./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-94.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-94.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d91bd79856a8b9559a56a7e25213c7db2eb3158cb61927850418ed720a1561dc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 11:01:11,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 11:01:11,355 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 11:01:11,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 11:01:11,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 11:01:11,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 11:01:11,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 11:01:11,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 11:01:11,376 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 11:01:11,379 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 11:01:11,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 11:01:11,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 11:01:11,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 11:01:11,380 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 11:01:11,380 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 11:01:11,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 11:01:11,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 11:01:11,382 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 11:01:11,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 11:01:11,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 11:01:11,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 11:01:11,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 11:01:11,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 11:01:11,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 11:01:11,383 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 11:01:11,383 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 11:01:11,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 11:01:11,383 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 11:01:11,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 11:01:11,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 11:01:11,384 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 11:01:11,384 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 11:01:11,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 11:01:11,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 11:01:11,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 11:01:11,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 11:01:11,385 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 11:01:11,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 11:01:11,385 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 11:01:11,385 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 11:01:11,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 11:01:11,387 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 11:01:11,387 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d91bd79856a8b9559a56a7e25213c7db2eb3158cb61927850418ed720a1561dc [2024-10-11 11:01:11,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 11:01:11,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 11:01:11,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 11:01:11,621 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 11:01:11,622 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 11:01:11,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-94.i [2024-10-11 11:01:12,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 11:01:12,992 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 11:01:12,993 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-94.i [2024-10-11 11:01:13,020 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/04c8d2313/d6d7312e91d04290b3c9003b6c8c4755/FLAG41e94df43 [2024-10-11 11:01:13,361 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/04c8d2313/d6d7312e91d04290b3c9003b6c8c4755 [2024-10-11 11:01:13,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 11:01:13,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 11:01:13,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 11:01:13,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 11:01:13,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 11:01:13,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:01:13" (1/1) ... [2024-10-11 11:01:13,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bbea3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:01:13, skipping insertion in model container [2024-10-11 11:01:13,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:01:13" (1/1) ... [2024-10-11 11:01:13,396 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 11:01:13,527 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-94.i[916,929] [2024-10-11 11:01:13,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 11:01:13,595 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 11:01:13,604 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-94.i[916,929] [2024-10-11 11:01:13,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 11:01:13,650 INFO L204 MainTranslator]: Completed translation [2024-10-11 11:01:13,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:01:13 WrapperNode [2024-10-11 11:01:13,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 11:01:13,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 11:01:13,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 11:01:13,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 11:01:13,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:01:13" (1/1) ... [2024-10-11 11:01:13,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:01:13" (1/1) ... [2024-10-11 11:01:13,692 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2024-10-11 11:01:13,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 11:01:13,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 11:01:13,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 11:01:13,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 11:01:13,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:01:13" (1/1) ... [2024-10-11 11:01:13,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:01:13" (1/1) ... [2024-10-11 11:01:13,704 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:01:13" (1/1) ... [2024-10-11 11:01:13,716 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 11:01:13,716 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:01:13" (1/1) ... [2024-10-11 11:01:13,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:01:13" (1/1) ... [2024-10-11 11:01:13,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:01:13" (1/1) ... [2024-10-11 11:01:13,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:01:13" (1/1) ... [2024-10-11 11:01:13,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:01:13" (1/1) ... [2024-10-11 11:01:13,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:01:13" (1/1) ... [2024-10-11 11:01:13,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 11:01:13,731 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 11:01:13,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 11:01:13,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 11:01:13,732 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:01:13" (1/1) ... [2024-10-11 11:01:13,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 11:01:13,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 11:01:13,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 11:01:13,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 11:01:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 11:01:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 11:01:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 11:01:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 11:01:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 11:01:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 11:01:13,866 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 11:01:13,871 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 11:01:14,090 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-11 11:01:14,091 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 11:01:14,131 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 11:01:14,131 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 11:01:14,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:01:14 BoogieIcfgContainer [2024-10-11 11:01:14,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 11:01:14,133 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 11:01:14,133 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 11:01:14,136 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 11:01:14,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:01:13" (1/3) ... [2024-10-11 11:01:14,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e57ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:01:14, skipping insertion in model container [2024-10-11 11:01:14,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:01:13" (2/3) ... [2024-10-11 11:01:14,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e57ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:01:14, skipping insertion in model container [2024-10-11 11:01:14,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:01:14" (3/3) ... [2024-10-11 11:01:14,138 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-94.i [2024-10-11 11:01:14,150 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 11:01:14,150 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 11:01:14,199 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 11:01:14,204 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;@1317430c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 11:01:14,204 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 11:01:14,207 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-11 11:01:14,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-11 11:01:14,217 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:01:14,218 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:01:14,218 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:01:14,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:01:14,222 INFO L85 PathProgramCache]: Analyzing trace with hash 492354081, now seen corresponding path program 1 times [2024-10-11 11:01:14,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:01:14,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799380742] [2024-10-11 11:01:14,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:01:14,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:01:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:01:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:01:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:01:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:01:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:01:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:01:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:01:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:01:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:01:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:01:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:01:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:01:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 11:01:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 11:01:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 11:01:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 11:01:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 11:01:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 11:01:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 11:01:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 11:01:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 11:01:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 11:01:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 11:01:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 11:01:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 11:01:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 11:01:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 11:01:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 11:01:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 11:01:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 11:01:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 11:01:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:14,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 11:01:14,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:01:14,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799380742] [2024-10-11 11:01:14,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799380742] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:01:14,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:01:14,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 11:01:14,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955792356] [2024-10-11 11:01:14,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:01:14,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 11:01:14,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:01:14,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 11:01:14,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 11:01:14,692 INFO L87 Difference]: Start difference. First operand has 67 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 11:01:14,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:01:14,732 INFO L93 Difference]: Finished difference Result 131 states and 243 transitions. [2024-10-11 11:01:14,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 11:01:14,735 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 180 [2024-10-11 11:01:14,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:01:14,742 INFO L225 Difference]: With dead ends: 131 [2024-10-11 11:01:14,742 INFO L226 Difference]: Without dead ends: 65 [2024-10-11 11:01:14,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 11:01:14,749 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 11:01:14,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 11:01:14,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-10-11 11:01:14,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-10-11 11:01:14,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-11 11:01:14,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 102 transitions. [2024-10-11 11:01:14,787 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 102 transitions. Word has length 180 [2024-10-11 11:01:14,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:01:14,787 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 102 transitions. [2024-10-11 11:01:14,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-11 11:01:14,788 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2024-10-11 11:01:14,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-11 11:01:14,790 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:01:14,791 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:01:14,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 11:01:14,791 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:01:14,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:01:14,792 INFO L85 PathProgramCache]: Analyzing trace with hash -613894813, now seen corresponding path program 1 times [2024-10-11 11:01:14,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:01:14,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669486525] [2024-10-11 11:01:14,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:01:14,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:01:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:01:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:01:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:01:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:01:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:01:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:01:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:01:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:01:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:01:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:01:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:01:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:01:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 11:01:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 11:01:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 11:01:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 11:01:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 11:01:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 11:01:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 11:01:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 11:01:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 11:01:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 11:01:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 11:01:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 11:01:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 11:01:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 11:01:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 11:01:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 11:01:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 11:01:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 11:01:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 11:01:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:28,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 11:01:28,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:01:28,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669486525] [2024-10-11 11:01:28,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669486525] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:01:28,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:01:28,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 11:01:28,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881877276] [2024-10-11 11:01:28,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:01:28,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 11:01:28,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:01:28,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 11:01:28,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 11:01:28,905 INFO L87 Difference]: Start difference. First operand 65 states and 102 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 11:01:29,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:01:29,923 INFO L93 Difference]: Finished difference Result 82 states and 122 transitions. [2024-10-11 11:01:29,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 11:01:29,927 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 180 [2024-10-11 11:01:29,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:01:29,928 INFO L225 Difference]: With dead ends: 82 [2024-10-11 11:01:29,929 INFO L226 Difference]: Without dead ends: 80 [2024-10-11 11:01:29,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-11 11:01:29,930 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 35 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 11:01:29,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 309 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 11:01:29,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-11 11:01:29,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 69. [2024-10-11 11:01:29,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-11 11:01:29,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 107 transitions. [2024-10-11 11:01:29,946 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 107 transitions. Word has length 180 [2024-10-11 11:01:29,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:01:29,949 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 107 transitions. [2024-10-11 11:01:29,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 11:01:29,949 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2024-10-11 11:01:29,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-10-11 11:01:29,953 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:01:29,953 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:01:29,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 11:01:29,954 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:01:29,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:01:29,955 INFO L85 PathProgramCache]: Analyzing trace with hash -556636511, now seen corresponding path program 1 times [2024-10-11 11:01:29,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:01:29,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168890653] [2024-10-11 11:01:29,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:01:29,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:01:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:01:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:01:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:01:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:01:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:01:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:01:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:01:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:01:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:01:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:01:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:01:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:01:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 11:01:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 11:01:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 11:01:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 11:01:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 11:01:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 11:01:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 11:01:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 11:01:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 11:01:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 11:01:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 11:01:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 11:01:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 11:01:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 11:01:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 11:01:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 11:01:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 11:01:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 11:01:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 11:01:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:01:48,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 11:01:48,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:01:48,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168890653] [2024-10-11 11:01:48,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168890653] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:01:48,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:01:48,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 11:01:48,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621569098] [2024-10-11 11:01:48,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:01:48,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 11:01:48,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:01:48,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 11:01:48,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 11:01:48,423 INFO L87 Difference]: Start difference. First operand 69 states and 107 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 11:01:50,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:01:50,488 INFO L93 Difference]: Finished difference Result 76 states and 114 transitions. [2024-10-11 11:01:50,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 11:01:50,489 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 180 [2024-10-11 11:01:50,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:01:50,490 INFO L225 Difference]: With dead ends: 76 [2024-10-11 11:01:50,490 INFO L226 Difference]: Without dead ends: 74 [2024-10-11 11:01:50,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-11 11:01:50,492 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 17 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 11:01:50,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 337 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 11:01:50,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-10-11 11:01:50,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 67. [2024-10-11 11:01:50,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-11 11:01:50,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 104 transitions. [2024-10-11 11:01:50,501 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 104 transitions. Word has length 180 [2024-10-11 11:01:50,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:01:50,501 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 104 transitions. [2024-10-11 11:01:50,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 11:01:50,502 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2024-10-11 11:01:50,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-10-11 11:01:50,508 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:01:50,508 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:01:50,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 11:01:50,508 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:01:50,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:01:50,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1866691872, now seen corresponding path program 1 times [2024-10-11 11:01:50,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:01:50,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040827139] [2024-10-11 11:01:50,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:01:50,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:01:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:02:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:02:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:02:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:02:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:02:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:02:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:02:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:02:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:02:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:02:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:02:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:02:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 11:02:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 11:02:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 11:02:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 11:02:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 11:02:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 11:02:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 11:02:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 11:02:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 11:02:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 11:02:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 11:02:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 11:02:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 11:02:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 11:02:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 11:02:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 11:02:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 11:02:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 11:02:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 11:02:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 11:02:13,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:02:13,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040827139] [2024-10-11 11:02:13,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040827139] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:02:13,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:02:13,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 11:02:13,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511254298] [2024-10-11 11:02:13,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:02:13,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 11:02:13,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:02:13,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 11:02:13,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-11 11:02:13,171 INFO L87 Difference]: Start difference. First operand 67 states and 104 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 11:02:14,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:02:14,699 INFO L93 Difference]: Finished difference Result 75 states and 112 transitions. [2024-10-11 11:02:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 11:02:14,700 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 181 [2024-10-11 11:02:14,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:02:14,701 INFO L225 Difference]: With dead ends: 75 [2024-10-11 11:02:14,701 INFO L226 Difference]: Without dead ends: 73 [2024-10-11 11:02:14,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-10-11 11:02:14,702 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 46 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 11:02:14,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 324 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 11:02:14,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-10-11 11:02:14,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2024-10-11 11:02:14,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-11 11:02:14,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 104 transitions. [2024-10-11 11:02:14,713 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 104 transitions. Word has length 181 [2024-10-11 11:02:14,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:02:14,714 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 104 transitions. [2024-10-11 11:02:14,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 11:02:14,714 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2024-10-11 11:02:14,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-11 11:02:14,716 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:02:14,716 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:02:14,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 11:02:14,716 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:02:14,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:02:14,716 INFO L85 PathProgramCache]: Analyzing trace with hash -2043302866, now seen corresponding path program 1 times [2024-10-11 11:02:14,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:02:14,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793393124] [2024-10-11 11:02:14,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:02:14,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:02:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 11:02:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 11:02:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 11:02:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 11:02:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 11:02:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 11:02:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 11:02:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 11:02:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 11:02:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 11:02:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 11:02:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 11:02:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 11:02:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 11:02:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 11:02:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 11:02:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 11:02:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 11:02:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 11:02:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 11:02:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 11:02:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 11:02:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 11:02:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 11:02:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 11:02:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 11:02:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 11:02:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 11:02:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 11:02:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 11:02:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 11:02:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 11:02:34,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-11 11:02:34,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 11:02:34,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793393124] [2024-10-11 11:02:34,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793393124] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 11:02:34,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 11:02:34,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 11:02:34,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866342980] [2024-10-11 11:02:34,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 11:02:34,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 11:02:34,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 11:02:34,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 11:02:34,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-11 11:02:34,347 INFO L87 Difference]: Start difference. First operand 67 states and 104 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 11:02:34,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 11:02:34,964 INFO L93 Difference]: Finished difference Result 78 states and 115 transitions. [2024-10-11 11:02:34,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 11:02:34,965 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 182 [2024-10-11 11:02:34,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 11:02:34,966 INFO L225 Difference]: With dead ends: 78 [2024-10-11 11:02:34,966 INFO L226 Difference]: Without dead ends: 76 [2024-10-11 11:02:34,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-10-11 11:02:34,967 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 21 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 11:02:34,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 286 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 11:02:34,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-10-11 11:02:34,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 67. [2024-10-11 11:02:34,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-11 11:02:34,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 104 transitions. [2024-10-11 11:02:34,974 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 104 transitions. Word has length 182 [2024-10-11 11:02:34,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 11:02:34,975 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 104 transitions. [2024-10-11 11:02:34,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-11 11:02:34,975 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2024-10-11 11:02:34,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-11 11:02:34,976 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 11:02:34,976 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 11:02:34,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 11:02:34,976 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 11:02:34,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 11:02:34,977 INFO L85 PathProgramCache]: Analyzing trace with hash -2043243284, now seen corresponding path program 1 times [2024-10-11 11:02:34,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 11:02:34,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507659307] [2024-10-11 11:02:34,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 11:02:34,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 11:02:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat