12:19:29,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:29,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:29,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:29,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:29,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:29,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:19:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:29,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:19:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:29,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:29,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:29,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643241681] [2024-11-09 12:19:29,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643241681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:29,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:29,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 12:19:29,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902054287] [2024-11-09 12:19:29,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:29,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:19:29,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:29,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:19:29,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:19:29,590 INFO L87 Difference]: Start difference. First operand 143 states and 204 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) [2024-11-09 12:19:30,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:30,391 INFO L93 Difference]: Finished difference Result 471 states and 691 transitions. [2024-11-09 12:19:30,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 12:19:30,393 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 [2024-11-09 12:19:30,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:30,400 INFO L225 Difference]: With dead ends: 471 [2024-11-09 12:19:30,400 INFO L226 Difference]: Without dead ends: 338 [2024-11-09 12:19:30,401 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 [2024-11-09 12:19:30,402 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 431 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 527 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 [2024-11-09 12:19:30,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 527 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 12:19:30,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-09 12:19:30,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 271. [2024-11-09 12:19:30,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 225 states have (on average 1.5066666666666666) internal successors, (339), 232 states have internal predecessors, (339), 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) [2024-11-09 12:19:30,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 396 transitions. [2024-11-09 12:19:30,453 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 396 transitions. Word has length 66 [2024-11-09 12:19:30,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:30,453 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 396 transitions. [2024-11-09 12:19:30,453 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) [2024-11-09 12:19:30,454 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 396 transitions. [2024-11-09 12:19:30,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 12:19:30,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:30,456 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] [2024-11-09 12:19:30,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 12:19:30,456 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-09 12:19:30,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:30,459 INFO L85 PathProgramCache]: Analyzing trace with hash -943424142, now seen corresponding path program 1 times [2024-11-09 12:19:30,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:30,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077542083] [2024-11-09 12:19:30,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:30,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:30,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:30,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:30,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:30,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:19:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:30,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:19:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:30,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:30,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:30,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077542083] [2024-11-09 12:19:30,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077542083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:30,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:30,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 12:19:30,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503709904] [2024-11-09 12:19:30,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:30,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:19:30,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:30,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:19:30,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:19:30,729 INFO L87 Difference]: Start difference. First operand 271 states and 396 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) [2024-11-09 12:19:31,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:31,708 INFO L93 Difference]: Finished difference Result 758 states and 1117 transitions. [2024-11-09 12:19:31,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 12:19:31,710 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 [2024-11-09 12:19:31,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:31,718 INFO L225 Difference]: With dead ends: 758 [2024-11-09 12:19:31,719 INFO L226 Difference]: Without dead ends: 497 [2024-11-09 12:19:31,720 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 [2024-11-09 12:19:31,723 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 426 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 953 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 1003 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 [2024-11-09 12:19:31,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 1003 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 953 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 12:19:31,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-11-09 12:19:31,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 392. [2024-11-09 12:19:31,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 328 states have (on average 1.5) internal successors, (492), 336 states have internal predecessors, (492), 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) [2024-11-09 12:19:31,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 573 transitions. [2024-11-09 12:19:31,788 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 573 transitions. Word has length 66 [2024-11-09 12:19:31,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:31,788 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 573 transitions. [2024-11-09 12:19:31,788 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) [2024-11-09 12:19:31,788 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 573 transitions. [2024-11-09 12:19:31,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 12:19:31,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:31,792 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] [2024-11-09 12:19:31,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 12:19:31,792 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)] === [2024-11-09 12:19:31,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:31,793 INFO L85 PathProgramCache]: Analyzing trace with hash -499523468, now seen corresponding path program 1 times [2024-11-09 12:19:31,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:31,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121846125] [2024-11-09 12:19:31,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:31,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:31,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:31,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:31,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:31,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:19:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:31,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:19:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:31,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:31,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:31,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121846125] [2024-11-09 12:19:31,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121846125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:31,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:31,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 12:19:31,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182937689] [2024-11-09 12:19:31,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:31,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:19:31,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:31,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:19:31,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:19:31,980 INFO L87 Difference]: Start difference. First operand 392 states and 573 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) [2024-11-09 12:19:32,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:32,835 INFO L93 Difference]: Finished difference Result 1180 states and 1744 transitions. [2024-11-09 12:19:32,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 12:19:32,836 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 [2024-11-09 12:19:32,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:32,843 INFO L225 Difference]: With dead ends: 1180 [2024-11-09 12:19:32,844 INFO L226 Difference]: Without dead ends: 798 [2024-11-09 12:19:32,846 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 [2024-11-09 12:19:32,848 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 464 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 657 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 [2024-11-09 12:19:32,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 657 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 12:19:32,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-11-09 12:19:32,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 635. [2024-11-09 12:19:32,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 535 states have (on average 1.4934579439252336) internal successors, (799), 545 states have internal predecessors, (799), 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) [2024-11-09 12:19:32,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 932 transitions. [2024-11-09 12:19:32,918 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 932 transitions. Word has length 66 [2024-11-09 12:19:32,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:32,919 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 932 transitions. [2024-11-09 12:19:32,919 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) [2024-11-09 12:19:32,920 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 932 transitions. [2024-11-09 12:19:32,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 12:19:32,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:32,925 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] [2024-11-09 12:19:32,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 12:19:32,926 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)] === [2024-11-09 12:19:32,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:32,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1038816562, now seen corresponding path program 1 times [2024-11-09 12:19:32,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:32,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283062037] [2024-11-09 12:19:32,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:32,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:19:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:19:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:33,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:33,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:33,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283062037] [2024-11-09 12:19:33,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283062037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:33,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:33,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 12:19:33,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337676819] [2024-11-09 12:19:33,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:33,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:19:33,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:33,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:19:33,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:19:33,113 INFO L87 Difference]: Start difference. First operand 635 states and 932 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) [2024-11-09 12:19:34,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:34,139 INFO L93 Difference]: Finished difference Result 2096 states and 3101 transitions. [2024-11-09 12:19:34,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 12:19:34,140 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 [2024-11-09 12:19:34,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:34,148 INFO L225 Difference]: With dead ends: 2096 [2024-11-09 12:19:34,149 INFO L226 Difference]: Without dead ends: 1471 [2024-11-09 12:19:34,151 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 [2024-11-09 12:19:34,152 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 436 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 1087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:34,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 987 Invalid, 1087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 12:19:34,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2024-11-09 12:19:34,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1067. [2024-11-09 12:19:34,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1067 states, 899 states have (on average 1.4849833147942157) internal successors, (1335), 913 states have internal predecessors, (1335), 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) [2024-11-09 12:19:34,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1570 transitions. [2024-11-09 12:19:34,243 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1570 transitions. Word has length 66 [2024-11-09 12:19:34,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:34,244 INFO L471 AbstractCegarLoop]: Abstraction has 1067 states and 1570 transitions. [2024-11-09 12:19:34,244 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) [2024-11-09 12:19:34,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1570 transitions. [2024-11-09 12:19:34,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 12:19:34,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:34,247 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] [2024-11-09 12:19:34,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 12:19:34,247 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)] === [2024-11-09 12:19:34,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:34,248 INFO L85 PathProgramCache]: Analyzing trace with hash 557736304, now seen corresponding path program 1 times [2024-11-09 12:19:34,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:34,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132298931] [2024-11-09 12:19:34,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:34,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:19:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:19:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:34,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:34,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:34,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132298931] [2024-11-09 12:19:34,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132298931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:34,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:34,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 12:19:34,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529347734] [2024-11-09 12:19:34,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:34,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:19:34,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:34,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:19:34,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:19:34,371 INFO L87 Difference]: Start difference. First operand 1067 states and 1570 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) [2024-11-09 12:19:35,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:35,417 INFO L93 Difference]: Finished difference Result 3554 states and 5249 transitions. [2024-11-09 12:19:35,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 12:19:35,418 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 [2024-11-09 12:19:35,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:35,432 INFO L225 Difference]: With dead ends: 3554 [2024-11-09 12:19:35,432 INFO L226 Difference]: Without dead ends: 2497 [2024-11-09 12:19:35,436 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 [2024-11-09 12:19:35,437 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 438 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 991 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 [2024-11-09 12:19:35,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 991 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 12:19:35,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2497 states. [2024-11-09 12:19:35,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2497 to 1964. [2024-11-09 12:19:35,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1964 states, 1664 states have (on average 1.4789663461538463) internal successors, (2461), 1686 states have internal predecessors, (2461), 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) [2024-11-09 12:19:35,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 1964 states and 2910 transitions. [2024-11-09 12:19:35,599 INFO L78 Accepts]: Start accepts. Automaton has 1964 states and 2910 transitions. Word has length 66 [2024-11-09 12:19:35,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:35,599 INFO L471 AbstractCegarLoop]: Abstraction has 1964 states and 2910 transitions. [2024-11-09 12:19:35,599 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) [2024-11-09 12:19:35,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2910 transitions. [2024-11-09 12:19:35,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 12:19:35,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:35,602 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] [2024-11-09 12:19:35,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 12:19:35,602 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)] === [2024-11-09 12:19:35,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:35,603 INFO L85 PathProgramCache]: Analyzing trace with hash 542217586, now seen corresponding path program 1 times [2024-11-09 12:19:35,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:35,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63135457] [2024-11-09 12:19:35,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:35,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:35,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:35,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:35,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:35,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:19:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:35,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:19:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:35,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:35,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:35,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63135457] [2024-11-09 12:19:35,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63135457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:35,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:35,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 12:19:35,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297144912] [2024-11-09 12:19:35,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:35,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:19:35,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:35,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:19:35,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:19:35,696 INFO L87 Difference]: Start difference. First operand 1964 states and 2910 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) [2024-11-09 12:19:36,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:36,689 INFO L93 Difference]: Finished difference Result 5490 states and 8158 transitions. [2024-11-09 12:19:36,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 12:19:36,689 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 [2024-11-09 12:19:36,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:36,710 INFO L225 Difference]: With dead ends: 5490 [2024-11-09 12:19:36,710 INFO L226 Difference]: Without dead ends: 3537 [2024-11-09 12:19:36,719 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 [2024-11-09 12:19:36,720 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 574 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:36,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 695 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 12:19:36,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3537 states. [2024-11-09 12:19:36,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3537 to 2946. [2024-11-09 12:19:36,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2488 states have (on average 1.460209003215434) internal successors, (3633), 2527 states have internal predecessors, (3633), 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) [2024-11-09 12:19:36,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4302 transitions. [2024-11-09 12:19:36,987 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4302 transitions. Word has length 66 [2024-11-09 12:19:36,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:36,988 INFO L471 AbstractCegarLoop]: Abstraction has 2946 states and 4302 transitions. [2024-11-09 12:19:36,988 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) [2024-11-09 12:19:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4302 transitions. [2024-11-09 12:19:36,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 12:19:36,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:36,991 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] [2024-11-09 12:19:36,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 12:19:36,991 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)] === [2024-11-09 12:19:36,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:36,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1093385856, now seen corresponding path program 1 times [2024-11-09 12:19:36,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:36,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481448595] [2024-11-09 12:19:36,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:36,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:19:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:19:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:37,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:37,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:37,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481448595] [2024-11-09 12:19:37,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481448595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:37,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:37,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 12:19:37,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731242608] [2024-11-09 12:19:37,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:37,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:19:37,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:37,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:19:37,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:19:37,128 INFO L87 Difference]: Start difference. First operand 2946 states and 4302 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) [2024-11-09 12:19:37,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:37,923 INFO L93 Difference]: Finished difference Result 6367 states and 9414 transitions. [2024-11-09 12:19:37,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:19:37,923 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 [2024-11-09 12:19:37,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:37,945 INFO L225 Difference]: With dead ends: 6367 [2024-11-09 12:19:37,945 INFO L226 Difference]: Without dead ends: 3432 [2024-11-09 12:19:37,956 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 [2024-11-09 12:19:37,958 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 147 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 669 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 [2024-11-09 12:19:37,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 669 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:19:37,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3432 states. [2024-11-09 12:19:38,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3432 to 2973. [2024-11-09 12:19:38,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2973 states, 2515 states have (on average 1.4485089463220675) internal successors, (3643), 2554 states have internal predecessors, (3643), 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) [2024-11-09 12:19:38,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2973 states and 4312 transitions. [2024-11-09 12:19:38,240 INFO L78 Accepts]: Start accepts. Automaton has 2973 states and 4312 transitions. Word has length 67 [2024-11-09 12:19:38,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:38,241 INFO L471 AbstractCegarLoop]: Abstraction has 2973 states and 4312 transitions. [2024-11-09 12:19:38,241 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) [2024-11-09 12:19:38,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2973 states and 4312 transitions. [2024-11-09 12:19:38,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 12:19:38,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:38,245 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] [2024-11-09 12:19:38,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 12:19:38,245 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)] === [2024-11-09 12:19:38,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:38,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1517032578, now seen corresponding path program 1 times [2024-11-09 12:19:38,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:38,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777045071] [2024-11-09 12:19:38,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:38,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:38,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:38,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:38,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:38,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:19:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:38,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:19:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:38,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:38,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:38,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777045071] [2024-11-09 12:19:38,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777045071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:38,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:38,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 12:19:38,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450551887] [2024-11-09 12:19:38,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:38,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:19:38,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:38,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:19:38,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:19:38,358 INFO L87 Difference]: Start difference. First operand 2973 states and 4312 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) [2024-11-09 12:19:39,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:39,106 INFO L93 Difference]: Finished difference Result 6499 states and 9538 transitions. [2024-11-09 12:19:39,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 12:19:39,107 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 [2024-11-09 12:19:39,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:39,130 INFO L225 Difference]: With dead ends: 6499 [2024-11-09 12:19:39,130 INFO L226 Difference]: Without dead ends: 3537 [2024-11-09 12:19:39,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-09 12:19:39,142 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 160 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 669 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 [2024-11-09 12:19:39,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 669 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:19:39,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3537 states. [2024-11-09 12:19:39,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3537 to 3051. [2024-11-09 12:19:39,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3051 states, 2593 states have (on average 1.4350173544157347) internal successors, (3721), 2632 states have internal predecessors, (3721), 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) [2024-11-09 12:19:39,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 3051 states and 4390 transitions. [2024-11-09 12:19:39,407 INFO L78 Accepts]: Start accepts. Automaton has 3051 states and 4390 transitions. Word has length 67 [2024-11-09 12:19:39,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:39,408 INFO L471 AbstractCegarLoop]: Abstraction has 3051 states and 4390 transitions. [2024-11-09 12:19:39,408 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) [2024-11-09 12:19:39,408 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 4390 transitions. [2024-11-09 12:19:39,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 12:19:39,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:39,412 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] [2024-11-09 12:19:39,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 12:19:39,413 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)] === [2024-11-09 12:19:39,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:39,413 INFO L85 PathProgramCache]: Analyzing trace with hash 673027076, now seen corresponding path program 1 times [2024-11-09 12:19:39,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:39,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928969073] [2024-11-09 12:19:39,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:39,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:39,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:39,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:39,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:39,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:19:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:39,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:19:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:39,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:39,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:39,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928969073] [2024-11-09 12:19:39,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928969073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:39,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:39,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 12:19:39,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397879683] [2024-11-09 12:19:39,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:39,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:19:39,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:39,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:19:39,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:19:39,528 INFO L87 Difference]: Start difference. First operand 3051 states and 4390 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) [2024-11-09 12:19:41,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:41,308 INFO L93 Difference]: Finished difference Result 10892 states and 15936 transitions. [2024-11-09 12:19:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 12:19:41,309 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 [2024-11-09 12:19:41,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:41,360 INFO L225 Difference]: With dead ends: 10892 [2024-11-09 12:19:41,360 INFO L226 Difference]: Without dead ends: 7852 [2024-11-09 12:19:41,377 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 [2024-11-09 12:19:41,378 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1079 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1097 SdHoareTripleChecker+Valid, 761 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 [2024-11-09 12:19:41,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1097 Valid, 761 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 12:19:41,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7852 states. [2024-11-09 12:19:41,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7852 to 6746. [2024-11-09 12:19:41,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6746 states, 5716 states have (on average 1.4195241427571728) internal successors, (8114), 5814 states have internal predecessors, (8114), 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) [2024-11-09 12:19:41,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6746 states to 6746 states and 9706 transitions. [2024-11-09 12:19:41,985 INFO L78 Accepts]: Start accepts. Automaton has 6746 states and 9706 transitions. Word has length 67 [2024-11-09 12:19:41,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:41,988 INFO L471 AbstractCegarLoop]: Abstraction has 6746 states and 9706 transitions. [2024-11-09 12:19:41,988 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) [2024-11-09 12:19:41,989 INFO L276 IsEmpty]: Start isEmpty. Operand 6746 states and 9706 transitions. [2024-11-09 12:19:41,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 12:19:41,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:41,991 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] [2024-11-09 12:19:41,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 12:19:41,992 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)] === [2024-11-09 12:19:41,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:41,992 INFO L85 PathProgramCache]: Analyzing trace with hash -903530683, now seen corresponding path program 1 times [2024-11-09 12:19:41,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:41,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005185154] [2024-11-09 12:19:41,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:41,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:42,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:42,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:42,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:42,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:19:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:42,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:19:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:42,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:42,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:42,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005185154] [2024-11-09 12:19:42,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005185154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:42,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:42,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 12:19:42,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358282246] [2024-11-09 12:19:42,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:42,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:19:42,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:42,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:19:42,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:19:42,115 INFO L87 Difference]: Start difference. First operand 6746 states and 9706 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) [2024-11-09 12:19:43,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:43,266 INFO L93 Difference]: Finished difference Result 14683 states and 21550 transitions. [2024-11-09 12:19:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 12:19:43,266 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 [2024-11-09 12:19:43,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:43,341 INFO L225 Difference]: With dead ends: 14683 [2024-11-09 12:19:43,342 INFO L226 Difference]: Without dead ends: 7948 [2024-11-09 12:19:43,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-09 12:19:43,367 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 162 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:43,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 664 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:19:43,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7948 states. [2024-11-09 12:19:43,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7948 to 6851. [2024-11-09 12:19:43,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6851 states, 5821 states have (on average 1.4074901219721698) internal successors, (8193), 5919 states have internal predecessors, (8193), 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) [2024-11-09 12:19:43,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6851 states to 6851 states and 9785 transitions. [2024-11-09 12:19:43,946 INFO L78 Accepts]: Start accepts. Automaton has 6851 states and 9785 transitions. Word has length 67 [2024-11-09 12:19:43,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:43,947 INFO L471 AbstractCegarLoop]: Abstraction has 6851 states and 9785 transitions. [2024-11-09 12:19:43,948 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) [2024-11-09 12:19:43,951 INFO L276 IsEmpty]: Start isEmpty. Operand 6851 states and 9785 transitions. [2024-11-09 12:19:43,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 12:19:43,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:43,954 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] [2024-11-09 12:19:43,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 12:19:43,954 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)] === [2024-11-09 12:19:43,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:43,955 INFO L85 PathProgramCache]: Analyzing trace with hash 482672711, now seen corresponding path program 1 times [2024-11-09 12:19:43,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:43,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969475901] [2024-11-09 12:19:43,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:43,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:44,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:44,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:44,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:44,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:19:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:44,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:19:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:44,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:44,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:44,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969475901] [2024-11-09 12:19:44,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969475901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:44,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:44,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 12:19:44,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332736368] [2024-11-09 12:19:44,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:44,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:19:44,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:44,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:19:44,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:19:44,120 INFO L87 Difference]: Start difference. First operand 6851 states and 9785 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) [2024-11-09 12:19:45,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:45,151 INFO L93 Difference]: Finished difference Result 8968 states and 12897 transitions. [2024-11-09 12:19:45,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 12:19:45,151 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 [2024-11-09 12:19:45,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:45,177 INFO L225 Difference]: With dead ends: 8968 [2024-11-09 12:19:45,178 INFO L226 Difference]: Without dead ends: 5162 [2024-11-09 12:19:45,190 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 [2024-11-09 12:19:45,191 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 565 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:45,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [576 Valid, 732 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:19:45,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5162 states. [2024-11-09 12:19:45,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5162 to 4242. [2024-11-09 12:19:45,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4242 states, 3595 states have (on average 1.3908205841446453) internal successors, (5000), 3653 states have internal predecessors, (5000), 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) [2024-11-09 12:19:45,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4242 states to 4242 states and 5943 transitions. [2024-11-09 12:19:45,548 INFO L78 Accepts]: Start accepts. Automaton has 4242 states and 5943 transitions. Word has length 67 [2024-11-09 12:19:45,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:45,548 INFO L471 AbstractCegarLoop]: Abstraction has 4242 states and 5943 transitions. [2024-11-09 12:19:45,549 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) [2024-11-09 12:19:45,549 INFO L276 IsEmpty]: Start isEmpty. Operand 4242 states and 5943 transitions. [2024-11-09 12:19:45,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 12:19:45,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:45,551 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] [2024-11-09 12:19:45,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 12:19:45,551 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)] === [2024-11-09 12:19:45,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:45,552 INFO L85 PathProgramCache]: Analyzing trace with hash 348659205, now seen corresponding path program 1 times [2024-11-09 12:19:45,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:45,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991330634] [2024-11-09 12:19:45,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:45,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:45,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:45,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:45,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:45,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:19:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:45,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:19:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:45,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:45,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:45,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991330634] [2024-11-09 12:19:45,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991330634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:45,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:45,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 12:19:45,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574261885] [2024-11-09 12:19:45,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:45,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:19:45,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:45,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:19:45,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:19:45,699 INFO L87 Difference]: Start difference. First operand 4242 states and 5943 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) [2024-11-09 12:19:47,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:47,216 INFO L93 Difference]: Finished difference Result 13108 states and 18526 transitions. [2024-11-09 12:19:47,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 12:19:47,217 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 [2024-11-09 12:19:47,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:47,261 INFO L225 Difference]: With dead ends: 13108 [2024-11-09 12:19:47,261 INFO L226 Difference]: Without dead ends: 8878 [2024-11-09 12:19:47,280 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 [2024-11-09 12:19:47,281 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 736 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 641 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 [2024-11-09 12:19:47,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 641 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:19:47,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8878 states. [2024-11-09 12:19:47,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8878 to 7286. [2024-11-09 12:19:47,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7286 states, 6168 states have (on average 1.3746757457846952) internal successors, (8479), 6293 states have internal predecessors, (8479), 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) [2024-11-09 12:19:48,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7286 states to 7286 states and 10116 transitions. [2024-11-09 12:19:48,019 INFO L78 Accepts]: Start accepts. Automaton has 7286 states and 10116 transitions. Word has length 67 [2024-11-09 12:19:48,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:48,021 INFO L471 AbstractCegarLoop]: Abstraction has 7286 states and 10116 transitions. [2024-11-09 12:19:48,021 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) [2024-11-09 12:19:48,021 INFO L276 IsEmpty]: Start isEmpty. Operand 7286 states and 10116 transitions. [2024-11-09 12:19:48,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 12:19:48,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:48,024 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] [2024-11-09 12:19:48,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 12:19:48,025 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)] === [2024-11-09 12:19:48,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:48,025 INFO L85 PathProgramCache]: Analyzing trace with hash 567513923, now seen corresponding path program 1 times [2024-11-09 12:19:48,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:48,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754791648] [2024-11-09 12:19:48,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:48,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:48,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:48,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:48,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:48,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:19:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:48,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:19:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:48,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:48,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:48,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754791648] [2024-11-09 12:19:48,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754791648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:48,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:48,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 12:19:48,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149364970] [2024-11-09 12:19:48,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:48,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:19:48,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:48,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:19:48,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:19:48,171 INFO L87 Difference]: Start difference. First operand 7286 states and 10116 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) [2024-11-09 12:19:49,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:49,376 INFO L93 Difference]: Finished difference Result 13444 states and 18612 transitions. [2024-11-09 12:19:49,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 12:19:49,377 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 [2024-11-09 12:19:49,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:49,417 INFO L225 Difference]: With dead ends: 13444 [2024-11-09 12:19:49,417 INFO L226 Difference]: Without dead ends: 7754 [2024-11-09 12:19:49,437 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 [2024-11-09 12:19:49,438 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 529 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 727 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 [2024-11-09 12:19:49,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 727 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:19:49,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7754 states. [2024-11-09 12:19:49,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7754 to 6082. [2024-11-09 12:19:49,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6082 states, 5176 states have (on average 1.3525888717156105) internal successors, (7001), 5277 states have internal predecessors, (7001), 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) [2024-11-09 12:19:49,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6082 states to 6082 states and 8294 transitions. [2024-11-09 12:19:49,908 INFO L78 Accepts]: Start accepts. Automaton has 6082 states and 8294 transitions. Word has length 67 [2024-11-09 12:19:49,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:49,909 INFO L471 AbstractCegarLoop]: Abstraction has 6082 states and 8294 transitions. [2024-11-09 12:19:49,910 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) [2024-11-09 12:19:49,910 INFO L276 IsEmpty]: Start isEmpty. Operand 6082 states and 8294 transitions. [2024-11-09 12:19:49,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 12:19:49,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:49,912 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] [2024-11-09 12:19:49,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 12:19:49,912 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)] === [2024-11-09 12:19:49,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:49,913 INFO L85 PathProgramCache]: Analyzing trace with hash 990215749, now seen corresponding path program 1 times [2024-11-09 12:19:49,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:49,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611184825] [2024-11-09 12:19:49,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:49,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:49,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:19:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:19:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:50,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:50,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:50,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611184825] [2024-11-09 12:19:50,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611184825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:50,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:50,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 12:19:50,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558954232] [2024-11-09 12:19:50,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:50,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:19:50,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:50,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:19:50,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:19:50,080 INFO L87 Difference]: Start difference. First operand 6082 states and 8294 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) [2024-11-09 12:19:51,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:51,190 INFO L93 Difference]: Finished difference Result 11376 states and 15617 transitions. [2024-11-09 12:19:51,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 12:19:51,191 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 [2024-11-09 12:19:51,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:51,227 INFO L225 Difference]: With dead ends: 11376 [2024-11-09 12:19:51,227 INFO L226 Difference]: Without dead ends: 7696 [2024-11-09 12:19:51,240 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 [2024-11-09 12:19:51,241 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 573 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:51,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 727 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:19:51,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7696 states. [2024-11-09 12:19:51,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7696 to 6049. [2024-11-09 12:19:51,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6049 states, 5153 states have (on average 1.346206093537745) internal successors, (6937), 5244 states have internal predecessors, (6937), 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) [2024-11-09 12:19:51,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6049 states to 6049 states and 8186 transitions. [2024-11-09 12:19:51,812 INFO L78 Accepts]: Start accepts. Automaton has 6049 states and 8186 transitions. Word has length 67 [2024-11-09 12:19:51,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:51,813 INFO L471 AbstractCegarLoop]: Abstraction has 6049 states and 8186 transitions. [2024-11-09 12:19:51,813 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) [2024-11-09 12:19:51,814 INFO L276 IsEmpty]: Start isEmpty. Operand 6049 states and 8186 transitions. [2024-11-09 12:19:51,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 12:19:51,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:51,815 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] [2024-11-09 12:19:51,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 12:19:51,816 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)] === [2024-11-09 12:19:51,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:51,816 INFO L85 PathProgramCache]: Analyzing trace with hash 172567299, now seen corresponding path program 1 times [2024-11-09 12:19:51,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:51,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170546675] [2024-11-09 12:19:51,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:51,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:51,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:51,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:51,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:51,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:19:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:51,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:19:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:51,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:51,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:51,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170546675] [2024-11-09 12:19:51,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170546675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:51,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:51,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 12:19:51,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707517276] [2024-11-09 12:19:51,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:51,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:19:51,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:51,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:19:51,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:19:51,915 INFO L87 Difference]: Start difference. First operand 6049 states and 8186 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) [2024-11-09 12:19:53,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:53,398 INFO L93 Difference]: Finished difference Result 17165 states and 23614 transitions. [2024-11-09 12:19:53,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 12:19:53,398 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 [2024-11-09 12:19:53,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:53,453 INFO L225 Difference]: With dead ends: 17165 [2024-11-09 12:19:53,453 INFO L226 Difference]: Without dead ends: 11130 [2024-11-09 12:19:53,471 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 [2024-11-09 12:19:53,472 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 500 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:53,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 488 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:19:53,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11130 states. [2024-11-09 12:19:54,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11130 to 9412. [2024-11-09 12:19:54,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9412 states, 8020 states have (on average 1.3331670822942643) internal successors, (10692), 8148 states have internal predecessors, (10692), 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) [2024-11-09 12:19:54,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9412 states to 9412 states and 12746 transitions. [2024-11-09 12:19:54,310 INFO L78 Accepts]: Start accepts. Automaton has 9412 states and 12746 transitions. Word has length 67 [2024-11-09 12:19:54,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:54,310 INFO L471 AbstractCegarLoop]: Abstraction has 9412 states and 12746 transitions. [2024-11-09 12:19:54,311 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) [2024-11-09 12:19:54,311 INFO L276 IsEmpty]: Start isEmpty. Operand 9412 states and 12746 transitions. [2024-11-09 12:19:54,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 12:19:54,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:54,312 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] [2024-11-09 12:19:54,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 12:19:54,313 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)] === [2024-11-09 12:19:54,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:54,313 INFO L85 PathProgramCache]: Analyzing trace with hash -685003920, now seen corresponding path program 1 times [2024-11-09 12:19:54,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:54,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583760273] [2024-11-09 12:19:54,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:54,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:54,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:54,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:54,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:54,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:19:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:54,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:19:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:54,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:19:54,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:54,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583760273] [2024-11-09 12:19:54,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583760273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:54,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:54,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 12:19:54,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359261449] [2024-11-09 12:19:54,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:54,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:19:54,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:54,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:19:54,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:19:54,392 INFO L87 Difference]: Start difference. First operand 9412 states and 12746 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) [2024-11-09 12:19:56,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:19:56,014 INFO L93 Difference]: Finished difference Result 26514 states and 36201 transitions. [2024-11-09 12:19:56,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 12:19:56,015 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 [2024-11-09 12:19:56,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:19:56,087 INFO L225 Difference]: With dead ends: 26514 [2024-11-09 12:19:56,088 INFO L226 Difference]: Without dead ends: 17026 [2024-11-09 12:19:56,120 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 [2024-11-09 12:19:56,121 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 498 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:19:56,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 404 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:19:56,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17026 states. [2024-11-09 12:19:57,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17026 to 14468. [2024-11-09 12:19:57,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14468 states, 12292 states have (on average 1.3182557761145461) internal successors, (16204), 12490 states have internal predecessors, (16204), 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) [2024-11-09 12:19:57,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14468 states to 14468 states and 19379 transitions. [2024-11-09 12:19:57,367 INFO L78 Accepts]: Start accepts. Automaton has 14468 states and 19379 transitions. Word has length 69 [2024-11-09 12:19:57,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:19:57,367 INFO L471 AbstractCegarLoop]: Abstraction has 14468 states and 19379 transitions. [2024-11-09 12:19:57,368 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) [2024-11-09 12:19:57,368 INFO L276 IsEmpty]: Start isEmpty. Operand 14468 states and 19379 transitions. [2024-11-09 12:19:57,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 12:19:57,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:19:57,371 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] [2024-11-09 12:19:57,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 12:19:57,371 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)] === [2024-11-09 12:19:57,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:19:57,373 INFO L85 PathProgramCache]: Analyzing trace with hash 668694163, now seen corresponding path program 1 times [2024-11-09 12:19:57,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:19:57,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580779528] [2024-11-09 12:19:57,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:19:57,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:19:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:57,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:19:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:57,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:19:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:57,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:19:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:57,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:19:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:57,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:19:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:57,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 12:19:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:19:57,493 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 12:19:57,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:19:57,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580779528] [2024-11-09 12:19:57,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580779528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:19:57,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:19:57,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 12:19:57,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186728817] [2024-11-09 12:19:57,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:19:57,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:19:57,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:19:57,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:19:57,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:19:57,495 INFO L87 Difference]: Start difference. First operand 14468 states and 19379 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) [2024-11-09 12:20:00,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:00,817 INFO L93 Difference]: Finished difference Result 47620 states and 64341 transitions. [2024-11-09 12:20:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 12:20:00,818 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 [2024-11-09 12:20:00,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:00,954 INFO L225 Difference]: With dead ends: 47620 [2024-11-09 12:20:00,955 INFO L226 Difference]: Without dead ends: 33166 [2024-11-09 12:20:00,998 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 [2024-11-09 12:20:00,999 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 475 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:00,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 599 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:20:01,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33166 states. [2024-11-09 12:20:03,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33166 to 28416. [2024-11-09 12:20:03,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28416 states, 23979 states have (on average 1.3020142624796698) internal successors, (31221), 24482 states have internal predecessors, (31221), 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) [2024-11-09 12:20:03,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28416 states to 28416 states and 38047 transitions. [2024-11-09 12:20:03,252 INFO L78 Accepts]: Start accepts. Automaton has 28416 states and 38047 transitions. Word has length 89 [2024-11-09 12:20:03,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:03,253 INFO L471 AbstractCegarLoop]: Abstraction has 28416 states and 38047 transitions. [2024-11-09 12:20:03,253 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) [2024-11-09 12:20:03,253 INFO L276 IsEmpty]: Start isEmpty. Operand 28416 states and 38047 transitions. [2024-11-09 12:20:03,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 12:20:03,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:03,258 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] [2024-11-09 12:20:03,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 12:20:03,258 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)] === [2024-11-09 12:20:03,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:03,259 INFO L85 PathProgramCache]: Analyzing trace with hash -473808303, now seen corresponding path program 1 times [2024-11-09 12:20:03,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:03,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954086385] [2024-11-09 12:20:03,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:03,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:03,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:20:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:03,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:20:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:03,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:20:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:03,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:20:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:03,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:20:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:03,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 12:20:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:03,314 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 12:20:03,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:03,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954086385] [2024-11-09 12:20:03,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954086385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:03,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:20:03,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 12:20:03,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105517102] [2024-11-09 12:20:03,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:03,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:20:03,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:03,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:20:03,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:20:03,318 INFO L87 Difference]: Start difference. First operand 28416 states and 38047 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) [2024-11-09 12:20:05,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:05,630 INFO L93 Difference]: Finished difference Result 59316 states and 80061 transitions. [2024-11-09 12:20:05,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:20:05,631 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 [2024-11-09 12:20:05,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:05,792 INFO L225 Difference]: With dead ends: 59316 [2024-11-09 12:20:05,792 INFO L226 Difference]: Without dead ends: 30914 [2024-11-09 12:20:05,870 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 [2024-11-09 12:20:05,871 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 385 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 303 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 [2024-11-09 12:20:05,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 303 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:20:05,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30914 states. [2024-11-09 12:20:08,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30914 to 26542. [2024-11-09 12:20:08,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26542 states, 22400 states have (on average 1.3082142857142858) internal successors, (29304), 22872 states have internal predecessors, (29304), 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) [2024-11-09 12:20:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26542 states to 26542 states and 35775 transitions. [2024-11-09 12:20:09,043 INFO L78 Accepts]: Start accepts. Automaton has 26542 states and 35775 transitions. Word has length 89 [2024-11-09 12:20:09,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:09,044 INFO L471 AbstractCegarLoop]: Abstraction has 26542 states and 35775 transitions. [2024-11-09 12:20:09,044 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) [2024-11-09 12:20:09,044 INFO L276 IsEmpty]: Start isEmpty. Operand 26542 states and 35775 transitions. [2024-11-09 12:20:09,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 12:20:09,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:09,047 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] [2024-11-09 12:20:09,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 12:20:09,048 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)] === [2024-11-09 12:20:09,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:09,049 INFO L85 PathProgramCache]: Analyzing trace with hash -703807411, now seen corresponding path program 1 times [2024-11-09 12:20:09,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:09,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616945786] [2024-11-09 12:20:09,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:09,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:09,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:20:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:09,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:20:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:09,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:20:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:09,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:20:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:09,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:20:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:09,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 12:20:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:09,165 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 12:20:09,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:09,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616945786] [2024-11-09 12:20:09,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616945786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:09,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:20:09,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 12:20:09,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343223337] [2024-11-09 12:20:09,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:09,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:20:09,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:09,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:20:09,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:20:09,168 INFO L87 Difference]: Start difference. First operand 26542 states and 35775 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) [2024-11-09 12:20:15,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:20:15,499 INFO L93 Difference]: Finished difference Result 86045 states and 116837 transitions. [2024-11-09 12:20:15,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 12:20:15,500 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 [2024-11-09 12:20:15,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:20:15,991 INFO L225 Difference]: With dead ends: 86045 [2024-11-09 12:20:15,991 INFO L226 Difference]: Without dead ends: 59517 [2024-11-09 12:20:16,066 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 [2024-11-09 12:20:16,068 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 578 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:20:16,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 580 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:20:16,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59517 states. [2024-11-09 12:20:20,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59517 to 53927. [2024-11-09 12:20:20,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53927 states, 45400 states have (on average 1.289933920704846) internal successors, (58563), 46609 states have internal predecessors, (58563), 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) [2024-11-09 12:20:20,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53927 states to 53927 states and 72452 transitions. [2024-11-09 12:20:20,830 INFO L78 Accepts]: Start accepts. Automaton has 53927 states and 72452 transitions. Word has length 90 [2024-11-09 12:20:20,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:20:20,830 INFO L471 AbstractCegarLoop]: Abstraction has 53927 states and 72452 transitions. [2024-11-09 12:20:20,831 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) [2024-11-09 12:20:20,831 INFO L276 IsEmpty]: Start isEmpty. Operand 53927 states and 72452 transitions. [2024-11-09 12:20:20,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 12:20:20,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:20:20,836 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] [2024-11-09 12:20:20,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 12:20:20,836 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)] === [2024-11-09 12:20:20,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:20:20,837 INFO L85 PathProgramCache]: Analyzing trace with hash 862950539, now seen corresponding path program 1 times [2024-11-09 12:20:20,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:20:20,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378838731] [2024-11-09 12:20:20,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:20:20,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:20:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:20,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 12:20:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:20,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 12:20:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:20,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:20:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:20,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 12:20:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:20,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 12:20:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:20,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 12:20:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:20:20,893 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 12:20:20,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:20:20,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378838731] [2024-11-09 12:20:20,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378838731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:20:20,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:20:20,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 12:20:20,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123845627] [2024-11-09 12:20:20,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:20:20,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:20:20,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:20:20,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:20:20,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:20:20,895 INFO L87 Difference]: Start difference. First operand 53927 states and 72452 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)