./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_fillercodesize_ps-cn-100_file-79.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_fillercodesize_ps-cn-100_file-79.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 68466dc8851e15d5c55e16cb6abd8cdccbbd4db381e8ec074cd8097ac9916cb7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 07:58:53,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 07:58:53,559 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 07:58:53,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 07:58:53,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 07:58:53,598 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 07:58:53,599 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 07:58:53,599 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 07:58:53,600 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 07:58:53,601 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 07:58:53,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 07:58:53,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 07:58:53,602 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 07:58:53,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 07:58:53,603 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 07:58:53,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 07:58:53,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 07:58:53,604 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 07:58:53,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 07:58:53,604 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 07:58:53,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 07:58:53,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 07:58:53,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 07:58:53,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 07:58:53,606 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 07:58:53,607 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 07:58:53,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 07:58:53,607 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 07:58:53,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 07:58:53,608 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 07:58:53,608 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 07:58:53,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 07:58:53,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:58:53,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 07:58:53,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 07:58:53,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 07:58:53,609 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 07:58:53,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 07:58:53,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 07:58:53,610 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 07:58:53,610 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 07:58:53,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 07:58:53,611 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68466dc8851e15d5c55e16cb6abd8cdccbbd4db381e8ec074cd8097ac9916cb7 [2024-10-11 07:58:53,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 07:58:53,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 07:58:53,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 07:58:53,910 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 07:58:53,911 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 07:58:53,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-79.i [2024-10-11 07:58:55,320 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 07:58:55,529 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 07:58:55,532 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-79.i [2024-10-11 07:58:55,551 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/904a8acca/3461623885ca41ad8dc6f90b3dad3ebe/FLAG907cb3f74 [2024-10-11 07:58:55,565 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/904a8acca/3461623885ca41ad8dc6f90b3dad3ebe [2024-10-11 07:58:55,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 07:58:55,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 07:58:55,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 07:58:55,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 07:58:55,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 07:58:55,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:58:55" (1/1) ... [2024-10-11 07:58:55,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fff1d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:58:55, skipping insertion in model container [2024-10-11 07:58:55,578 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:58:55" (1/1) ... [2024-10-11 07:58:55,617 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 07:58:55,786 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_fillercodesize_ps-cn-100_file-79.i[916,929] [2024-10-11 07:58:55,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:58:55,934 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 07:58:55,946 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_fillercodesize_ps-cn-100_file-79.i[916,929] [2024-10-11 07:58:55,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:58:56,029 INFO L204 MainTranslator]: Completed translation [2024-10-11 07:58:56,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:58:56 WrapperNode [2024-10-11 07:58:56,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 07:58:56,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 07:58:56,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 07:58:56,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 07:58:56,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:58:56" (1/1) ... [2024-10-11 07:58:56,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:58:56" (1/1) ... [2024-10-11 07:58:56,108 INFO L138 Inliner]: procedures = 26, calls = 86, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 421 [2024-10-11 07:58:56,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 07:58:56,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 07:58:56,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 07:58:56,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 07:58:56,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:58:56" (1/1) ... [2024-10-11 07:58:56,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:58:56" (1/1) ... [2024-10-11 07:58:56,129 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:58:56" (1/1) ... [2024-10-11 07:58:56,167 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 07:58:56,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:58:56" (1/1) ... [2024-10-11 07:58:56,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:58:56" (1/1) ... [2024-10-11 07:58:56,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:58:56" (1/1) ... [2024-10-11 07:58:56,204 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:58:56" (1/1) ... [2024-10-11 07:58:56,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:58:56" (1/1) ... [2024-10-11 07:58:56,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:58:56" (1/1) ... [2024-10-11 07:58:56,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 07:58:56,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 07:58:56,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 07:58:56,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 07:58:56,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:58:56" (1/1) ... [2024-10-11 07:58:56,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:58:56,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 07:58:56,272 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 07:58:56,309 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 07:58:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 07:58:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 07:58:56,423 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 07:58:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 07:58:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 07:58:56,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 07:58:56,527 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 07:58:56,528 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 07:58:57,156 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-11 07:58:57,157 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 07:58:57,201 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 07:58:57,201 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 07:58:57,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:58:57 BoogieIcfgContainer [2024-10-11 07:58:57,202 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 07:58:57,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 07:58:57,206 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 07:58:57,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 07:58:57,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:58:55" (1/3) ... [2024-10-11 07:58:57,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78637103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:58:57, skipping insertion in model container [2024-10-11 07:58:57,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:58:56" (2/3) ... [2024-10-11 07:58:57,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78637103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:58:57, skipping insertion in model container [2024-10-11 07:58:57,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:58:57" (3/3) ... [2024-10-11 07:58:57,213 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-79.i [2024-10-11 07:58:57,228 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 07:58:57,228 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 07:58:57,295 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 07:58:57,301 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;@387c5ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 07:58:57,301 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 07:58:57,307 INFO L276 IsEmpty]: Start isEmpty. Operand has 171 states, 95 states have (on average 1.4105263157894736) internal successors, (134), 96 states have internal predecessors, (134), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 07:58:57,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2024-10-11 07:58:57,343 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:58:57,345 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:58:57,345 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:58:57,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:58:57,351 INFO L85 PathProgramCache]: Analyzing trace with hash 13306941, now seen corresponding path program 1 times [2024-10-11 07:58:57,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:58:57,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163222709] [2024-10-11 07:58:57,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:58:57,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:58:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:57,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:58:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:57,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:58:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:57,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:58:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:57,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:58:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:57,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:58:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:57,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:58:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:57,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:58:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:57,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 07:58:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:57,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 07:58:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:57,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 07:58:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:57,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 07:58:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:57,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 07:58:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:57,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 07:58:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:57,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 07:58:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:57,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 07:58:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 07:58:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 07:58:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 07:58:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 07:58:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 07:58:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 07:58:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 07:58:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 07:58:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 07:58:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 07:58:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 07:58:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 07:58:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 07:58:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 07:58:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 07:58:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 07:58:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 07:58:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 07:58:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 07:58:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:58:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 07:58:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 07:58:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:58:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 07:58:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 07:58:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 07:58:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 07:58:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 07:58:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 07:58:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 07:58:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 07:58:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 07:58:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 07:58:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 07:58:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-11 07:58:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 07:58:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-10-11 07:58:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 07:58:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-10-11 07:58:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 07:58:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-11 07:58:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 07:58:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-11 07:58:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 07:58:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-11 07:58:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-11 07:58:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 07:58:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-11 07:58:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-10-11 07:58:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-10-11 07:58:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2024-10-11 07:58:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-11 07:58:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2024-10-11 07:58:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-10-11 07:58:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2024-10-11 07:58:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-10-11 07:58:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2024-10-11 07:58:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-10-11 07:58:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:58,375 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2024-10-11 07:58:58,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:58:58,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163222709] [2024-10-11 07:58:58,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163222709] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:58:58,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:58:58,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 07:58:58,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068369500] [2024-10-11 07:58:58,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:58:58,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 07:58:58,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:58:58,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 07:58:58,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 07:58:58,419 INFO L87 Difference]: Start difference. First operand has 171 states, 95 states have (on average 1.4105263157894736) internal successors, (134), 96 states have internal predecessors, (134), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) Second operand has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 2 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 2 states have call successors, (73) [2024-10-11 07:58:58,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:58:58,496 INFO L93 Difference]: Finished difference Result 339 states and 631 transitions. [2024-10-11 07:58:58,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 07:58:58,500 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 2 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 2 states have call successors, (73) Word has length 437 [2024-10-11 07:58:58,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:58:58,512 INFO L225 Difference]: With dead ends: 339 [2024-10-11 07:58:58,512 INFO L226 Difference]: Without dead ends: 169 [2024-10-11 07:58:58,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 221 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 07:58:58,527 INFO L432 NwaCegarLoop]: 271 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, 271 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 07:58:58,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 271 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 07:58:58,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-10-11 07:58:58,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2024-10-11 07:58:58,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 94 states have (on average 1.3617021276595744) internal successors, (128), 94 states have internal predecessors, (128), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-11 07:58:58,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 274 transitions. [2024-10-11 07:58:58,609 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 274 transitions. Word has length 437 [2024-10-11 07:58:58,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:58:58,609 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 274 transitions. [2024-10-11 07:58:58,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 2 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 2 states have call successors, (73) [2024-10-11 07:58:58,611 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 274 transitions. [2024-10-11 07:58:58,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2024-10-11 07:58:58,625 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:58:58,625 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:58:58,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 07:58:58,626 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:58:58,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:58:58,627 INFO L85 PathProgramCache]: Analyzing trace with hash -666624797, now seen corresponding path program 1 times [2024-10-11 07:58:58,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:58:58,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607800061] [2024-10-11 07:58:58,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:58:58,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:58:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:58:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:58:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:58:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:58:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:58:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:58:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:58:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 07:58:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 07:58:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 07:58:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 07:58:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 07:58:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 07:58:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 07:58:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 07:58:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 07:58:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 07:58:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 07:58:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 07:58:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 07:58:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 07:58:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 07:58:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 07:58:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 07:58:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 07:58:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 07:58:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 07:58:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 07:58:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 07:58:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 07:58:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 07:58:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 07:58:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 07:58:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 07:58:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:58:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 07:58:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 07:58:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:58:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 07:58:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 07:58:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 07:58:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 07:58:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 07:58:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 07:58:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 07:58:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 07:58:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 07:58:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 07:58:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 07:58:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-11 07:58:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 07:58:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-10-11 07:58:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 07:58:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-10-11 07:58:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 07:58:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-11 07:58:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 07:58:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-11 07:58:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 07:58:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-11 07:58:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-11 07:58:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 07:58:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-11 07:58:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-10-11 07:58:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-10-11 07:58:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2024-10-11 07:58:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-11 07:58:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2024-10-11 07:58:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-10-11 07:58:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2024-10-11 07:58:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-10-11 07:58:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2024-10-11 07:58:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-10-11 07:58:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:58:59,680 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2024-10-11 07:58:59,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:58:59,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607800061] [2024-10-11 07:58:59,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607800061] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:58:59,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:58:59,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 07:58:59,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233329733] [2024-10-11 07:58:59,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:58:59,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 07:58:59,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:58:59,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 07:58:59,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 07:58:59,690 INFO L87 Difference]: Start difference. First operand 169 states and 274 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-11 07:58:59,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:58:59,768 INFO L93 Difference]: Finished difference Result 505 states and 820 transitions. [2024-10-11 07:58:59,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 07:58:59,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) Word has length 437 [2024-10-11 07:58:59,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:58:59,774 INFO L225 Difference]: With dead ends: 505 [2024-10-11 07:58:59,775 INFO L226 Difference]: Without dead ends: 337 [2024-10-11 07:58:59,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 07:58:59,777 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 131 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 07:58:59,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 541 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 07:58:59,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-10-11 07:58:59,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2024-10-11 07:58:59,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 186 states have (on average 1.3548387096774193) internal successors, (252), 186 states have internal predecessors, (252), 146 states have call successors, (146), 2 states have call predecessors, (146), 2 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-10-11 07:58:59,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 544 transitions. [2024-10-11 07:58:59,860 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 544 transitions. Word has length 437 [2024-10-11 07:58:59,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:58:59,862 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 544 transitions. [2024-10-11 07:58:59,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-11 07:58:59,863 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 544 transitions. [2024-10-11 07:58:59,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2024-10-11 07:58:59,869 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:58:59,870 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:58:59,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 07:58:59,871 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:58:59,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:58:59,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1320983860, now seen corresponding path program 1 times [2024-10-11 07:58:59,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:58:59,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486561840] [2024-10-11 07:58:59,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:58:59,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:58:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:59:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:59:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:59:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:59:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:59:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:59:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:59:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 07:59:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 07:59:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 07:59:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 07:59:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 07:59:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 07:59:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 07:59:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 07:59:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 07:59:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 07:59:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 07:59:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 07:59:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 07:59:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 07:59:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 07:59:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 07:59:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 07:59:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 07:59:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 07:59:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 07:59:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 07:59:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 07:59:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 07:59:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 07:59:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 07:59:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 07:59:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 07:59:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:59:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 07:59:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 07:59:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:59:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 07:59:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 07:59:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 07:59:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 07:59:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 07:59:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 07:59:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 07:59:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 07:59:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 07:59:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 07:59:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 07:59:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-11 07:59:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 07:59:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-10-11 07:59:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 07:59:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-10-11 07:59:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 07:59:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-11 07:59:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 07:59:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-11 07:59:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 07:59:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-11 07:59:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-11 07:59:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 07:59:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-11 07:59:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-10-11 07:59:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-10-11 07:59:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2024-10-11 07:59:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-11 07:59:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2024-10-11 07:59:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-10-11 07:59:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2024-10-11 07:59:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-10-11 07:59:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2024-10-11 07:59:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-10-11 07:59:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:00,838 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2024-10-11 07:59:00,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:59:00,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486561840] [2024-10-11 07:59:00,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486561840] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:59:00,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:59:00,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 07:59:00,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869225281] [2024-10-11 07:59:00,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:59:00,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 07:59:00,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:59:00,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 07:59:00,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 07:59:00,842 INFO L87 Difference]: Start difference. First operand 335 states and 544 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-11 07:59:01,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:59:01,310 INFO L93 Difference]: Finished difference Result 684 states and 1107 transitions. [2024-10-11 07:59:01,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 07:59:01,311 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) Word has length 438 [2024-10-11 07:59:01,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:59:01,316 INFO L225 Difference]: With dead ends: 684 [2024-10-11 07:59:01,316 INFO L226 Difference]: Without dead ends: 350 [2024-10-11 07:59:01,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 07:59:01,318 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 197 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 07:59:01,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 932 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 07:59:01,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-10-11 07:59:01,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 335. [2024-10-11 07:59:01,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 186 states have (on average 1.3494623655913978) internal successors, (251), 186 states have internal predecessors, (251), 146 states have call successors, (146), 2 states have call predecessors, (146), 2 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-10-11 07:59:01,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 543 transitions. [2024-10-11 07:59:01,366 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 543 transitions. Word has length 438 [2024-10-11 07:59:01,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:59:01,368 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 543 transitions. [2024-10-11 07:59:01,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-11 07:59:01,368 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 543 transitions. [2024-10-11 07:59:01,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2024-10-11 07:59:01,375 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:59:01,376 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:01,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 07:59:01,376 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:59:01,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:59:01,377 INFO L85 PathProgramCache]: Analyzing trace with hash -215226147, now seen corresponding path program 1 times [2024-10-11 07:59:01,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:59:01,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085284018] [2024-10-11 07:59:01,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:59:01,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:59:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:59:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:59:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:59:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:59:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:59:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:59:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:59:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 07:59:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 07:59:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 07:59:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 07:59:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 07:59:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 07:59:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 07:59:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 07:59:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 07:59:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 07:59:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 07:59:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 07:59:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 07:59:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 07:59:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 07:59:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 07:59:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 07:59:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 07:59:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 07:59:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 07:59:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 07:59:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 07:59:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 07:59:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 07:59:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 07:59:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 07:59:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 07:59:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:59:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 07:59:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 07:59:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:59:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 07:59:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 07:59:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 07:59:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 07:59:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 07:59:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 07:59:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 07:59:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 07:59:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 07:59:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 07:59:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 07:59:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-11 07:59:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 07:59:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-10-11 07:59:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 07:59:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-10-11 07:59:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 07:59:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-11 07:59:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 07:59:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-11 07:59:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 07:59:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-11 07:59:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-11 07:59:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 07:59:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-11 07:59:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-10-11 07:59:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-10-11 07:59:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2024-10-11 07:59:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-11 07:59:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2024-10-11 07:59:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-10-11 07:59:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2024-10-11 07:59:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-10-11 07:59:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2024-10-11 07:59:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-10-11 07:59:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:01,962 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2024-10-11 07:59:01,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:59:01,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085284018] [2024-10-11 07:59:01,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085284018] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:59:01,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:59:01,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 07:59:01,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323633665] [2024-10-11 07:59:01,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:59:01,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 07:59:01,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:59:01,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 07:59:01,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 07:59:01,966 INFO L87 Difference]: Start difference. First operand 335 states and 543 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-11 07:59:02,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:59:02,003 INFO L93 Difference]: Finished difference Result 679 states and 1103 transitions. [2024-10-11 07:59:02,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 07:59:02,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) Word has length 439 [2024-10-11 07:59:02,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:59:02,008 INFO L225 Difference]: With dead ends: 679 [2024-10-11 07:59:02,008 INFO L226 Difference]: Without dead ends: 345 [2024-10-11 07:59:02,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 07:59:02,011 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 18 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 07:59:02,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 551 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 07:59:02,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-10-11 07:59:02,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 335. [2024-10-11 07:59:02,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 186 states have (on average 1.3387096774193548) internal successors, (249), 186 states have internal predecessors, (249), 146 states have call successors, (146), 2 states have call predecessors, (146), 2 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-10-11 07:59:02,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 541 transitions. [2024-10-11 07:59:02,060 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 541 transitions. Word has length 439 [2024-10-11 07:59:02,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:59:02,062 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 541 transitions. [2024-10-11 07:59:02,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-11 07:59:02,063 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 541 transitions. [2024-10-11 07:59:02,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2024-10-11 07:59:02,065 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:59:02,065 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:02,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 07:59:02,066 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:59:02,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:59:02,069 INFO L85 PathProgramCache]: Analyzing trace with hash 485838431, now seen corresponding path program 1 times [2024-10-11 07:59:02,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:59:02,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020335635] [2024-10-11 07:59:02,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:59:02,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:59:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:59:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:59:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:59:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:59:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:59:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:59:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:59:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 07:59:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 07:59:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 07:59:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 07:59:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 07:59:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 07:59:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 07:59:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 07:59:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 07:59:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 07:59:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 07:59:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 07:59:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 07:59:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 07:59:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 07:59:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 07:59:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 07:59:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 07:59:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 07:59:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 07:59:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 07:59:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 07:59:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 07:59:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 07:59:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 07:59:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 07:59:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 07:59:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:59:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 07:59:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 07:59:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:59:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 07:59:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 07:59:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 07:59:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 07:59:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 07:59:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 07:59:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 07:59:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 07:59:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 07:59:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 07:59:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 07:59:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-11 07:59:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 07:59:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-10-11 07:59:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 07:59:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-10-11 07:59:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 07:59:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-11 07:59:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 07:59:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-11 07:59:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 07:59:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-11 07:59:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-11 07:59:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 07:59:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-11 07:59:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-10-11 07:59:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-10-11 07:59:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2024-10-11 07:59:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-11 07:59:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2024-10-11 07:59:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-10-11 07:59:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2024-10-11 07:59:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-10-11 07:59:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2024-10-11 07:59:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-10-11 07:59:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:02,825 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2024-10-11 07:59:02,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:59:02,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020335635] [2024-10-11 07:59:02,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020335635] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:59:02,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:59:02,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 07:59:02,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846240136] [2024-10-11 07:59:02,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:59:02,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 07:59:02,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:59:02,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 07:59:02,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 07:59:02,828 INFO L87 Difference]: Start difference. First operand 335 states and 541 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-11 07:59:07,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 07:59:11,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 07:59:15,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 07:59:19,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 07:59:23,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 07:59:23,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:59:23,200 INFO L93 Difference]: Finished difference Result 1033 states and 1669 transitions. [2024-10-11 07:59:23,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 07:59:23,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) Word has length 439 [2024-10-11 07:59:23,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:59:23,207 INFO L225 Difference]: With dead ends: 1033 [2024-10-11 07:59:23,208 INFO L226 Difference]: Without dead ends: 699 [2024-10-11 07:59:23,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 07:59:23,212 INFO L432 NwaCegarLoop]: 443 mSDtfsCounter, 296 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 1207 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2024-10-11 07:59:23,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 1207 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 160 Invalid, 5 Unknown, 0 Unchecked, 20.3s Time] [2024-10-11 07:59:23,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2024-10-11 07:59:23,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 529. [2024-10-11 07:59:23,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 324 states have (on average 1.4074074074074074) internal successors, (456), 326 states have internal predecessors, (456), 200 states have call successors, (200), 4 states have call predecessors, (200), 4 states have return successors, (200), 198 states have call predecessors, (200), 200 states have call successors, (200) [2024-10-11 07:59:23,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 856 transitions. [2024-10-11 07:59:23,289 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 856 transitions. Word has length 439 [2024-10-11 07:59:23,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:59:23,290 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 856 transitions. [2024-10-11 07:59:23,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-11 07:59:23,291 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 856 transitions. [2024-10-11 07:59:23,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2024-10-11 07:59:23,294 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:59:23,295 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:23,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 07:59:23,295 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:59:23,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:59:23,295 INFO L85 PathProgramCache]: Analyzing trace with hash -23634659, now seen corresponding path program 1 times [2024-10-11 07:59:23,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:59:23,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389764047] [2024-10-11 07:59:23,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:59:23,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:59:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:23,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:59:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:23,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:59:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:23,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:59:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:23,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:59:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:23,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:59:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:23,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:59:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:23,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:59:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:23,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 07:59:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:23,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 07:59:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:23,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 07:59:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:23,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 07:59:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:23,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 07:59:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 07:59:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 07:59:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 07:59:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 07:59:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 07:59:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 07:59:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 07:59:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 07:59:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 07:59:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 07:59:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 07:59:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 07:59:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 07:59:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 07:59:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 07:59:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 07:59:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 07:59:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 07:59:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 07:59:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 07:59:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 07:59:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 07:59:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:59:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 07:59:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 07:59:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:59:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 07:59:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 07:59:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 07:59:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 07:59:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 07:59:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 07:59:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 07:59:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 07:59:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 07:59:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 07:59:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 07:59:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-11 07:59:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 07:59:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-10-11 07:59:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 07:59:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-10-11 07:59:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 07:59:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-11 07:59:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 07:59:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-11 07:59:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 07:59:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-11 07:59:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-11 07:59:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 07:59:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-11 07:59:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-10-11 07:59:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-10-11 07:59:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2024-10-11 07:59:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-11 07:59:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2024-10-11 07:59:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-10-11 07:59:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2024-10-11 07:59:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-10-11 07:59:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2024-10-11 07:59:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-10-11 07:59:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:24,348 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2024-10-11 07:59:24,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:59:24,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389764047] [2024-10-11 07:59:24,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389764047] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:59:24,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:59:24,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 07:59:24,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912660137] [2024-10-11 07:59:24,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:59:24,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 07:59:24,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:59:24,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 07:59:24,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 07:59:24,354 INFO L87 Difference]: Start difference. First operand 529 states and 856 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-11 07:59:28,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 07:59:32,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-11 07:59:32,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:59:32,515 INFO L93 Difference]: Finished difference Result 1383 states and 2229 transitions. [2024-10-11 07:59:32,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 07:59:32,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) Word has length 439 [2024-10-11 07:59:32,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:59:32,524 INFO L225 Difference]: With dead ends: 1383 [2024-10-11 07:59:32,525 INFO L226 Difference]: Without dead ends: 855 [2024-10-11 07:59:32,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 07:59:32,529 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 149 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-10-11 07:59:32,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 534 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2024-10-11 07:59:32,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-10-11 07:59:32,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 853. [2024-10-11 07:59:32,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 498 states have (on average 1.3634538152610443) internal successors, (679), 500 states have internal predecessors, (679), 346 states have call successors, (346), 8 states have call predecessors, (346), 8 states have return successors, (346), 344 states have call predecessors, (346), 346 states have call successors, (346) [2024-10-11 07:59:32,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1371 transitions. [2024-10-11 07:59:32,681 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1371 transitions. Word has length 439 [2024-10-11 07:59:32,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:59:32,682 INFO L471 AbstractCegarLoop]: Abstraction has 853 states and 1371 transitions. [2024-10-11 07:59:32,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-11 07:59:32,682 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1371 transitions. [2024-10-11 07:59:32,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2024-10-11 07:59:32,685 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:59:32,685 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:32,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 07:59:32,686 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:59:32,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:59:32,686 INFO L85 PathProgramCache]: Analyzing trace with hash 2056633955, now seen corresponding path program 1 times [2024-10-11 07:59:32,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:59:32,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172782470] [2024-10-11 07:59:32,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:59:32,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:59:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:59:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:59:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:59:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:59:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:59:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:59:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:59:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 07:59:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 07:59:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 07:59:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 07:59:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 07:59:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 07:59:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 07:59:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 07:59:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 07:59:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 07:59:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 07:59:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 07:59:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 07:59:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 07:59:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 07:59:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 07:59:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 07:59:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 07:59:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 07:59:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 07:59:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 07:59:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 07:59:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 07:59:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 07:59:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 07:59:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 07:59:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 07:59:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:59:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 07:59:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 07:59:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:59:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 07:59:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 07:59:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 07:59:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 07:59:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 07:59:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 07:59:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 07:59:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 07:59:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 07:59:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 07:59:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 07:59:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-11 07:59:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 07:59:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-10-11 07:59:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 07:59:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-10-11 07:59:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 07:59:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-11 07:59:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 07:59:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-11 07:59:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 07:59:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-11 07:59:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-11 07:59:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 07:59:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-11 07:59:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-10-11 07:59:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-10-11 07:59:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2024-10-11 07:59:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-11 07:59:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2024-10-11 07:59:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-10-11 07:59:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2024-10-11 07:59:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-10-11 07:59:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2024-10-11 07:59:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-10-11 07:59:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:33,221 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2024-10-11 07:59:33,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:59:33,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172782470] [2024-10-11 07:59:33,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172782470] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:59:33,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:59:33,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 07:59:33,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222348386] [2024-10-11 07:59:33,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:59:33,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 07:59:33,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:59:33,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 07:59:33,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 07:59:33,227 INFO L87 Difference]: Start difference. First operand 853 states and 1371 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-11 07:59:33,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:59:33,347 INFO L93 Difference]: Finished difference Result 1736 states and 2770 transitions. [2024-10-11 07:59:33,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 07:59:33,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) Word has length 440 [2024-10-11 07:59:33,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:59:33,356 INFO L225 Difference]: With dead ends: 1736 [2024-10-11 07:59:33,356 INFO L226 Difference]: Without dead ends: 884 [2024-10-11 07:59:33,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 07:59:33,362 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 30 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 07:59:33,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 523 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 07:59:33,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2024-10-11 07:59:33,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 883. [2024-10-11 07:59:33,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 883 states, 518 states have (on average 1.337837837837838) internal successors, (693), 521 states have internal predecessors, (693), 350 states have call successors, (350), 14 states have call predecessors, (350), 14 states have return successors, (350), 347 states have call predecessors, (350), 350 states have call successors, (350) [2024-10-11 07:59:33,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1393 transitions. [2024-10-11 07:59:33,507 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1393 transitions. Word has length 440 [2024-10-11 07:59:33,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:59:33,508 INFO L471 AbstractCegarLoop]: Abstraction has 883 states and 1393 transitions. [2024-10-11 07:59:33,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-11 07:59:33,509 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1393 transitions. [2024-10-11 07:59:33,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2024-10-11 07:59:33,511 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:59:33,511 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:33,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 07:59:33,512 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:59:33,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:59:33,512 INFO L85 PathProgramCache]: Analyzing trace with hash 323644603, now seen corresponding path program 1 times [2024-10-11 07:59:33,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:59:33,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173501050] [2024-10-11 07:59:33,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:59:33,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:59:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:59:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:59:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:59:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:59:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:59:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:59:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:59:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 07:59:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 07:59:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 07:59:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 07:59:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 07:59:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 07:59:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 07:59:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 07:59:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 07:59:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 07:59:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 07:59:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 07:59:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 07:59:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 07:59:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 07:59:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 07:59:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 07:59:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 07:59:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 07:59:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 07:59:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 07:59:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 07:59:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 07:59:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 07:59:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 07:59:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 07:59:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 07:59:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:59:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 07:59:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 07:59:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:59:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 07:59:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 07:59:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 07:59:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 07:59:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 07:59:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 07:59:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 07:59:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 07:59:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 07:59:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 07:59:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 07:59:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-11 07:59:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 07:59:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-10-11 07:59:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 07:59:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-10-11 07:59:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 07:59:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-11 07:59:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 07:59:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-11 07:59:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 07:59:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-11 07:59:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-11 07:59:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 07:59:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-11 07:59:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-10-11 07:59:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-10-11 07:59:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2024-10-11 07:59:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-11 07:59:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2024-10-11 07:59:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-10-11 07:59:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2024-10-11 07:59:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-10-11 07:59:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2024-10-11 07:59:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-10-11 07:59:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,453 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 42 proven. 174 refuted. 0 times theorem prover too weak. 10296 trivial. 0 not checked. [2024-10-11 07:59:34,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:59:34,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173501050] [2024-10-11 07:59:34,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173501050] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 07:59:34,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445238952] [2024-10-11 07:59:34,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:59:34,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 07:59:34,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 07:59:34,456 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 07:59:34,457 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 07:59:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:34,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-11 07:59:34,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 07:59:36,446 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 3348 proven. 174 refuted. 0 times theorem prover too weak. 6990 trivial. 0 not checked. [2024-10-11 07:59:36,447 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 07:59:37,505 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 42 proven. 174 refuted. 0 times theorem prover too weak. 10296 trivial. 0 not checked. [2024-10-11 07:59:37,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445238952] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 07:59:37,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 07:59:37,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 17 [2024-10-11 07:59:37,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317310612] [2024-10-11 07:59:37,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 07:59:37,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 07:59:37,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:59:37,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 07:59:37,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-10-11 07:59:37,509 INFO L87 Difference]: Start difference. First operand 883 states and 1393 transitions. Second operand has 17 states, 17 states have (on average 13.058823529411764) internal successors, (222), 17 states have internal predecessors, (222), 5 states have call successors, (204), 3 states have call predecessors, (204), 6 states have return successors, (205), 5 states have call predecessors, (205), 5 states have call successors, (205) [2024-10-11 07:59:38,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:59:38,402 INFO L93 Difference]: Finished difference Result 1386 states and 2147 transitions. [2024-10-11 07:59:38,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 07:59:38,403 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 13.058823529411764) internal successors, (222), 17 states have internal predecessors, (222), 5 states have call successors, (204), 3 states have call predecessors, (204), 6 states have return successors, (205), 5 states have call predecessors, (205), 5 states have call successors, (205) Word has length 441 [2024-10-11 07:59:38,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:59:38,413 INFO L225 Difference]: With dead ends: 1386 [2024-10-11 07:59:38,413 INFO L226 Difference]: Without dead ends: 947 [2024-10-11 07:59:38,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1042 GetRequests, 1016 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=190, Invalid=460, Unknown=0, NotChecked=0, Total=650 [2024-10-11 07:59:38,417 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 201 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 07:59:38,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 639 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 07:59:38,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2024-10-11 07:59:38,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 907. [2024-10-11 07:59:38,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 536 states have (on average 1.3097014925373134) internal successors, (702), 539 states have internal predecessors, (702), 350 states have call successors, (350), 20 states have call predecessors, (350), 20 states have return successors, (350), 347 states have call predecessors, (350), 350 states have call successors, (350) [2024-10-11 07:59:38,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1402 transitions. [2024-10-11 07:59:38,564 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1402 transitions. Word has length 441 [2024-10-11 07:59:38,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:59:38,565 INFO L471 AbstractCegarLoop]: Abstraction has 907 states and 1402 transitions. [2024-10-11 07:59:38,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 13.058823529411764) internal successors, (222), 17 states have internal predecessors, (222), 5 states have call successors, (204), 3 states have call predecessors, (204), 6 states have return successors, (205), 5 states have call predecessors, (205), 5 states have call successors, (205) [2024-10-11 07:59:38,566 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1402 transitions. [2024-10-11 07:59:38,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2024-10-11 07:59:38,569 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:59:38,569 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:38,590 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 07:59:38,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 07:59:38,774 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:59:38,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:59:38,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1114275248, now seen corresponding path program 1 times [2024-10-11 07:59:38,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:59:38,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529893259] [2024-10-11 07:59:38,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:59:38,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:59:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:59:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:59:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:59:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:59:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:59:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:59:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:59:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 07:59:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 07:59:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 07:59:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 07:59:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 07:59:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 07:59:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 07:59:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 07:59:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 07:59:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 07:59:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 07:59:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 07:59:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 07:59:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 07:59:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 07:59:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 07:59:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 07:59:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 07:59:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 07:59:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 07:59:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 07:59:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 07:59:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 07:59:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 07:59:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 07:59:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 07:59:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 07:59:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:59:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 07:59:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 07:59:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:59:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 07:59:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 07:59:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 07:59:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 07:59:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 07:59:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 07:59:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 07:59:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 07:59:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 07:59:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 07:59:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 07:59:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-11 07:59:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 07:59:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-10-11 07:59:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 07:59:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-10-11 07:59:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 07:59:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-11 07:59:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 07:59:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-11 07:59:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 07:59:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-11 07:59:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-11 07:59:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 07:59:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-11 07:59:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-10-11 07:59:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-10-11 07:59:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2024-10-11 07:59:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-11 07:59:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2024-10-11 07:59:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-10-11 07:59:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2024-10-11 07:59:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-10-11 07:59:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2024-10-11 07:59:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-10-11 07:59:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,389 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 132 proven. 84 refuted. 0 times theorem prover too weak. 10296 trivial. 0 not checked. [2024-10-11 07:59:39,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:59:39,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529893259] [2024-10-11 07:59:39,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529893259] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 07:59:39,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404074853] [2024-10-11 07:59:39,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:59:39,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 07:59:39,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 07:59:39,391 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 07:59:39,393 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 07:59:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:39,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 950 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 07:59:39,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 07:59:39,934 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 4678 proven. 69 refuted. 0 times theorem prover too weak. 5765 trivial. 0 not checked. [2024-10-11 07:59:39,934 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 07:59:40,466 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 147 proven. 69 refuted. 0 times theorem prover too weak. 10296 trivial. 0 not checked. [2024-10-11 07:59:40,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404074853] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 07:59:40,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 07:59:40,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-10-11 07:59:40,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602466982] [2024-10-11 07:59:40,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 07:59:40,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 07:59:40,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:59:40,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 07:59:40,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-11 07:59:40,470 INFO L87 Difference]: Start difference. First operand 907 states and 1402 transitions. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 4 states have call successors, (124), 2 states have call predecessors, (124), 4 states have return successors, (126), 4 states have call predecessors, (126), 4 states have call successors, (126) [2024-10-11 07:59:41,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:59:41,247 INFO L93 Difference]: Finished difference Result 1881 states and 2853 transitions. [2024-10-11 07:59:41,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 07:59:41,248 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 4 states have call successors, (124), 2 states have call predecessors, (124), 4 states have return successors, (126), 4 states have call predecessors, (126), 4 states have call successors, (126) Word has length 441 [2024-10-11 07:59:41,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:59:41,257 INFO L225 Difference]: With dead ends: 1881 [2024-10-11 07:59:41,257 INFO L226 Difference]: Without dead ends: 981 [2024-10-11 07:59:41,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1040 GetRequests, 1024 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2024-10-11 07:59:41,261 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 284 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 324 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 324 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 07:59:41,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 382 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [324 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 07:59:41,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2024-10-11 07:59:41,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 933. [2024-10-11 07:59:41,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 554 states have (on average 1.256317689530686) internal successors, (696), 557 states have internal predecessors, (696), 350 states have call successors, (350), 28 states have call predecessors, (350), 28 states have return successors, (350), 347 states have call predecessors, (350), 350 states have call successors, (350) [2024-10-11 07:59:41,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1396 transitions. [2024-10-11 07:59:41,416 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1396 transitions. Word has length 441 [2024-10-11 07:59:41,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:59:41,417 INFO L471 AbstractCegarLoop]: Abstraction has 933 states and 1396 transitions. [2024-10-11 07:59:41,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 4 states have call successors, (124), 2 states have call predecessors, (124), 4 states have return successors, (126), 4 states have call predecessors, (126), 4 states have call successors, (126) [2024-10-11 07:59:41,417 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1396 transitions. [2024-10-11 07:59:41,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2024-10-11 07:59:41,419 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:59:41,420 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:41,441 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 07:59:41,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 07:59:41,624 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:59:41,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:59:41,625 INFO L85 PathProgramCache]: Analyzing trace with hash -564819901, now seen corresponding path program 1 times [2024-10-11 07:59:41,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:59:41,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778994953] [2024-10-11 07:59:41,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:59:41,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:59:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:59:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:59:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:59:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:59:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:59:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:59:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:59:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 07:59:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 07:59:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 07:59:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 07:59:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 07:59:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 07:59:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 07:59:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 07:59:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 07:59:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 07:59:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 07:59:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 07:59:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 07:59:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 07:59:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 07:59:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 07:59:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 07:59:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 07:59:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 07:59:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 07:59:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 07:59:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 07:59:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 07:59:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 07:59:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 07:59:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 07:59:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 07:59:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:59:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 07:59:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 07:59:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:59:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 07:59:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 07:59:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 07:59:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 07:59:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 07:59:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 07:59:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 07:59:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 07:59:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 07:59:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 07:59:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 07:59:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-11 07:59:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 07:59:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-10-11 07:59:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 07:59:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-10-11 07:59:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 07:59:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-11 07:59:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 07:59:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-11 07:59:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 07:59:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-11 07:59:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-11 07:59:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 07:59:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-11 07:59:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-10-11 07:59:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-10-11 07:59:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2024-10-11 07:59:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-11 07:59:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2024-10-11 07:59:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-10-11 07:59:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2024-10-11 07:59:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-10-11 07:59:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2024-10-11 07:59:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-10-11 07:59:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:43,718 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 264 proven. 162 refuted. 0 times theorem prover too weak. 10086 trivial. 0 not checked. [2024-10-11 07:59:43,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:59:43,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778994953] [2024-10-11 07:59:43,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778994953] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 07:59:43,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453589772] [2024-10-11 07:59:43,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:59:43,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 07:59:43,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 07:59:43,722 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 07:59:43,724 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 07:59:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:59:44,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 07:59:44,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 07:59:46,686 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 7375 proven. 330 refuted. 0 times theorem prover too weak. 2807 trivial. 0 not checked. [2024-10-11 07:59:46,687 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 07:59:49,504 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 387 proven. 252 refuted. 0 times theorem prover too weak. 9873 trivial. 0 not checked. [2024-10-11 07:59:49,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453589772] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 07:59:49,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 07:59:49,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 19, 17] total 45 [2024-10-11 07:59:49,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895043638] [2024-10-11 07:59:49,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 07:59:49,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-10-11 07:59:49,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:59:49,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-10-11 07:59:49,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=1663, Unknown=0, NotChecked=0, Total=1980 [2024-10-11 07:59:49,509 INFO L87 Difference]: Start difference. First operand 933 states and 1396 transitions. Second operand has 45 states, 44 states have (on average 4.613636363636363) internal successors, (203), 42 states have internal predecessors, (203), 13 states have call successors, (165), 6 states have call predecessors, (165), 12 states have return successors, (165), 14 states have call predecessors, (165), 13 states have call successors, (165) [2024-10-11 08:00:03,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:00:03,192 INFO L93 Difference]: Finished difference Result 7629 states and 10754 transitions. [2024-10-11 08:00:03,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2024-10-11 08:00:03,194 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 4.613636363636363) internal successors, (203), 42 states have internal predecessors, (203), 13 states have call successors, (165), 6 states have call predecessors, (165), 12 states have return successors, (165), 14 states have call predecessors, (165), 13 states have call successors, (165) Word has length 444 [2024-10-11 08:00:03,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:00:03,245 INFO L225 Difference]: With dead ends: 7629 [2024-10-11 08:00:03,245 INFO L226 Difference]: Without dead ends: 6703 [2024-10-11 08:00:03,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1193 GetRequests, 1021 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10713 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=6585, Invalid=23517, Unknown=0, NotChecked=0, Total=30102 [2024-10-11 08:00:03,263 INFO L432 NwaCegarLoop]: 314 mSDtfsCounter, 2509 mSDsluCounter, 2648 mSDsCounter, 0 mSdLazyCounter, 5514 mSolverCounterSat, 2843 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2521 SdHoareTripleChecker+Valid, 2962 SdHoareTripleChecker+Invalid, 8357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2843 IncrementalHoareTripleChecker+Valid, 5514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-10-11 08:00:03,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2521 Valid, 2962 Invalid, 8357 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2843 Valid, 5514 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2024-10-11 08:00:03,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6703 states. [2024-10-11 08:00:03,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6703 to 1575. [2024-10-11 08:00:03,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1575 states, 971 states have (on average 1.2481977342945416) internal successors, (1212), 977 states have internal predecessors, (1212), 536 states have call successors, (536), 67 states have call predecessors, (536), 67 states have return successors, (536), 530 states have call predecessors, (536), 536 states have call successors, (536) [2024-10-11 08:00:03,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1575 states and 2284 transitions. [2024-10-11 08:00:03,837 INFO L78 Accepts]: Start accepts. Automaton has 1575 states and 2284 transitions. Word has length 444 [2024-10-11 08:00:03,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:00:03,838 INFO L471 AbstractCegarLoop]: Abstraction has 1575 states and 2284 transitions. [2024-10-11 08:00:03,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 4.613636363636363) internal successors, (203), 42 states have internal predecessors, (203), 13 states have call successors, (165), 6 states have call predecessors, (165), 12 states have return successors, (165), 14 states have call predecessors, (165), 13 states have call successors, (165) [2024-10-11 08:00:03,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2284 transitions. [2024-10-11 08:00:03,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2024-10-11 08:00:03,842 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:00:03,842 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:00:03,864 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 08:00:04,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 08:00:04,044 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:00:04,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:00:04,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1924709061, now seen corresponding path program 1 times [2024-10-11 08:00:04,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:00:04,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389222091] [2024-10-11 08:00:04,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:00:04,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:00:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:00:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:00:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:00:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:00:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:00:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:00:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:00:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 08:00:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 08:00:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 08:00:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 08:00:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 08:00:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 08:00:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 08:00:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 08:00:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 08:00:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 08:00:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 08:00:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 08:00:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 08:00:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 08:00:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 08:00:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 08:00:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 08:00:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 08:00:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 08:00:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 08:00:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 08:00:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 08:00:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 08:00:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 08:00:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 08:00:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 08:00:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:05,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 08:00:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 08:00:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 08:00:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 08:00:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 08:00:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 08:00:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 08:00:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 08:00:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 08:00:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 08:00:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 08:00:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 08:00:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 08:00:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 08:00:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 08:00:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-11 08:00:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-11 08:00:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-11 08:00:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-10-11 08:00:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 08:00:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-10-11 08:00:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 08:00:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-11 08:00:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 08:00:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-11 08:00:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 08:00:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-11 08:00:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-11 08:00:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 08:00:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-11 08:00:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-10-11 08:00:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-10-11 08:00:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2024-10-11 08:00:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-11 08:00:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2024-10-11 08:00:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-10-11 08:00:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2024-10-11 08:00:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-10-11 08:00:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2024-10-11 08:00:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-10-11 08:00:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,291 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 225 proven. 201 refuted. 0 times theorem prover too weak. 10086 trivial. 0 not checked. [2024-10-11 08:00:06,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:00:06,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389222091] [2024-10-11 08:00:06,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389222091] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 08:00:06,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105278914] [2024-10-11 08:00:06,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:00:06,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 08:00:06,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:00:06,294 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 08:00:06,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 08:00:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:00:06,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 08:00:06,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 08:00:08,677 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 6067 proven. 339 refuted. 0 times theorem prover too weak. 4106 trivial. 0 not checked. [2024-10-11 08:00:08,677 INFO L311 TraceCheckSpWp]: Computing backward predicates...