./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_operatoramount_amount250_file-31.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_operatoramount_amount250_file-31.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 1d61576bd95995863195e6d31603d7d0e0f99690d42c4edb47100435eb123db7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 12:24:49,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 12:24:49,313 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 12:24:49,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 12:24:49,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 12:24:49,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 12:24:49,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 12:24:49,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 12:24:49,371 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 12:24:49,372 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 12:24:49,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 12:24:49,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 12:24:49,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 12:24:49,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 12:24:49,377 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 12:24:49,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 12:24:49,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 12:24:49,378 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 12:24:49,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 12:24:49,378 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 12:24:49,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 12:24:49,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 12:24:49,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 12:24:49,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 12:24:49,383 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 12:24:49,383 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 12:24:49,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 12:24:49,384 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 12:24:49,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 12:24:49,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 12:24:49,385 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 12:24:49,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 12:24:49,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:24:49,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 12:24:49,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 12:24:49,386 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 12:24:49,386 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 12:24:49,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 12:24:49,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 12:24:49,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 12:24:49,387 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 12:24:49,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 12:24:49,389 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d61576bd95995863195e6d31603d7d0e0f99690d42c4edb47100435eb123db7 [2024-10-11 12:24:49,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 12:24:49,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 12:24:49,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 12:24:49,704 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 12:24:49,704 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 12:24:49,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-31.i [2024-10-11 12:24:51,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 12:24:51,569 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 12:24:51,570 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-31.i [2024-10-11 12:24:51,588 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/6a612d14c/5ebe51de6b0a451b8e397f309b36a55c/FLAGf9d2d2577 [2024-10-11 12:24:51,894 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/6a612d14c/5ebe51de6b0a451b8e397f309b36a55c [2024-10-11 12:24:51,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 12:24:51,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 12:24:51,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 12:24:51,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 12:24:51,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 12:24:51,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:51" (1/1) ... [2024-10-11 12:24:51,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@835feee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:51, skipping insertion in model container [2024-10-11 12:24:51,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:51" (1/1) ... [2024-10-11 12:24:51,966 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 12:24:52,157 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_operatoramount_amount250_file-31.i[916,929] [2024-10-11 12:24:52,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:24:52,356 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 12:24:52,368 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_operatoramount_amount250_file-31.i[916,929] [2024-10-11 12:24:52,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:24:52,492 INFO L204 MainTranslator]: Completed translation [2024-10-11 12:24:52,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:52 WrapperNode [2024-10-11 12:24:52,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 12:24:52,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 12:24:52,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 12:24:52,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 12:24:52,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:52" (1/1) ... [2024-10-11 12:24:52,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:52" (1/1) ... [2024-10-11 12:24:52,614 INFO L138 Inliner]: procedures = 26, calls = 71, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 453 [2024-10-11 12:24:52,615 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 12:24:52,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 12:24:52,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 12:24:52,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 12:24:52,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:52" (1/1) ... [2024-10-11 12:24:52,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:52" (1/1) ... [2024-10-11 12:24:52,648 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:52" (1/1) ... [2024-10-11 12:24:52,708 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 12:24:52,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:52" (1/1) ... [2024-10-11 12:24:52,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:52" (1/1) ... [2024-10-11 12:24:52,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:52" (1/1) ... [2024-10-11 12:24:52,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:52" (1/1) ... [2024-10-11 12:24:52,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:52" (1/1) ... [2024-10-11 12:24:52,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:52" (1/1) ... [2024-10-11 12:24:52,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 12:24:52,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 12:24:52,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 12:24:52,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 12:24:52,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:52" (1/1) ... [2024-10-11 12:24:52,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:24:52,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:24:52,840 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 12:24:52,842 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 12:24:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 12:24:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 12:24:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 12:24:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 12:24:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 12:24:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 12:24:53,001 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 12:24:53,005 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 12:24:54,023 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-10-11 12:24:54,024 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 12:24:54,071 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 12:24:54,073 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 12:24:54,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:54 BoogieIcfgContainer [2024-10-11 12:24:54,073 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 12:24:54,076 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 12:24:54,076 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 12:24:54,079 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 12:24:54,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:24:51" (1/3) ... [2024-10-11 12:24:54,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc2e8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:54, skipping insertion in model container [2024-10-11 12:24:54,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:52" (2/3) ... [2024-10-11 12:24:54,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc2e8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:54, skipping insertion in model container [2024-10-11 12:24:54,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:54" (3/3) ... [2024-10-11 12:24:54,083 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-31.i [2024-10-11 12:24:54,099 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 12:24:54,100 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 12:24:54,190 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 12:24:54,197 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;@ea42b61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 12:24:54,198 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 12:24:54,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 191 states, 130 states have (on average 1.5) internal successors, (195), 131 states have internal predecessors, (195), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-11 12:24:54,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2024-10-11 12:24:54,231 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:24:54,232 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:54,233 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:24:54,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:24:54,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1164763320, now seen corresponding path program 1 times [2024-10-11 12:24:54,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:24:54,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595494124] [2024-10-11 12:24:54,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:24:54,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:24:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:24:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:24:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 12:24:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:24:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 12:24:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:24:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 12:24:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:24:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 12:24:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:24:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 12:24:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:24:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 12:24:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:24:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 12:24:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:24:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 12:24:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:24:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:24:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 12:24:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:24:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:24:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:24:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:24:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:54,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 12:24:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:24:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:24:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:24:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:24:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 12:24:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:24:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 12:24:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:24:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 12:24:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 12:24:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:24:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 12:24:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:24:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 12:24:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:24:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 12:24:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:24:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 12:24:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:24:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 12:24:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:24:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 12:24:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 12:24:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 12:24:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 12:24:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 12:24:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 12:24:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 12:24:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 12:24:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 12:24:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 12:24:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 12:24:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-11 12:24:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-11 12:24:55,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:24:55,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595494124] [2024-10-11 12:24:55,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595494124] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:24:55,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:24:55,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 12:24:55,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679138331] [2024-10-11 12:24:55,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:24:55,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 12:24:55,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:24:55,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 12:24:55,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 12:24:55,328 INFO L87 Difference]: Start difference. First operand has 191 states, 130 states have (on average 1.5) internal successors, (195), 131 states have internal predecessors, (195), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 2 states have call successors, (58) [2024-10-11 12:24:55,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:24:55,413 INFO L93 Difference]: Finished difference Result 378 states and 676 transitions. [2024-10-11 12:24:55,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 12:24:55,419 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 2 states have call successors, (58) Word has length 370 [2024-10-11 12:24:55,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:24:55,430 INFO L225 Difference]: With dead ends: 378 [2024-10-11 12:24:55,433 INFO L226 Difference]: Without dead ends: 188 [2024-10-11 12:24:55,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 176 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 12:24:55,448 INFO L432 NwaCegarLoop]: 300 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, 300 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 12:24:55,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 300 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 12:24:55,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-10-11 12:24:55,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2024-10-11 12:24:55,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 128 states have (on average 1.4609375) internal successors, (187), 128 states have internal predecessors, (187), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-11 12:24:55,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 303 transitions. [2024-10-11 12:24:55,540 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 303 transitions. Word has length 370 [2024-10-11 12:24:55,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:24:55,541 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 303 transitions. [2024-10-11 12:24:55,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 2 states have call successors, (58) [2024-10-11 12:24:55,542 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 303 transitions. [2024-10-11 12:24:55,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2024-10-11 12:24:55,555 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:24:55,556 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:55,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 12:24:55,556 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:24:55,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:24:55,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1381761988, now seen corresponding path program 1 times [2024-10-11 12:24:55,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:24:55,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009874368] [2024-10-11 12:24:55,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:24:55,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:24:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:24:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:24:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 12:24:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:24:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 12:24:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:24:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 12:24:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:24:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 12:24:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:24:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 12:24:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:24:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 12:24:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:24:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 12:24:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:24:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 12:24:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:24:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:24:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:55,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 12:24:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:24:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:24:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:24:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:24:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 12:24:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:24:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:24:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:24:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:24:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 12:24:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:24:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 12:24:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:24:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 12:24:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 12:24:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:24:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 12:24:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:24:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 12:24:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:24:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 12:24:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:24:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 12:24:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:24:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 12:24:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:24:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 12:24:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 12:24:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 12:24:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 12:24:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 12:24:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 12:24:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 12:24:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 12:24:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 12:24:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 12:24:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 12:24:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-11 12:24:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:56,201 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-11 12:24:56,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:24:56,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009874368] [2024-10-11 12:24:56,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009874368] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:24:56,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:24:56,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 12:24:56,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057217019] [2024-10-11 12:24:56,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:24:56,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 12:24:56,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:24:56,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 12:24:56,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:24:56,206 INFO L87 Difference]: Start difference. First operand 188 states and 303 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-11 12:24:56,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:24:56,321 INFO L93 Difference]: Finished difference Result 554 states and 891 transitions. [2024-10-11 12:24:56,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 12:24:56,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 370 [2024-10-11 12:24:56,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:24:56,328 INFO L225 Difference]: With dead ends: 554 [2024-10-11 12:24:56,329 INFO L226 Difference]: Without dead ends: 367 [2024-10-11 12:24:56,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:24:56,335 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 266 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 12:24:56,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 570 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 12:24:56,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-10-11 12:24:56,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 364. [2024-10-11 12:24:56,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 245 states have (on average 1.4244897959183673) internal successors, (349), 245 states have internal predecessors, (349), 116 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2024-10-11 12:24:56,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 581 transitions. [2024-10-11 12:24:56,426 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 581 transitions. Word has length 370 [2024-10-11 12:24:56,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:24:56,428 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 581 transitions. [2024-10-11 12:24:56,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-11 12:24:56,430 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 581 transitions. [2024-10-11 12:24:56,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2024-10-11 12:24:56,437 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:24:56,437 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:56,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 12:24:56,438 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:24:56,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:24:56,439 INFO L85 PathProgramCache]: Analyzing trace with hash -124846698, now seen corresponding path program 1 times [2024-10-11 12:24:56,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:24:56,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742127585] [2024-10-11 12:24:56,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:24:56,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:24:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:24:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:24:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 12:24:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:24:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 12:24:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:24:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 12:24:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:24:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 12:24:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:24:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 12:24:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:24:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 12:24:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:24:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 12:24:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:24:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 12:24:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:24:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:24:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 12:24:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:24:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:24:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:24:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:24:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 12:24:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:24:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:24:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:24:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:24:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 12:24:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:24:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 12:24:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:24:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 12:24:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 12:24:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:24:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 12:24:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:24:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 12:24:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:24:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 12:24:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:24:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 12:24:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:24:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 12:24:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:24:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 12:24:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 12:24:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 12:24:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 12:24:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 12:24:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 12:24:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 12:24:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 12:24:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 12:24:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 12:24:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 12:24:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-11 12:24:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:57,405 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-11 12:24:57,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:24:57,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742127585] [2024-10-11 12:24:57,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742127585] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:24:57,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:24:57,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 12:24:57,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661987467] [2024-10-11 12:24:57,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:24:57,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 12:24:57,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:24:57,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 12:24:57,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:24:57,412 INFO L87 Difference]: Start difference. First operand 364 states and 581 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-11 12:24:57,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:24:57,478 INFO L93 Difference]: Finished difference Result 727 states and 1161 transitions. [2024-10-11 12:24:57,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 12:24:57,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 371 [2024-10-11 12:24:57,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:24:57,488 INFO L225 Difference]: With dead ends: 727 [2024-10-11 12:24:57,489 INFO L226 Difference]: Without dead ends: 364 [2024-10-11 12:24:57,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:24:57,493 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 0 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:24:57,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 591 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 12:24:57,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-11 12:24:57,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2024-10-11 12:24:57,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 245 states have (on average 1.416326530612245) internal successors, (347), 245 states have internal predecessors, (347), 116 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2024-10-11 12:24:57,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 579 transitions. [2024-10-11 12:24:57,545 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 579 transitions. Word has length 371 [2024-10-11 12:24:57,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:24:57,547 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 579 transitions. [2024-10-11 12:24:57,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-11 12:24:57,548 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 579 transitions. [2024-10-11 12:24:57,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2024-10-11 12:24:57,553 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:24:57,554 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:57,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 12:24:57,555 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:24:57,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:24:57,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1154205996, now seen corresponding path program 1 times [2024-10-11 12:24:57,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:24:57,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14866382] [2024-10-11 12:24:57,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:24:57,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:24:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:24:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:24:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 12:24:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:24:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 12:24:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:24:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 12:24:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:24:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 12:24:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:24:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 12:24:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:24:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 12:24:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:24:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 12:24:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:24:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 12:24:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:24:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:24:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 12:24:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:24:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:24:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:24:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:24:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 12:24:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:24:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:24:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:24:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:24:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 12:24:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:24:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 12:24:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:24:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 12:24:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 12:24:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:24:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 12:24:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:24:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 12:24:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:24:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 12:24:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:24:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 12:24:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:24:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 12:24:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:24:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 12:24:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 12:24:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 12:24:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 12:24:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 12:24:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 12:24:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 12:24:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 12:24:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 12:24:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 12:24:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 12:24:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-11 12:24:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:24:58,933 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-11 12:24:58,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:24:58,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14866382] [2024-10-11 12:24:58,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14866382] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:24:58,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:24:58,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 12:24:58,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931852385] [2024-10-11 12:24:58,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:24:58,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 12:24:58,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:24:58,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 12:24:58,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:24:58,937 INFO L87 Difference]: Start difference. First operand 364 states and 579 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-11 12:24:59,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:24:59,449 INFO L93 Difference]: Finished difference Result 976 states and 1550 transitions. [2024-10-11 12:24:59,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 12:24:59,450 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 371 [2024-10-11 12:24:59,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:24:59,457 INFO L225 Difference]: With dead ends: 976 [2024-10-11 12:24:59,458 INFO L226 Difference]: Without dead ends: 613 [2024-10-11 12:24:59,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 12:24:59,461 INFO L432 NwaCegarLoop]: 287 mSDtfsCounter, 197 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 12:24:59,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 1010 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 12:24:59,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2024-10-11 12:24:59,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 599. [2024-10-11 12:24:59,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 421 states have (on average 1.4323040380047507) internal successors, (603), 421 states have internal predecessors, (603), 174 states have call successors, (174), 3 states have call predecessors, (174), 3 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2024-10-11 12:24:59,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 951 transitions. [2024-10-11 12:24:59,543 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 951 transitions. Word has length 371 [2024-10-11 12:24:59,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:24:59,544 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 951 transitions. [2024-10-11 12:24:59,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-11 12:24:59,545 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 951 transitions. [2024-10-11 12:24:59,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2024-10-11 12:24:59,550 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:24:59,550 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:59,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 12:24:59,551 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:24:59,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:24:59,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1936543463, now seen corresponding path program 1 times [2024-10-11 12:24:59,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:24:59,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294840616] [2024-10-11 12:24:59,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:24:59,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:24:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:25:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:25:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 12:25:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:25:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 12:25:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:25:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 12:25:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:25:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 12:25:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:25:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 12:25:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:25:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 12:25:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:25:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 12:25:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:25:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 12:25:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:25:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:25:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 12:25:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:25:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:25:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:25:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:25:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 12:25:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:25:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:25:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:25:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:25:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 12:25:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:25:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 12:25:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:25:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 12:25:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 12:25:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:25:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 12:25:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:25:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 12:25:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:25:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 12:25:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:25:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 12:25:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:25:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 12:25:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:25:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 12:25:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 12:25:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 12:25:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 12:25:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 12:25:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 12:25:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 12:25:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 12:25:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 12:25:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 12:25:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 12:25:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-11 12:25:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:00,359 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-11 12:25:00,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:25:00,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294840616] [2024-10-11 12:25:00,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294840616] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:25:00,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:25:00,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 12:25:00,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772688009] [2024-10-11 12:25:00,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:25:00,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 12:25:00,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:25:00,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 12:25:00,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:25:00,363 INFO L87 Difference]: Start difference. First operand 599 states and 951 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-11 12:25:00,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:25:00,703 INFO L93 Difference]: Finished difference Result 1105 states and 1751 transitions. [2024-10-11 12:25:00,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 12:25:00,704 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 372 [2024-10-11 12:25:00,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:25:00,711 INFO L225 Difference]: With dead ends: 1105 [2024-10-11 12:25:00,711 INFO L226 Difference]: Without dead ends: 607 [2024-10-11 12:25:00,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:25:00,715 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 254 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 12:25:00,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 871 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 12:25:00,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-10-11 12:25:00,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 595. [2024-10-11 12:25:00,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 417 states have (on average 1.4268585131894485) internal successors, (595), 417 states have internal predecessors, (595), 174 states have call successors, (174), 3 states have call predecessors, (174), 3 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2024-10-11 12:25:00,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 943 transitions. [2024-10-11 12:25:00,776 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 943 transitions. Word has length 372 [2024-10-11 12:25:00,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:25:00,777 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 943 transitions. [2024-10-11 12:25:00,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-11 12:25:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 943 transitions. [2024-10-11 12:25:00,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2024-10-11 12:25:00,783 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:25:00,783 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:00,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 12:25:00,784 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:25:00,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:25:00,784 INFO L85 PathProgramCache]: Analyzing trace with hash 2045334329, now seen corresponding path program 1 times [2024-10-11 12:25:00,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:25:00,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155196186] [2024-10-11 12:25:00,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:25:00,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:25:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:25:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:25:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 12:25:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:25:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 12:25:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:25:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 12:25:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:25:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 12:25:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:25:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 12:25:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:25:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 12:25:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:25:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 12:25:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:25:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 12:25:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:25:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:25:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 12:25:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:25:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:25:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:25:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:25:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 12:25:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:25:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:25:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:25:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:25:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 12:25:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:25:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 12:25:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:25:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 12:25:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 12:25:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:25:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 12:25:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:25:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 12:25:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:25:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 12:25:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:25:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 12:25:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:25:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 12:25:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:25:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 12:25:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 12:25:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 12:25:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 12:25:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 12:25:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 12:25:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 12:25:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 12:25:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 12:25:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 12:25:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 12:25:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-11 12:25:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,570 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 195 proven. 141 refuted. 0 times theorem prover too weak. 6276 trivial. 0 not checked. [2024-10-11 12:25:02,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:25:02,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155196186] [2024-10-11 12:25:02,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155196186] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 12:25:02,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429977807] [2024-10-11 12:25:02,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:25:02,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:25:02,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:25:02,574 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 12:25:02,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 12:25:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:02,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-11 12:25:02,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:25:05,614 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 3758 proven. 153 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-10-11 12:25:05,614 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 12:25:07,945 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 342 proven. 162 refuted. 0 times theorem prover too weak. 6108 trivial. 0 not checked. [2024-10-11 12:25:07,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429977807] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 12:25:07,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 12:25:07,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 14, 15] total 34 [2024-10-11 12:25:07,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180910651] [2024-10-11 12:25:07,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 12:25:07,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-11 12:25:07,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:25:07,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-11 12:25:07,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=836, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 12:25:07,953 INFO L87 Difference]: Start difference. First operand 595 states and 943 transitions. Second operand has 34 states, 33 states have (on average 6.0) internal successors, (198), 32 states have internal predecessors, (198), 11 states have call successors, (174), 5 states have call predecessors, (174), 11 states have return successors, (174), 11 states have call predecessors, (174), 11 states have call successors, (174) [2024-10-11 12:25:14,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:25:14,657 INFO L93 Difference]: Finished difference Result 2525 states and 3948 transitions. [2024-10-11 12:25:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-10-11 12:25:14,658 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 6.0) internal successors, (198), 32 states have internal predecessors, (198), 11 states have call successors, (174), 5 states have call predecessors, (174), 11 states have return successors, (174), 11 states have call predecessors, (174), 11 states have call successors, (174) Word has length 373 [2024-10-11 12:25:14,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:25:14,671 INFO L225 Difference]: With dead ends: 2525 [2024-10-11 12:25:14,672 INFO L226 Difference]: Without dead ends: 2036 [2024-10-11 12:25:14,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 923 GetRequests, 842 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2317 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1726, Invalid=5080, Unknown=0, NotChecked=0, Total=6806 [2024-10-11 12:25:14,681 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 3227 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 3243 mSolverCounterSat, 1755 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3276 SdHoareTripleChecker+Valid, 3914 SdHoareTripleChecker+Invalid, 4998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1755 IncrementalHoareTripleChecker+Valid, 3243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-10-11 12:25:14,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3276 Valid, 3914 Invalid, 4998 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1755 Valid, 3243 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-10-11 12:25:14,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2036 states. [2024-10-11 12:25:14,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2036 to 1295. [2024-10-11 12:25:14,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1295 states, 960 states have (on average 1.4375) internal successors, (1380), 962 states have internal predecessors, (1380), 320 states have call successors, (320), 14 states have call predecessors, (320), 14 states have return successors, (320), 318 states have call predecessors, (320), 320 states have call successors, (320) [2024-10-11 12:25:14,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 2020 transitions. [2024-10-11 12:25:14,905 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 2020 transitions. Word has length 373 [2024-10-11 12:25:14,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:25:14,907 INFO L471 AbstractCegarLoop]: Abstraction has 1295 states and 2020 transitions. [2024-10-11 12:25:14,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 6.0) internal successors, (198), 32 states have internal predecessors, (198), 11 states have call successors, (174), 5 states have call predecessors, (174), 11 states have return successors, (174), 11 states have call predecessors, (174), 11 states have call successors, (174) [2024-10-11 12:25:14,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 2020 transitions. [2024-10-11 12:25:14,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2024-10-11 12:25:14,915 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:25:14,915 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:14,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 12:25:15,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:25:15,117 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:25:15,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:25:15,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1903359873, now seen corresponding path program 1 times [2024-10-11 12:25:15,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:25:15,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560759663] [2024-10-11 12:25:15,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:25:15,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:25:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:25:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:25:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 12:25:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:25:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 12:25:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:25:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 12:25:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:25:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 12:25:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:25:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 12:25:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:25:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 12:25:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:25:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 12:25:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:25:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 12:25:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:25:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:25:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 12:25:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:25:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:25:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:25:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:25:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 12:25:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:25:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:25:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:25:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:25:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 12:25:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:25:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 12:25:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:25:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 12:25:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 12:25:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:25:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 12:25:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:25:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 12:25:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:25:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 12:25:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:25:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 12:25:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:25:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 12:25:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:25:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 12:25:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 12:25:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 12:25:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 12:25:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 12:25:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 12:25:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 12:25:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 12:25:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 12:25:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 12:25:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 12:25:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-11 12:25:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:15,847 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-11 12:25:15,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:25:15,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560759663] [2024-10-11 12:25:15,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560759663] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:25:15,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:25:15,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 12:25:15,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511027714] [2024-10-11 12:25:15,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:25:15,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 12:25:15,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:25:15,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 12:25:15,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:25:15,850 INFO L87 Difference]: Start difference. First operand 1295 states and 2020 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-11 12:25:16,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:25:16,319 INFO L93 Difference]: Finished difference Result 3418 states and 5323 transitions. [2024-10-11 12:25:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 12:25:16,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 373 [2024-10-11 12:25:16,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:25:16,337 INFO L225 Difference]: With dead ends: 3418 [2024-10-11 12:25:16,338 INFO L226 Difference]: Without dead ends: 2242 [2024-10-11 12:25:16,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:25:16,345 INFO L432 NwaCegarLoop]: 287 mSDtfsCounter, 405 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 12:25:16,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 858 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 12:25:16,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2242 states. [2024-10-11 12:25:16,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2242 to 1857. [2024-10-11 12:25:16,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1857 states, 1386 states have (on average 1.4256854256854257) internal successors, (1976), 1389 states have internal predecessors, (1976), 451 states have call successors, (451), 19 states have call predecessors, (451), 19 states have return successors, (451), 448 states have call predecessors, (451), 451 states have call successors, (451) [2024-10-11 12:25:16,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1857 states and 2878 transitions. [2024-10-11 12:25:16,676 INFO L78 Accepts]: Start accepts. Automaton has 1857 states and 2878 transitions. Word has length 373 [2024-10-11 12:25:16,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:25:16,677 INFO L471 AbstractCegarLoop]: Abstraction has 1857 states and 2878 transitions. [2024-10-11 12:25:16,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-11 12:25:16,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2878 transitions. [2024-10-11 12:25:16,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2024-10-11 12:25:16,683 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:25:16,683 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:16,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 12:25:16,684 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:25:16,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:25:16,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1551183023, now seen corresponding path program 1 times [2024-10-11 12:25:16,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:25:16,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593406998] [2024-10-11 12:25:16,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:25:16,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:25:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:25:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:25:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 12:25:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:25:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 12:25:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:25:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 12:25:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:25:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 12:25:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:25:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 12:25:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:25:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 12:25:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:25:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 12:25:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:25:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 12:25:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:25:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:25:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 12:25:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:25:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:25:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:25:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:25:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 12:25:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:25:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:25:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:25:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:25:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 12:25:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:25:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 12:25:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:25:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 12:25:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 12:25:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:25:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 12:25:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:25:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 12:25:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:25:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 12:25:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:25:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 12:25:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:25:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 12:25:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:25:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 12:25:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 12:25:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 12:25:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 12:25:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 12:25:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 12:25:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 12:25:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 12:25:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 12:25:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 12:25:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 12:25:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-11 12:25:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:18,992 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 780 proven. 15 refuted. 0 times theorem prover too weak. 5817 trivial. 0 not checked. [2024-10-11 12:25:18,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:25:18,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593406998] [2024-10-11 12:25:18,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593406998] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 12:25:18,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740239774] [2024-10-11 12:25:18,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:25:18,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:25:18,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:25:18,995 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 12:25:18,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 12:25:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:19,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-11 12:25:19,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:25:20,771 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 1639 proven. 21 refuted. 0 times theorem prover too weak. 4952 trivial. 0 not checked. [2024-10-11 12:25:20,772 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 12:25:21,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740239774] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 12:25:21,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 12:25:21,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 22] total 29 [2024-10-11 12:25:21,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984896334] [2024-10-11 12:25:21,188 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 12:25:21,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-11 12:25:21,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:25:21,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-11 12:25:21,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=875, Unknown=0, NotChecked=0, Total=1056 [2024-10-11 12:25:21,192 INFO L87 Difference]: Start difference. First operand 1857 states and 2878 transitions. Second operand has 29 states, 28 states have (on average 5.392857142857143) internal successors, (151), 26 states have internal predecessors, (151), 10 states have call successors, (65), 6 states have call predecessors, (65), 9 states have return successors, (66), 12 states have call predecessors, (66), 10 states have call successors, (66) [2024-10-11 12:25:24,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:25:24,651 INFO L93 Difference]: Finished difference Result 4821 states and 7185 transitions. [2024-10-11 12:25:24,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-11 12:25:24,652 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 5.392857142857143) internal successors, (151), 26 states have internal predecessors, (151), 10 states have call successors, (65), 6 states have call predecessors, (65), 9 states have return successors, (66), 12 states have call predecessors, (66), 10 states have call successors, (66) Word has length 374 [2024-10-11 12:25:24,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:25:24,678 INFO L225 Difference]: With dead ends: 4821 [2024-10-11 12:25:24,678 INFO L226 Difference]: Without dead ends: 3388 [2024-10-11 12:25:24,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=945, Invalid=3477, Unknown=0, NotChecked=0, Total=4422 [2024-10-11 12:25:24,689 INFO L432 NwaCegarLoop]: 447 mSDtfsCounter, 803 mSDsluCounter, 2666 mSDsCounter, 0 mSdLazyCounter, 1937 mSolverCounterSat, 413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 854 SdHoareTripleChecker+Valid, 3113 SdHoareTripleChecker+Invalid, 2350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 413 IncrementalHoareTripleChecker+Valid, 1937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:25:24,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [854 Valid, 3113 Invalid, 2350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [413 Valid, 1937 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-11 12:25:24,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3388 states. [2024-10-11 12:25:25,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3388 to 2479. [2024-10-11 12:25:25,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2479 states, 1876 states have (on average 1.378997867803838) internal successors, (2587), 1880 states have internal predecessors, (2587), 536 states have call successors, (536), 66 states have call predecessors, (536), 66 states have return successors, (536), 532 states have call predecessors, (536), 536 states have call successors, (536) [2024-10-11 12:25:25,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2479 states and 3659 transitions. [2024-10-11 12:25:25,084 INFO L78 Accepts]: Start accepts. Automaton has 2479 states and 3659 transitions. Word has length 374 [2024-10-11 12:25:25,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:25:25,085 INFO L471 AbstractCegarLoop]: Abstraction has 2479 states and 3659 transitions. [2024-10-11 12:25:25,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 5.392857142857143) internal successors, (151), 26 states have internal predecessors, (151), 10 states have call successors, (65), 6 states have call predecessors, (65), 9 states have return successors, (66), 12 states have call predecessors, (66), 10 states have call successors, (66) [2024-10-11 12:25:25,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 3659 transitions. [2024-10-11 12:25:25,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2024-10-11 12:25:25,091 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:25:25,091 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:25,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 12:25:25,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:25:25,296 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:25:25,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:25:25,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1286109581, now seen corresponding path program 1 times [2024-10-11 12:25:25,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:25:25,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806490253] [2024-10-11 12:25:25,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:25:25,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:25:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:25:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:25:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 12:25:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:25:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 12:25:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:25:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 12:25:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:25:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 12:25:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:25:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 12:25:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:25:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 12:25:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:25:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 12:25:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:25:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 12:25:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:25:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:25:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 12:25:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:25:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:25:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:25:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:25:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 12:25:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:25:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:25:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:25:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:25:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 12:25:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:25:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 12:25:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:25:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 12:25:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 12:25:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:25,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:25:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 12:25:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:25:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 12:25:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:25:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 12:25:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:25:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 12:25:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:25:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 12:25:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:25:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 12:25:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 12:25:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 12:25:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 12:25:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 12:25:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 12:25:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 12:25:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 12:25:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 12:25:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 12:25:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 12:25:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-11 12:25:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:26,153 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-11 12:25:26,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:25:26,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806490253] [2024-10-11 12:25:26,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806490253] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:25:26,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:25:26,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 12:25:26,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366355195] [2024-10-11 12:25:26,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:25:26,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 12:25:26,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:25:26,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 12:25:26,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 12:25:26,159 INFO L87 Difference]: Start difference. First operand 2479 states and 3659 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2024-10-11 12:25:27,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:25:27,613 INFO L93 Difference]: Finished difference Result 6849 states and 10129 transitions. [2024-10-11 12:25:27,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 12:25:27,614 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) Word has length 374 [2024-10-11 12:25:27,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:25:27,647 INFO L225 Difference]: With dead ends: 6849 [2024-10-11 12:25:27,647 INFO L226 Difference]: Without dead ends: 5416 [2024-10-11 12:25:27,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-11 12:25:27,657 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 621 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 1567 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 12:25:27,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 1567 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 12:25:27,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5416 states. [2024-10-11 12:25:28,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5416 to 4822. [2024-10-11 12:25:28,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4822 states, 3793 states have (on average 1.3783284998681782) internal successors, (5228), 3805 states have internal predecessors, (5228), 918 states have call successors, (918), 110 states have call predecessors, (918), 110 states have return successors, (918), 906 states have call predecessors, (918), 918 states have call successors, (918) [2024-10-11 12:25:28,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4822 states to 4822 states and 7064 transitions. [2024-10-11 12:25:28,372 INFO L78 Accepts]: Start accepts. Automaton has 4822 states and 7064 transitions. Word has length 374 [2024-10-11 12:25:28,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:25:28,373 INFO L471 AbstractCegarLoop]: Abstraction has 4822 states and 7064 transitions. [2024-10-11 12:25:28,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2024-10-11 12:25:28,374 INFO L276 IsEmpty]: Start isEmpty. Operand 4822 states and 7064 transitions. [2024-10-11 12:25:28,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-10-11 12:25:28,377 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:25:28,378 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:28,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 12:25:28,378 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:25:28,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:25:28,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1308498483, now seen corresponding path program 1 times [2024-10-11 12:25:28,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:25:28,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136268868] [2024-10-11 12:25:28,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:25:28,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:25:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 12:25:28,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [762350202] [2024-10-11 12:25:28,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:25:28,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:25:28,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:25:28,785 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 12:25:28,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 12:25:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:29,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 12:25:29,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:25:29,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 2713 proven. 123 refuted. 0 times theorem prover too weak. 3776 trivial. 0 not checked. [2024-10-11 12:25:29,774 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 12:25:30,171 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-11 12:25:30,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:25:30,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136268868] [2024-10-11 12:25:30,172 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 12:25:30,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762350202] [2024-10-11 12:25:30,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762350202] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-11 12:25:30,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 12:25:30,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-10-11 12:25:30,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981464320] [2024-10-11 12:25:30,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:25:30,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 12:25:30,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:25:30,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 12:25:30,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-10-11 12:25:30,175 INFO L87 Difference]: Start difference. First operand 4822 states and 7064 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-11 12:25:32,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:25:32,463 INFO L93 Difference]: Finished difference Result 18024 states and 26384 transitions. [2024-10-11 12:25:32,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 12:25:32,464 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 375 [2024-10-11 12:25:32,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:25:32,562 INFO L225 Difference]: With dead ends: 18024 [2024-10-11 12:25:32,562 INFO L226 Difference]: Without dead ends: 13482 [2024-10-11 12:25:32,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 754 GetRequests, 737 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-10-11 12:25:32,585 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 763 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 763 SdHoareTripleChecker+Valid, 1327 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 12:25:32,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [763 Valid, 1327 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 12:25:32,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13482 states. [2024-10-11 12:25:33,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13482 to 7626. [2024-10-11 12:25:33,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7626 states, 6369 states have (on average 1.4063432249960748) internal successors, (8957), 6395 states have internal predecessors, (8957), 1123 states have call successors, (1123), 133 states have call predecessors, (1123), 133 states have return successors, (1123), 1097 states have call predecessors, (1123), 1123 states have call successors, (1123) [2024-10-11 12:25:33,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7626 states to 7626 states and 11203 transitions. [2024-10-11 12:25:33,714 INFO L78 Accepts]: Start accepts. Automaton has 7626 states and 11203 transitions. Word has length 375 [2024-10-11 12:25:33,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:25:33,717 INFO L471 AbstractCegarLoop]: Abstraction has 7626 states and 11203 transitions. [2024-10-11 12:25:33,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-11 12:25:33,721 INFO L276 IsEmpty]: Start isEmpty. Operand 7626 states and 11203 transitions. [2024-10-11 12:25:33,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-10-11 12:25:33,729 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:25:33,730 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:33,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 12:25:33,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:25:33,931 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:25:33,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:25:33,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1246458869, now seen corresponding path program 1 times [2024-10-11 12:25:33,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:25:33,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303409439] [2024-10-11 12:25:33,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:25:33,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:25:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:25:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:25:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 12:25:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:25:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 12:25:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:25:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 12:25:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:25:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 12:25:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:25:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 12:25:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:25:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 12:25:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:25:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 12:25:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:25:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 12:25:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:25:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:25:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 12:25:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:25:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:25:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:25:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:25:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 12:25:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:25:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:25:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:25:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:25:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 12:25:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:25:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 12:25:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:25:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 12:25:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 12:25:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:25:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 12:25:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:25:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 12:25:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:25:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 12:25:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:25:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 12:25:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:25:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 12:25:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:25:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 12:25:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 12:25:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 12:25:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 12:25:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 12:25:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 12:25:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 12:25:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 12:25:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 12:25:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 12:25:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 12:25:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:34,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-11 12:25:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:35,003 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 111 proven. 60 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2024-10-11 12:25:35,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:25:35,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303409439] [2024-10-11 12:25:35,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303409439] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 12:25:35,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190130941] [2024-10-11 12:25:35,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:25:35,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:25:35,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:25:35,006 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 12:25:35,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 12:25:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:35,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 12:25:35,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:25:36,113 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 3091 proven. 60 refuted. 0 times theorem prover too weak. 3461 trivial. 0 not checked. [2024-10-11 12:25:36,113 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 12:25:36,683 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 111 proven. 60 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2024-10-11 12:25:36,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190130941] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 12:25:36,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 12:25:36,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 14 [2024-10-11 12:25:36,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142813727] [2024-10-11 12:25:36,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 12:25:36,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 12:25:36,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:25:36,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 12:25:36,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-10-11 12:25:36,688 INFO L87 Difference]: Start difference. First operand 7626 states and 11203 transitions. Second operand has 14 states, 14 states have (on average 16.5) internal successors, (231), 14 states have internal predecessors, (231), 6 states have call successors, (174), 3 states have call predecessors, (174), 6 states have return successors, (174), 6 states have call predecessors, (174), 6 states have call successors, (174) [2024-10-11 12:25:39,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:25:39,580 INFO L93 Difference]: Finished difference Result 26679 states and 39164 transitions. [2024-10-11 12:25:39,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 12:25:39,581 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 16.5) internal successors, (231), 14 states have internal predecessors, (231), 6 states have call successors, (174), 3 states have call predecessors, (174), 6 states have return successors, (174), 6 states have call predecessors, (174), 6 states have call successors, (174) Word has length 375 [2024-10-11 12:25:39,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:25:39,666 INFO L225 Difference]: With dead ends: 26679 [2024-10-11 12:25:39,667 INFO L226 Difference]: Without dead ends: 19539 [2024-10-11 12:25:39,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 874 GetRequests, 857 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2024-10-11 12:25:39,698 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 1037 mSDsluCounter, 1234 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1129 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:25:39,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1129 Valid, 1458 Invalid, 1377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 1102 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 12:25:39,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19539 states. [2024-10-11 12:25:41,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19539 to 14861. [2024-10-11 12:25:41,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14861 states, 12400 states have (on average 1.3978225806451612) internal successors, (17333), 12452 states have internal predecessors, (17333), 2188 states have call successors, (2188), 272 states have call predecessors, (2188), 272 states have return successors, (2188), 2136 states have call predecessors, (2188), 2188 states have call successors, (2188) [2024-10-11 12:25:41,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14861 states to 14861 states and 21709 transitions. [2024-10-11 12:25:41,861 INFO L78 Accepts]: Start accepts. Automaton has 14861 states and 21709 transitions. Word has length 375 [2024-10-11 12:25:41,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:25:41,862 INFO L471 AbstractCegarLoop]: Abstraction has 14861 states and 21709 transitions. [2024-10-11 12:25:41,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 16.5) internal successors, (231), 14 states have internal predecessors, (231), 6 states have call successors, (174), 3 states have call predecessors, (174), 6 states have return successors, (174), 6 states have call predecessors, (174), 6 states have call successors, (174) [2024-10-11 12:25:41,864 INFO L276 IsEmpty]: Start isEmpty. Operand 14861 states and 21709 transitions. [2024-10-11 12:25:41,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-10-11 12:25:41,870 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:25:41,870 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:41,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 12:25:42,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 12:25:42,075 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:25:42,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:25:42,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1027604151, now seen corresponding path program 1 times [2024-10-11 12:25:42,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:25:42,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375513897] [2024-10-11 12:25:42,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:25:42,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:25:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:25:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:25:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 12:25:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:25:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 12:25:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:25:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 12:25:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:25:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 12:25:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:25:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 12:25:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:25:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 12:25:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:25:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 12:25:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:25:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 12:25:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:25:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:25:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 12:25:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 12:25:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 12:25:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 12:25:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 12:25:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 12:25:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:25:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:25:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:25:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:25:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 12:25:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:25:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 12:25:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:25:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 12:25:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 12:25:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:25:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 12:25:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:25:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 12:25:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:25:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 12:25:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:25:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 12:25:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:25:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 12:25:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:25:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 12:25:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 12:25:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 12:25:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 12:25:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 12:25:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-11 12:25:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 12:25:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-11 12:25:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 12:25:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-11 12:25:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 12:25:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-11 12:25:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:45,783 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 6 proven. 165 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2024-10-11 12:25:45,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:25:45,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375513897] [2024-10-11 12:25:45,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375513897] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 12:25:45,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598721941] [2024-10-11 12:25:45,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:25:45,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:25:45,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:25:45,786 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 12:25:45,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 12:25:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:25:46,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-11 12:25:46,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:25:48,670 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 2716 proven. 285 refuted. 0 times theorem prover too weak. 3611 trivial. 0 not checked. [2024-10-11 12:25:48,670 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 12:25:49,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598721941] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 12:25:49,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 12:25:49,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2024-10-11 12:25:49,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057532605] [2024-10-11 12:25:49,984 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 12:25:49,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-11 12:25:49,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:25:49,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-11 12:25:49,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2024-10-11 12:25:49,986 INFO L87 Difference]: Start difference. First operand 14861 states and 21709 transitions. Second operand has 18 states, 18 states have (on average 8.722222222222221) internal successors, (157), 18 states have internal predecessors, (157), 3 states have call successors, (116), 4 states have call predecessors, (116), 7 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116)