./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_fillercode_fillercodestructure_filler-ps-cn_file-47.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_fillercode_fillercodestructure_filler-ps-cn_file-47.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 1dfc2b39ba3511e28e00e9016a15beb94aa3ebfecb80f834daab81829e1b00af --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 10:12:54,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 10:12:54,968 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 10:12:54,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 10:12:54,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 10:12:54,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 10:12:54,993 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 10:12:54,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 10:12:54,994 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 10:12:54,995 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 10:12:54,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 10:12:54,995 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 10:12:54,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 10:12:54,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 10:12:54,999 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 10:12:55,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 10:12:55,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 10:12:55,000 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 10:12:55,000 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 10:12:55,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 10:12:55,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 10:12:55,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 10:12:55,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 10:12:55,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 10:12:55,003 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 10:12:55,003 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 10:12:55,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 10:12:55,004 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 10:12:55,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 10:12:55,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 10:12:55,005 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 10:12:55,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 10:12:55,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:12:55,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 10:12:55,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 10:12:55,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 10:12:55,006 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 10:12:55,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 10:12:55,007 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 10:12:55,007 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 10:12:55,007 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 10:12:55,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 10:12:55,008 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dfc2b39ba3511e28e00e9016a15beb94aa3ebfecb80f834daab81829e1b00af [2024-10-11 10:12:55,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 10:12:55,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 10:12:55,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 10:12:55,230 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 10:12:55,231 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 10:12:55,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-47.i [2024-10-11 10:12:56,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 10:12:56,718 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 10:12:56,718 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-47.i [2024-10-11 10:12:56,733 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d8f3428ce/a5c8cd9a8f1043c3be682569528c6a7d/FLAGbee0ab622 [2024-10-11 10:12:57,112 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d8f3428ce/a5c8cd9a8f1043c3be682569528c6a7d [2024-10-11 10:12:57,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 10:12:57,117 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 10:12:57,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 10:12:57,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 10:12:57,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 10:12:57,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:12:57" (1/1) ... [2024-10-11 10:12:57,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b169df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:12:57, skipping insertion in model container [2024-10-11 10:12:57,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:12:57" (1/1) ... [2024-10-11 10:12:57,156 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 10:12:57,303 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_fillercode_fillercodestructure_filler-ps-cn_file-47.i[919,932] [2024-10-11 10:12:57,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:12:57,392 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 10:12:57,424 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_fillercode_fillercodestructure_filler-ps-cn_file-47.i[919,932] [2024-10-11 10:12:57,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:12:57,504 INFO L204 MainTranslator]: Completed translation [2024-10-11 10:12:57,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:12:57 WrapperNode [2024-10-11 10:12:57,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 10:12:57,505 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 10:12:57,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 10:12:57,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 10:12:57,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:12:57" (1/1) ... [2024-10-11 10:12:57,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:12:57" (1/1) ... [2024-10-11 10:12:57,572 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 336 [2024-10-11 10:12:57,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 10:12:57,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 10:12:57,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 10:12:57,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 10:12:57,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:12:57" (1/1) ... [2024-10-11 10:12:57,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:12:57" (1/1) ... [2024-10-11 10:12:57,587 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:12:57" (1/1) ... [2024-10-11 10:12:57,610 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 10:12:57,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:12:57" (1/1) ... [2024-10-11 10:12:57,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:12:57" (1/1) ... [2024-10-11 10:12:57,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:12:57" (1/1) ... [2024-10-11 10:12:57,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:12:57" (1/1) ... [2024-10-11 10:12:57,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:12:57" (1/1) ... [2024-10-11 10:12:57,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:12:57" (1/1) ... [2024-10-11 10:12:57,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 10:12:57,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 10:12:57,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 10:12:57,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 10:12:57,646 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:12:57" (1/1) ... [2024-10-11 10:12:57,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:12:57,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 10:12:57,677 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 10:12:57,681 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 10:12:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 10:12:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 10:12:57,718 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 10:12:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 10:12:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 10:12:57,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 10:12:57,808 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 10:12:57,810 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 10:12:58,300 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-11 10:12:58,300 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 10:12:58,328 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 10:12:58,328 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 10:12:58,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:12:58 BoogieIcfgContainer [2024-10-11 10:12:58,329 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 10:12:58,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 10:12:58,330 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 10:12:58,333 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 10:12:58,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 10:12:57" (1/3) ... [2024-10-11 10:12:58,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d4429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:12:58, skipping insertion in model container [2024-10-11 10:12:58,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:12:57" (2/3) ... [2024-10-11 10:12:58,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d4429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:12:58, skipping insertion in model container [2024-10-11 10:12:58,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:12:58" (3/3) ... [2024-10-11 10:12:58,335 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-47.i [2024-10-11 10:12:58,357 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 10:12:58,357 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 10:12:58,420 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 10:12:58,425 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;@4cbef84f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 10:12:58,426 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 10:12:58,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 92 states have (on average 1.5217391304347827) internal successors, (140), 93 states have internal predecessors, (140), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-11 10:12:58,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-10-11 10:12:58,449 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:12:58,450 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:58,451 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:12:58,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:12:58,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1262281749, now seen corresponding path program 1 times [2024-10-11 10:12:58,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:12:58,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711915569] [2024-10-11 10:12:58,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:12:58,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:12:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:12:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:12:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:12:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:12:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:12:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:12:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:12:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:12:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:12:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:12:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:12:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:12:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:12:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:12:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 10:12:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 10:12:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 10:12:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 10:12:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:12:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 10:12:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 10:12:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 10:12:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 10:12:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 10:12:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 10:12:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 10:12:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 10:12:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 10:12:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 10:12:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 10:12:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 10:12:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 10:12:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 10:12:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 10:12:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 10:12:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 10:12:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 10:12:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 10:12:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 10:12:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 10:12:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 10:12:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 10:12:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:58,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-11 10:12:58,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:12:58,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711915569] [2024-10-11 10:12:58,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711915569] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:12:58,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:12:58,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 10:12:58,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002232536] [2024-10-11 10:12:58,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:12:59,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 10:12:59,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:12:59,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 10:12:59,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 10:12:59,025 INFO L87 Difference]: Start difference. First operand has 137 states, 92 states have (on average 1.5217391304347827) internal successors, (140), 93 states have internal predecessors, (140), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-10-11 10:12:59,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:12:59,063 INFO L93 Difference]: Finished difference Result 271 states and 488 transitions. [2024-10-11 10:12:59,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 10:12:59,066 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) Word has length 262 [2024-10-11 10:12:59,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:12:59,073 INFO L225 Difference]: With dead ends: 271 [2024-10-11 10:12:59,073 INFO L226 Difference]: Without dead ends: 135 [2024-10-11 10:12:59,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 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 10:12:59,079 INFO L432 NwaCegarLoop]: 212 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, 212 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 10:12:59,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 212 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 10:12:59,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-10-11 10:12:59,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2024-10-11 10:12:59,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 91 states have (on average 1.4395604395604396) internal successors, (131), 91 states have internal predecessors, (131), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-11 10:12:59,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 215 transitions. [2024-10-11 10:12:59,135 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 215 transitions. Word has length 262 [2024-10-11 10:12:59,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:12:59,135 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 215 transitions. [2024-10-11 10:12:59,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-10-11 10:12:59,136 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 215 transitions. [2024-10-11 10:12:59,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-10-11 10:12:59,142 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:12:59,142 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:59,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 10:12:59,143 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:12:59,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:12:59,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1546830714, now seen corresponding path program 1 times [2024-10-11 10:12:59,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:12:59,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869844464] [2024-10-11 10:12:59,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:12:59,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:12:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:12:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:12:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:12:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:12:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:12:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:12:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:12:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:12:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:12:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:12:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:12:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:12:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:12:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:12:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 10:12:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 10:12:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 10:12:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 10:12:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:12:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 10:12:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 10:12:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 10:12:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 10:12:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 10:12:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 10:12:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 10:12:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 10:12:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 10:12:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 10:12:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 10:12:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 10:12:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 10:12:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 10:12:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 10:12:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 10:12:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:12:59,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 10:12:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:00,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 10:13:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:00,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 10:13:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:00,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 10:13:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:00,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 10:13:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:00,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 10:13:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:00,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 10:13:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:00,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-11 10:13:00,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:13:00,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869844464] [2024-10-11 10:13:00,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869844464] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:13:00,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:13:00,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 10:13:00,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603985256] [2024-10-11 10:13:00,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:13:00,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 10:13:00,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:13:00,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 10:13:00,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:13:00,044 INFO L87 Difference]: Start difference. First operand 135 states and 215 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-11 10:13:00,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:13:00,552 INFO L93 Difference]: Finished difference Result 568 states and 900 transitions. [2024-10-11 10:13:00,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 10:13:00,553 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 263 [2024-10-11 10:13:00,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:13:00,561 INFO L225 Difference]: With dead ends: 568 [2024-10-11 10:13:00,561 INFO L226 Difference]: Without dead ends: 434 [2024-10-11 10:13:00,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 10:13:00,562 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 500 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 344 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 344 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 10:13:00,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 821 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [344 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 10:13:00,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-10-11 10:13:00,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 279. [2024-10-11 10:13:00,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 192 states have (on average 1.4322916666666667) internal successors, (275), 192 states have internal predecessors, (275), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-11 10:13:00,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 443 transitions. [2024-10-11 10:13:00,616 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 443 transitions. Word has length 263 [2024-10-11 10:13:00,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:13:00,617 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 443 transitions. [2024-10-11 10:13:00,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-11 10:13:00,617 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 443 transitions. [2024-10-11 10:13:00,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-10-11 10:13:00,624 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:13:00,624 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:13:00,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 10:13:00,625 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:13:00,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:13:00,625 INFO L85 PathProgramCache]: Analyzing trace with hash 753991876, now seen corresponding path program 1 times [2024-10-11 10:13:00,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:13:00,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18814424] [2024-10-11 10:13:00,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:13:00,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:13:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:13:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:13:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:13:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:13:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:13:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:13:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:13:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:13:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:13:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:13:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:13:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:13:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:13:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:13:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 10:13:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 10:13:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 10:13:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 10:13:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:13:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 10:13:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 10:13:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 10:13:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 10:13:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 10:13:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 10:13:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 10:13:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 10:13:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 10:13:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 10:13:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 10:13:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 10:13:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 10:13:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 10:13:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 10:13:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 10:13:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 10:13:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 10:13:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 10:13:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 10:13:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 10:13:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 10:13:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 10:13:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:01,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-11 10:13:01,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:13:01,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18814424] [2024-10-11 10:13:01,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18814424] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:13:01,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:13:01,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 10:13:01,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731501162] [2024-10-11 10:13:01,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:13:01,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 10:13:01,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:13:01,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 10:13:01,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:13:01,438 INFO L87 Difference]: Start difference. First operand 279 states and 443 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-11 10:13:01,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:13:01,737 INFO L93 Difference]: Finished difference Result 548 states and 867 transitions. [2024-10-11 10:13:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 10:13:01,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 263 [2024-10-11 10:13:01,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:13:01,741 INFO L225 Difference]: With dead ends: 548 [2024-10-11 10:13:01,741 INFO L226 Difference]: Without dead ends: 270 [2024-10-11 10:13:01,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 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 10:13:01,743 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 163 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 10:13:01,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 605 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 10:13:01,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-10-11 10:13:01,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 240. [2024-10-11 10:13:01,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 153 states have (on average 1.3986928104575163) internal successors, (214), 153 states have internal predecessors, (214), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-11 10:13:01,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 382 transitions. [2024-10-11 10:13:01,796 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 382 transitions. Word has length 263 [2024-10-11 10:13:01,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:13:01,798 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 382 transitions. [2024-10-11 10:13:01,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-11 10:13:01,798 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 382 transitions. [2024-10-11 10:13:01,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-10-11 10:13:01,800 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:13:01,801 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:13:01,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 10:13:01,801 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:13:01,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:13:01,803 INFO L85 PathProgramCache]: Analyzing trace with hash -445426007, now seen corresponding path program 1 times [2024-10-11 10:13:01,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:13:01,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784423379] [2024-10-11 10:13:01,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:13:01,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:13:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:13:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:13:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:13:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:13:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:13:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:13:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:13:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:13:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:13:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:13:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:13:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:13:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:13:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:13:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 10:13:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 10:13:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 10:13:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 10:13:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:13:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 10:13:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 10:13:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 10:13:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 10:13:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 10:13:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 10:13:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 10:13:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 10:13:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 10:13:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 10:13:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 10:13:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 10:13:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 10:13:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 10:13:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 10:13:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 10:13:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 10:13:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 10:13:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 10:13:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 10:13:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 10:13:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 10:13:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 10:13:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:02,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-11 10:13:02,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:13:02,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784423379] [2024-10-11 10:13:02,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784423379] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:13:02,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:13:02,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 10:13:02,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927483771] [2024-10-11 10:13:02,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:13:02,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 10:13:02,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:13:02,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 10:13:02,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:13:02,358 INFO L87 Difference]: Start difference. First operand 240 states and 382 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-11 10:13:02,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:13:02,910 INFO L93 Difference]: Finished difference Result 657 states and 1044 transitions. [2024-10-11 10:13:02,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 10:13:02,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 265 [2024-10-11 10:13:02,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:13:02,917 INFO L225 Difference]: With dead ends: 657 [2024-10-11 10:13:02,917 INFO L226 Difference]: Without dead ends: 523 [2024-10-11 10:13:02,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 10:13:02,920 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 295 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 10:13:02,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 853 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 10:13:02,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-10-11 10:13:02,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 414. [2024-10-11 10:13:02,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 284 states have (on average 1.4049295774647887) internal successors, (399), 284 states have internal predecessors, (399), 126 states have call successors, (126), 3 states have call predecessors, (126), 3 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-10-11 10:13:02,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 651 transitions. [2024-10-11 10:13:02,972 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 651 transitions. Word has length 265 [2024-10-11 10:13:02,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:13:02,973 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 651 transitions. [2024-10-11 10:13:02,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-11 10:13:02,974 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 651 transitions. [2024-10-11 10:13:02,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-11 10:13:02,993 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:13:02,994 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:13:02,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 10:13:02,994 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:13:02,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:13:02,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1714741568, now seen corresponding path program 1 times [2024-10-11 10:13:02,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:13:02,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634817856] [2024-10-11 10:13:02,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:13:02,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:13:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:13:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:13:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:13:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:13:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:13:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:13:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:13:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:13:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:13:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:13:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:13:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:13:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:13:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:13:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 10:13:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 10:13:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 10:13:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 10:13:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:13:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 10:13:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 10:13:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 10:13:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 10:13:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 10:13:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 10:13:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 10:13:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 10:13:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 10:13:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 10:13:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 10:13:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 10:13:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 10:13:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 10:13:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 10:13:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 10:13:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 10:13:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 10:13:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 10:13:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 10:13:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 10:13:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 10:13:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 10:13:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:03,373 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-11 10:13:03,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:13:03,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634817856] [2024-10-11 10:13:03,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634817856] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:13:03,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:13:03,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 10:13:03,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400538457] [2024-10-11 10:13:03,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:13:03,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 10:13:03,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:13:03,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 10:13:03,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:13:03,388 INFO L87 Difference]: Start difference. First operand 414 states and 651 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-11 10:13:03,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:13:03,674 INFO L93 Difference]: Finished difference Result 1075 states and 1688 transitions. [2024-10-11 10:13:03,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 10:13:03,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 266 [2024-10-11 10:13:03,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:13:03,679 INFO L225 Difference]: With dead ends: 1075 [2024-10-11 10:13:03,679 INFO L226 Difference]: Without dead ends: 782 [2024-10-11 10:13:03,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 10:13:03,681 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 350 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 10:13:03,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 747 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 10:13:03,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2024-10-11 10:13:03,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 539. [2024-10-11 10:13:03,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 397 states have (on average 1.4130982367758187) internal successors, (561), 398 states have internal predecessors, (561), 136 states have call successors, (136), 5 states have call predecessors, (136), 5 states have return successors, (136), 135 states have call predecessors, (136), 136 states have call successors, (136) [2024-10-11 10:13:03,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 833 transitions. [2024-10-11 10:13:03,757 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 833 transitions. Word has length 266 [2024-10-11 10:13:03,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:13:03,760 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 833 transitions. [2024-10-11 10:13:03,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-11 10:13:03,760 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 833 transitions. [2024-10-11 10:13:03,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-11 10:13:03,763 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:13:03,763 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:13:03,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 10:13:03,764 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:13:03,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:13:03,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1112972599, now seen corresponding path program 1 times [2024-10-11 10:13:03,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:13:03,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777995270] [2024-10-11 10:13:03,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:13:03,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:13:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:13:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:13:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:13:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:13:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:13:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:13:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:13:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:13:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:13:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:13:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:13:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:13:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:13:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:13:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 10:13:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 10:13:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 10:13:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 10:13:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:13:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 10:13:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 10:13:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 10:13:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 10:13:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 10:13:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 10:13:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 10:13:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 10:13:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 10:13:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 10:13:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 10:13:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 10:13:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 10:13:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 10:13:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 10:13:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 10:13:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 10:13:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 10:13:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 10:13:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 10:13:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 10:13:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 10:13:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 10:13:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:04,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 114 proven. 237 refuted. 0 times theorem prover too weak. 3093 trivial. 0 not checked. [2024-10-11 10:13:04,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:13:04,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777995270] [2024-10-11 10:13:04,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777995270] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 10:13:04,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997565135] [2024-10-11 10:13:04,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:13:04,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 10:13:04,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 10:13:04,914 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 10:13:04,915 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 10:13:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:05,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-10-11 10:13:05,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 10:13:07,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 1761 proven. 441 refuted. 0 times theorem prover too weak. 1242 trivial. 0 not checked. [2024-10-11 10:13:07,475 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 10:13:09,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 114 proven. 246 refuted. 0 times theorem prover too weak. 3084 trivial. 0 not checked. [2024-10-11 10:13:09,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997565135] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 10:13:09,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 10:13:09,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 16, 12] total 33 [2024-10-11 10:13:09,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244021395] [2024-10-11 10:13:09,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 10:13:09,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-10-11 10:13:09,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:13:09,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-10-11 10:13:09,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=805, Unknown=0, NotChecked=0, Total=1056 [2024-10-11 10:13:09,663 INFO L87 Difference]: Start difference. First operand 539 states and 833 transitions. Second operand has 33 states, 31 states have (on average 6.096774193548387) internal successors, (189), 29 states have internal predecessors, (189), 12 states have call successors, (126), 6 states have call predecessors, (126), 12 states have return successors, (126), 12 states have call predecessors, (126), 12 states have call successors, (126) [2024-10-11 10:13:15,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 10:13:19,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 10:13:56,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:13:56,286 INFO L93 Difference]: Finished difference Result 2062 states and 3039 transitions. [2024-10-11 10:13:56,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-10-11 10:13:56,287 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 6.096774193548387) internal successors, (189), 29 states have internal predecessors, (189), 12 states have call successors, (126), 6 states have call predecessors, (126), 12 states have return successors, (126), 12 states have call predecessors, (126), 12 states have call successors, (126) Word has length 266 [2024-10-11 10:13:56,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:13:56,295 INFO L225 Difference]: With dead ends: 2062 [2024-10-11 10:13:56,295 INFO L226 Difference]: Without dead ends: 1646 [2024-10-11 10:13:56,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 811 GetRequests, 629 SyntacticMatches, 0 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13242 ImplicationChecksByTransitivity, 31.4s TimeCoverageRelationStatistics Valid=6356, Invalid=27316, Unknown=0, NotChecked=0, Total=33672 [2024-10-11 10:13:56,304 INFO L432 NwaCegarLoop]: 662 mSDtfsCounter, 2244 mSDsluCounter, 3426 mSDsCounter, 0 mSdLazyCounter, 4804 mSolverCounterSat, 1150 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2248 SdHoareTripleChecker+Valid, 4088 SdHoareTripleChecker+Invalid, 5956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1150 IncrementalHoareTripleChecker+Valid, 4804 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2024-10-11 10:13:56,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2248 Valid, 4088 Invalid, 5956 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1150 Valid, 4804 Invalid, 2 Unknown, 0 Unchecked, 15.4s Time] [2024-10-11 10:13:56,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2024-10-11 10:13:56,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 602. [2024-10-11 10:13:56,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 444 states have (on average 1.3603603603603605) internal successors, (604), 446 states have internal predecessors, (604), 138 states have call successors, (138), 19 states have call predecessors, (138), 19 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2024-10-11 10:13:56,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 880 transitions. [2024-10-11 10:13:56,392 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 880 transitions. Word has length 266 [2024-10-11 10:13:56,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:13:56,392 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 880 transitions. [2024-10-11 10:13:56,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 6.096774193548387) internal successors, (189), 29 states have internal predecessors, (189), 12 states have call successors, (126), 6 states have call predecessors, (126), 12 states have return successors, (126), 12 states have call predecessors, (126), 12 states have call successors, (126) [2024-10-11 10:13:56,393 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 880 transitions. [2024-10-11 10:13:56,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-11 10:13:56,396 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:13:56,397 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:13:56,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 10:13:56,601 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 10:13:56,602 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:13:56,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:13:56,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1298823000, now seen corresponding path program 1 times [2024-10-11 10:13:56,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:13:56,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973201988] [2024-10-11 10:13:56,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:13:56,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:13:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:13:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:13:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:13:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:13:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:13:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:13:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:13:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:13:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:13:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:13:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:13:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:13:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:13:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:13:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 10:13:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 10:13:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 10:13:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 10:13:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:13:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 10:13:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 10:13:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 10:13:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 10:13:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 10:13:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 10:13:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 10:13:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 10:13:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 10:13:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 10:13:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 10:13:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 10:13:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 10:13:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 10:13:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 10:13:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 10:13:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 10:13:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 10:13:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 10:13:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 10:13:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 10:13:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 10:13:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 10:13:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:56,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-11 10:13:56,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:13:56,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973201988] [2024-10-11 10:13:56,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973201988] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:13:56,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:13:56,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 10:13:56,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733792854] [2024-10-11 10:13:56,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:13:56,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 10:13:56,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:13:56,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 10:13:56,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:13:56,857 INFO L87 Difference]: Start difference. First operand 602 states and 880 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-11 10:13:57,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:13:57,122 INFO L93 Difference]: Finished difference Result 1265 states and 1848 transitions. [2024-10-11 10:13:57,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 10:13:57,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 267 [2024-10-11 10:13:57,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:13:57,128 INFO L225 Difference]: With dead ends: 1265 [2024-10-11 10:13:57,128 INFO L226 Difference]: Without dead ends: 990 [2024-10-11 10:13:57,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 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 10:13:57,130 INFO L432 NwaCegarLoop]: 362 mSDtfsCounter, 195 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:13:57,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 891 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:13:57,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2024-10-11 10:13:57,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 669. [2024-10-11 10:13:57,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 511 states have (on average 1.3444227005870841) internal successors, (687), 513 states have internal predecessors, (687), 138 states have call successors, (138), 19 states have call predecessors, (138), 19 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2024-10-11 10:13:57,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 963 transitions. [2024-10-11 10:13:57,249 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 963 transitions. Word has length 267 [2024-10-11 10:13:57,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:13:57,249 INFO L471 AbstractCegarLoop]: Abstraction has 669 states and 963 transitions. [2024-10-11 10:13:57,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-11 10:13:57,250 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 963 transitions. [2024-10-11 10:13:57,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-11 10:13:57,252 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:13:57,252 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:13:57,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 10:13:57,252 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:13:57,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:13:57,253 INFO L85 PathProgramCache]: Analyzing trace with hash -748415994, now seen corresponding path program 1 times [2024-10-11 10:13:57,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:13:57,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418424241] [2024-10-11 10:13:57,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:13:57,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:13:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:13:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:13:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:13:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:13:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:13:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:13:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:13:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:13:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:13:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:13:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:13:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:13:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:13:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:13:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 10:13:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 10:13:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 10:13:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 10:13:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:13:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 10:13:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 10:13:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 10:13:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 10:13:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 10:13:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 10:13:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 10:13:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 10:13:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 10:13:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 10:13:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 10:13:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 10:13:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 10:13:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 10:13:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 10:13:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 10:13:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 10:13:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 10:13:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 10:13:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 10:13:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 10:13:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 10:13:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 10:13:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 6 proven. 117 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked. [2024-10-11 10:13:57,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:13:57,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418424241] [2024-10-11 10:13:57,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418424241] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 10:13:57,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544654379] [2024-10-11 10:13:57,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:13:57,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 10:13:57,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 10:13:57,816 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 10:13:57,817 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 10:13:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:13:57,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 10:13:57,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 10:14:00,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 398 proven. 228 refuted. 0 times theorem prover too weak. 2818 trivial. 0 not checked. [2024-10-11 10:14:00,095 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 10:14:00,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 6 proven. 117 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked. [2024-10-11 10:14:00,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544654379] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 10:14:00,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 10:14:00,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 6] total 20 [2024-10-11 10:14:00,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550731442] [2024-10-11 10:14:00,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 10:14:00,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-11 10:14:00,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:14:00,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-11 10:14:00,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2024-10-11 10:14:00,633 INFO L87 Difference]: Start difference. First operand 669 states and 963 transitions. Second operand has 20 states, 20 states have (on average 7.9) internal successors, (158), 19 states have internal predecessors, (158), 7 states have call successors, (126), 4 states have call predecessors, (126), 7 states have return successors, (126), 7 states have call predecessors, (126), 7 states have call successors, (126) [2024-10-11 10:14:02,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:14:02,269 INFO L93 Difference]: Finished difference Result 1347 states and 1935 transitions. [2024-10-11 10:14:02,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-11 10:14:02,269 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.9) internal successors, (158), 19 states have internal predecessors, (158), 7 states have call successors, (126), 4 states have call predecessors, (126), 7 states have return successors, (126), 7 states have call predecessors, (126), 7 states have call successors, (126) Word has length 267 [2024-10-11 10:14:02,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:14:02,275 INFO L225 Difference]: With dead ends: 1347 [2024-10-11 10:14:02,276 INFO L226 Difference]: Without dead ends: 811 [2024-10-11 10:14:02,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=345, Invalid=1061, Unknown=0, NotChecked=0, Total=1406 [2024-10-11 10:14:02,278 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 569 mSDsluCounter, 1298 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 1516 SdHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:14:02,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 1516 Invalid, 1227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 10:14:02,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2024-10-11 10:14:02,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 609. [2024-10-11 10:14:02,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 451 states have (on average 1.334811529933481) internal successors, (602), 453 states have internal predecessors, (602), 138 states have call successors, (138), 19 states have call predecessors, (138), 19 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2024-10-11 10:14:02,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 878 transitions. [2024-10-11 10:14:02,354 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 878 transitions. Word has length 267 [2024-10-11 10:14:02,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:14:02,355 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 878 transitions. [2024-10-11 10:14:02,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.9) internal successors, (158), 19 states have internal predecessors, (158), 7 states have call successors, (126), 4 states have call predecessors, (126), 7 states have return successors, (126), 7 states have call predecessors, (126), 7 states have call successors, (126) [2024-10-11 10:14:02,356 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 878 transitions. [2024-10-11 10:14:02,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-10-11 10:14:02,357 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:14:02,357 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:14:02,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 10:14:02,558 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 10:14:02,558 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:14:02,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:14:02,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1606780650, now seen corresponding path program 1 times [2024-10-11 10:14:02,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:14:02,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125708231] [2024-10-11 10:14:02,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:14:02,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:14:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:14:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:14:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:14:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:14:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:14:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:14:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:14:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:14:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:14:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:14:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:14:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:14:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:14:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 10:14:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 10:14:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 10:14:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 10:14:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 10:14:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 10:14:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 10:14:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 10:14:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 10:14:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 10:14:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 10:14:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 10:14:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 10:14:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 10:14:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 10:14:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 10:14:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 10:14:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 10:14:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 10:14:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 10:14:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 10:14:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 10:14:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 10:14:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 10:14:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 10:14:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 10:14:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 10:14:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 10:14:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 10:14:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 114 proven. 237 refuted. 0 times theorem prover too weak. 3093 trivial. 0 not checked. [2024-10-11 10:14:03,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:14:03,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125708231] [2024-10-11 10:14:03,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125708231] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 10:14:03,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377417631] [2024-10-11 10:14:03,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:14:03,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 10:14:03,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 10:14:03,286 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 10:14:03,288 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 10:14:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:14:03,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 10:14:03,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 10:14:05,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 2069 proven. 318 refuted. 0 times theorem prover too weak. 1057 trivial. 0 not checked. [2024-10-11 10:14:05,736 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 10:14:17,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377417631] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 10:14:17,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 10:14:17,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 16] total 20 [2024-10-11 10:14:17,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639732117] [2024-10-11 10:14:17,044 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 10:14:17,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-11 10:14:17,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:14:17,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-11 10:14:17,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=662, Unknown=2, NotChecked=0, Total=870 [2024-10-11 10:14:17,047 INFO L87 Difference]: Start difference. First operand 609 states and 878 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 18 states have internal predecessors, (126), 7 states have call successors, (81), 5 states have call predecessors, (81), 8 states have return successors, (81), 7 states have call predecessors, (81), 7 states have call successors, (81)