./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-52.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-52.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 18819524c4696c98829402bf6bc4e99abd24bef1d74fc8ec0e3ebc5e4b11aa39 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 07:55:47,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 07:55:47,074 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 07:55:47,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 07:55:47,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 07:55:47,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 07:55:47,110 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 07:55:47,110 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 07:55:47,111 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 07:55:47,115 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 07:55:47,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 07:55:47,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 07:55:47,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 07:55:47,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 07:55:47,116 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 07:55:47,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 07:55:47,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 07:55:47,117 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 07:55:47,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 07:55:47,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 07:55:47,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 07:55:47,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 07:55:47,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 07:55:47,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 07:55:47,121 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 07:55:47,121 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 07:55:47,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 07:55:47,122 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 07:55:47,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 07:55:47,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 07:55:47,123 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 07:55:47,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 07:55:47,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:55:47,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 07:55:47,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 07:55:47,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 07:55:47,125 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 07:55:47,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 07:55:47,125 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 07:55:47,126 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 07:55:47,126 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 07:55:47,126 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 07:55:47,126 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18819524c4696c98829402bf6bc4e99abd24bef1d74fc8ec0e3ebc5e4b11aa39 [2024-10-11 07:55:47,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 07:55:47,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 07:55:47,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 07:55:47,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 07:55:47,441 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 07:55:47,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-52.i [2024-10-11 07:55:48,886 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 07:55:49,122 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 07:55:49,123 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-52.i [2024-10-11 07:55:49,137 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/15b8abf1f/a650c74851bf4da6b77ab6e0e1b60dd4/FLAGa76414d87 [2024-10-11 07:55:49,153 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/15b8abf1f/a650c74851bf4da6b77ab6e0e1b60dd4 [2024-10-11 07:55:49,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 07:55:49,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 07:55:49,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 07:55:49,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 07:55:49,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 07:55:49,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:55:49" (1/1) ... [2024-10-11 07:55:49,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d202bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:55:49, skipping insertion in model container [2024-10-11 07:55:49,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:55:49" (1/1) ... [2024-10-11 07:55:49,209 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 07:55:49,389 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-52.i[916,929] [2024-10-11 07:55:49,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:55:49,529 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 07:55:49,544 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-52.i[916,929] [2024-10-11 07:55:49,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:55:49,610 INFO L204 MainTranslator]: Completed translation [2024-10-11 07:55:49,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:55:49 WrapperNode [2024-10-11 07:55:49,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 07:55:49,615 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 07:55:49,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 07:55:49,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 07:55:49,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:55:49" (1/1) ... [2024-10-11 07:55:49,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:55:49" (1/1) ... [2024-10-11 07:55:49,681 INFO L138 Inliner]: procedures = 26, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 314 [2024-10-11 07:55:49,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 07:55:49,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 07:55:49,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 07:55:49,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 07:55:49,698 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:55:49" (1/1) ... [2024-10-11 07:55:49,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:55:49" (1/1) ... [2024-10-11 07:55:49,706 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:55:49" (1/1) ... [2024-10-11 07:55:49,735 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 07:55:49,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:55:49" (1/1) ... [2024-10-11 07:55:49,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:55:49" (1/1) ... [2024-10-11 07:55:49,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:55:49" (1/1) ... [2024-10-11 07:55:49,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:55:49" (1/1) ... [2024-10-11 07:55:49,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:55:49" (1/1) ... [2024-10-11 07:55:49,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:55:49" (1/1) ... [2024-10-11 07:55:49,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 07:55:49,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 07:55:49,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 07:55:49,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 07:55:49,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:55:49" (1/1) ... [2024-10-11 07:55:49,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:55:49,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 07:55:49,824 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 07:55:49,827 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 07:55:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 07:55:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 07:55:49,882 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 07:55:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 07:55:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 07:55:49,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 07:55:50,009 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 07:55:50,011 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 07:55:50,589 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-11 07:55:50,589 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 07:55:50,651 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 07:55:50,651 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 07:55:50,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:55:50 BoogieIcfgContainer [2024-10-11 07:55:50,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 07:55:50,655 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 07:55:50,655 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 07:55:50,658 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 07:55:50,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:55:49" (1/3) ... [2024-10-11 07:55:50,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7a57a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:55:50, skipping insertion in model container [2024-10-11 07:55:50,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:55:49" (2/3) ... [2024-10-11 07:55:50,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7a57a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:55:50, skipping insertion in model container [2024-10-11 07:55:50,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:55:50" (3/3) ... [2024-10-11 07:55:50,662 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-52.i [2024-10-11 07:55:50,679 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 07:55:50,679 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 07:55:50,756 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 07:55:50,762 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;@1599b93a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 07:55:50,762 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 07:55:50,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 79 states have (on average 1.5063291139240507) internal successors, (119), 80 states have internal predecessors, (119), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-11 07:55:50,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-10-11 07:55:50,793 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:55:50,794 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:55:50,795 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:55:50,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:55:50,802 INFO L85 PathProgramCache]: Analyzing trace with hash 255618566, now seen corresponding path program 1 times [2024-10-11 07:55:50,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:55:50,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569240192] [2024-10-11 07:55:50,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:55:50,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:55:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:55:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:55:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:55:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:55:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:55:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:55:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:55:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:55:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:55:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:55:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:55:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:55:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:55:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:55:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:55:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:55:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:55:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:55:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:55:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 07:55:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 07:55:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 07:55:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 07:55:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 07:55:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 07:55:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 07:55:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 07:55:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 07:55:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 07:55:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 07:55:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 07:55:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 07:55:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 07:55:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 07:55:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 07:55:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:55:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 07:55:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 07:55:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:55:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 07:55:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 07:55:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 07:55:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 07:55:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 07:55:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 07:55:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 07:55:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:51,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-11 07:55:51,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:55:51,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569240192] [2024-10-11 07:55:51,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569240192] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:55:51,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:55:51,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 07:55:51,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496659930] [2024-10-11 07:55:51,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:55:51,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 07:55:51,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:55:51,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 07:55:51,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 07:55:51,638 INFO L87 Difference]: Start difference. First operand has 128 states, 79 states have (on average 1.5063291139240507) internal successors, (119), 80 states have internal predecessors, (119), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) [2024-10-11 07:55:51,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:55:51,707 INFO L93 Difference]: Finished difference Result 249 states and 459 transitions. [2024-10-11 07:55:51,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 07:55:51,710 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) Word has length 281 [2024-10-11 07:55:51,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:55:51,722 INFO L225 Difference]: With dead ends: 249 [2024-10-11 07:55:51,723 INFO L226 Difference]: Without dead ends: 122 [2024-10-11 07:55:51,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 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 07:55:51,734 INFO L432 NwaCegarLoop]: 194 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, 194 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 07:55:51,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 194 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 07:55:51,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-11 07:55:51,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-10-11 07:55:51,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 74 states have (on average 1.4189189189189189) internal successors, (105), 74 states have internal predecessors, (105), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-11 07:55:51,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 197 transitions. [2024-10-11 07:55:51,801 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 197 transitions. Word has length 281 [2024-10-11 07:55:51,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:55:51,805 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 197 transitions. [2024-10-11 07:55:51,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 2 states have call successors, (46) [2024-10-11 07:55:51,805 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 197 transitions. [2024-10-11 07:55:51,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-10-11 07:55:51,816 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:55:51,817 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:55:51,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 07:55:51,817 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:55:51,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:55:51,819 INFO L85 PathProgramCache]: Analyzing trace with hash -210731254, now seen corresponding path program 1 times [2024-10-11 07:55:51,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:55:51,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838415204] [2024-10-11 07:55:51,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:55:51,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:55:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:55:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:55:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:55:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:55:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:55:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:55:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:55:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:55:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:55:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:55:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:55:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:55:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:55:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:55:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:55:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:55:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:55:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:55:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:55:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 07:55:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 07:55:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 07:55:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 07:55:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 07:55:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 07:55:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 07:55:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 07:55:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 07:55:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 07:55:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 07:55:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 07:55:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 07:55:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 07:55:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 07:55:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 07:55:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:55:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 07:55:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 07:55:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:55:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 07:55:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 07:55:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 07:55:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 07:55:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 07:55:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 07:55:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 07:55:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:55:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-11 07:55:52,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:55:52,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838415204] [2024-10-11 07:55:52,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838415204] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:55:52,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:55:52,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 07:55:52,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071651502] [2024-10-11 07:55:52,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:55:52,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 07:55:52,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:55:52,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 07:55:52,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 07:55:52,396 INFO L87 Difference]: Start difference. First operand 122 states and 197 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 07:55:52,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:55:52,507 INFO L93 Difference]: Finished difference Result 315 states and 509 transitions. [2024-10-11 07:55:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 07:55:52,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 281 [2024-10-11 07:55:52,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:55:52,515 INFO L225 Difference]: With dead ends: 315 [2024-10-11 07:55:52,515 INFO L226 Difference]: Without dead ends: 194 [2024-10-11 07:55:52,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 95 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 07:55:52,518 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 113 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 07:55:52,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 420 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 07:55:52,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-10-11 07:55:52,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 191. [2024-10-11 07:55:52,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 124 states have (on average 1.467741935483871) internal successors, (182), 125 states have internal predecessors, (182), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-11 07:55:52,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 310 transitions. [2024-10-11 07:55:52,563 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 310 transitions. Word has length 281 [2024-10-11 07:55:52,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:55:52,565 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 310 transitions. [2024-10-11 07:55:52,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 07:55:52,566 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 310 transitions. [2024-10-11 07:55:52,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-10-11 07:55:52,575 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:55:52,575 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:55:52,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 07:55:52,576 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:55:52,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:55:52,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1438067826, now seen corresponding path program 1 times [2024-10-11 07:55:52,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:55:52,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710190668] [2024-10-11 07:55:52,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:55:52,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:55:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:56:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:56:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:56:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:56:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:56:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:56:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:56:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:56:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:56:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:56:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:56:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:56:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:56:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:56:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:56:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:56:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:56:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:56:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:56:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 07:56:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 07:56:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 07:56:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 07:56:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 07:56:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 07:56:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 07:56:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 07:56:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 07:56:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 07:56:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 07:56:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 07:56:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 07:56:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 07:56:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 07:56:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 07:56:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:56:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 07:56:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 07:56:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:56:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 07:56:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 07:56:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 07:56:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 07:56:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 07:56:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 07:56:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 07:56:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:00,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-11 07:56:00,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:56:00,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710190668] [2024-10-11 07:56:00,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710190668] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:56:00,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:56:00,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 07:56:00,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129561895] [2024-10-11 07:56:00,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:56:00,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 07:56:00,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:56:00,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 07:56:00,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-11 07:56:00,658 INFO L87 Difference]: Start difference. First operand 191 states and 310 transitions. Second operand has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 07:56:02,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:56:02,214 INFO L93 Difference]: Finished difference Result 628 states and 1011 transitions. [2024-10-11 07:56:02,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 07:56:02,216 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 282 [2024-10-11 07:56:02,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:56:02,223 INFO L225 Difference]: With dead ends: 628 [2024-10-11 07:56:02,224 INFO L226 Difference]: Without dead ends: 438 [2024-10-11 07:56:02,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-10-11 07:56:02,227 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 227 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 07:56:02,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 1041 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 07:56:02,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-10-11 07:56:02,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 377. [2024-10-11 07:56:02,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 244 states have (on average 1.459016393442623) internal successors, (356), 246 states have internal predecessors, (356), 128 states have call successors, (128), 4 states have call predecessors, (128), 4 states have return successors, (128), 126 states have call predecessors, (128), 128 states have call successors, (128) [2024-10-11 07:56:02,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 612 transitions. [2024-10-11 07:56:02,322 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 612 transitions. Word has length 282 [2024-10-11 07:56:02,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:56:02,323 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 612 transitions. [2024-10-11 07:56:02,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 07:56:02,324 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 612 transitions. [2024-10-11 07:56:02,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-10-11 07:56:02,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:56:02,329 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:56:02,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 07:56:02,329 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:56:02,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:56:02,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1624749198, now seen corresponding path program 1 times [2024-10-11 07:56:02,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:56:02,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8565873] [2024-10-11 07:56:02,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:56:02,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:56:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:56:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:56:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:56:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:56:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:56:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:56:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:56:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:56:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:56:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:56:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:56:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:56:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:56:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:56:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:56:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:56:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:56:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:56:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:56:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 07:56:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 07:56:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 07:56:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 07:56:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 07:56:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 07:56:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 07:56:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 07:56:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 07:56:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 07:56:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 07:56:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 07:56:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 07:56:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 07:56:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 07:56:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 07:56:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:56:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 07:56:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 07:56:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:56:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 07:56:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 07:56:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 07:56:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 07:56:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 07:56:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 07:56:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 07:56:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:09,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-11 07:56:09,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:56:09,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8565873] [2024-10-11 07:56:09,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8565873] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:56:09,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:56:09,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-11 07:56:09,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139640734] [2024-10-11 07:56:09,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:56:09,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 07:56:09,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:56:09,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 07:56:09,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 07:56:09,404 INFO L87 Difference]: Start difference. First operand 377 states and 612 transitions. Second operand has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 07:56:10,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:56:10,977 INFO L93 Difference]: Finished difference Result 1026 states and 1651 transitions. [2024-10-11 07:56:10,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 07:56:10,978 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 282 [2024-10-11 07:56:10,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:56:10,988 INFO L225 Difference]: With dead ends: 1026 [2024-10-11 07:56:10,989 INFO L226 Difference]: Without dead ends: 650 [2024-10-11 07:56:10,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2024-10-11 07:56:10,993 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 211 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 07:56:10,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 1001 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 07:56:10,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2024-10-11 07:56:11,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 403. [2024-10-11 07:56:11,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 270 states have (on average 1.451851851851852) internal successors, (392), 272 states have internal predecessors, (392), 128 states have call successors, (128), 4 states have call predecessors, (128), 4 states have return successors, (128), 126 states have call predecessors, (128), 128 states have call successors, (128) [2024-10-11 07:56:11,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 648 transitions. [2024-10-11 07:56:11,062 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 648 transitions. Word has length 282 [2024-10-11 07:56:11,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:56:11,065 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 648 transitions. [2024-10-11 07:56:11,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 07:56:11,065 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 648 transitions. [2024-10-11 07:56:11,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-10-11 07:56:11,070 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:56:11,070 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:56:11,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 07:56:11,070 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:56:11,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:56:11,071 INFO L85 PathProgramCache]: Analyzing trace with hash -2024873840, now seen corresponding path program 1 times [2024-10-11 07:56:11,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:56:11,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8183448] [2024-10-11 07:56:11,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:56:11,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:56:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:56:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:56:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:56:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:56:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:56:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:56:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:56:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:56:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:56:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:56:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:56:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:56:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:56:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:56:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:56:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:56:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:56:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:56:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:56:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 07:56:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 07:56:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 07:56:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 07:56:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 07:56:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 07:56:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 07:56:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 07:56:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 07:56:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 07:56:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 07:56:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 07:56:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 07:56:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 07:56:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 07:56:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 07:56:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:56:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 07:56:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 07:56:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:56:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 07:56:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 07:56:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 07:56:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 07:56:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 07:56:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 07:56:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 07:56:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:11,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-11 07:56:11,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:56:11,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8183448] [2024-10-11 07:56:11,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8183448] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:56:11,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:56:11,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 07:56:11,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400114639] [2024-10-11 07:56:11,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:56:11,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 07:56:11,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:56:11,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 07:56:11,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 07:56:11,350 INFO L87 Difference]: Start difference. First operand 403 states and 648 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 07:56:11,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:56:11,586 INFO L93 Difference]: Finished difference Result 593 states and 947 transitions. [2024-10-11 07:56:11,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 07:56:11,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 282 [2024-10-11 07:56:11,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:56:11,589 INFO L225 Difference]: With dead ends: 593 [2024-10-11 07:56:11,589 INFO L226 Difference]: Without dead ends: 191 [2024-10-11 07:56:11,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 07:56:11,594 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 154 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 07:56:11,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 268 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 07:56:11,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-10-11 07:56:11,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2024-10-11 07:56:11,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 124 states have (on average 1.3709677419354838) internal successors, (170), 125 states have internal predecessors, (170), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-11 07:56:11,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 298 transitions. [2024-10-11 07:56:11,620 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 298 transitions. Word has length 282 [2024-10-11 07:56:11,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:56:11,621 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 298 transitions. [2024-10-11 07:56:11,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-11 07:56:11,621 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 298 transitions. [2024-10-11 07:56:11,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-10-11 07:56:11,626 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:56:11,626 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:56:11,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 07:56:11,627 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:56:11,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:56:11,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1174235934, now seen corresponding path program 1 times [2024-10-11 07:56:11,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:56:11,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865998703] [2024-10-11 07:56:11,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:56:11,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:56:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:56:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:56:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:56:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:56:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:56:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:56:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:56:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:56:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:56:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:56:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:56:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:56:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:56:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:56:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:56:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:56:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:56:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:56:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:56:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 07:56:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 07:56:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 07:56:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 07:56:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 07:56:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 07:56:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 07:56:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 07:56:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 07:56:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 07:56:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 07:56:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 07:56:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:17,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 07:56:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:18,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 07:56:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:18,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 07:56:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:18,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 07:56:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:18,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:56:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:18,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 07:56:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:18,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 07:56:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:18,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:56:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:18,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 07:56:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:18,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 07:56:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:18,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 07:56:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:18,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 07:56:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:18,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 07:56:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:18,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 07:56:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:18,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 07:56:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:18,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-11 07:56:18,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:56:18,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865998703] [2024-10-11 07:56:18,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865998703] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:56:18,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:56:18,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-11 07:56:18,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793414041] [2024-10-11 07:56:18,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:56:18,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 07:56:18,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:56:18,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 07:56:18,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-10-11 07:56:18,083 INFO L87 Difference]: Start difference. First operand 191 states and 298 transitions. Second operand has 15 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 15 states have internal predecessors, (56), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-10-11 07:56:20,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:56:20,485 INFO L93 Difference]: Finished difference Result 608 states and 938 transitions. [2024-10-11 07:56:20,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 07:56:20,486 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 15 states have internal predecessors, (56), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 283 [2024-10-11 07:56:20,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:56:20,490 INFO L225 Difference]: With dead ends: 608 [2024-10-11 07:56:20,490 INFO L226 Difference]: Without dead ends: 418 [2024-10-11 07:56:20,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=223, Invalid=707, Unknown=0, NotChecked=0, Total=930 [2024-10-11 07:56:20,492 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 328 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 07:56:20,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 1216 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 924 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 07:56:20,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-10-11 07:56:20,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 393. [2024-10-11 07:56:20,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 260 states have (on average 1.3615384615384616) internal successors, (354), 262 states have internal predecessors, (354), 128 states have call successors, (128), 4 states have call predecessors, (128), 4 states have return successors, (128), 126 states have call predecessors, (128), 128 states have call successors, (128) [2024-10-11 07:56:20,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 610 transitions. [2024-10-11 07:56:20,540 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 610 transitions. Word has length 283 [2024-10-11 07:56:20,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:56:20,541 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 610 transitions. [2024-10-11 07:56:20,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 15 states have internal predecessors, (56), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-10-11 07:56:20,541 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 610 transitions. [2024-10-11 07:56:20,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2024-10-11 07:56:20,552 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:56:20,552 INFO L215 NwaCegarLoop]: trace histogram [92, 92, 92, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 07:56:20,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 07:56:20,553 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:56:20,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:56:20,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1933857203, now seen corresponding path program 1 times [2024-10-11 07:56:20,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:56:20,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564245023] [2024-10-11 07:56:20,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:56:20,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:56:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:25,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:56:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:25,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:56:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:25,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:56:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:25,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:56:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:25,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:56:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:25,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:56:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:25,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:56:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:25,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:56:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:25,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:56:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:25,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:56:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:25,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:56:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:25,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:56:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:56:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:56:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:56:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:56:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:56:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:56:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:56:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 07:56:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 07:56:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 07:56:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 07:56:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 07:56:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 07:56:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 07:56:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 07:56:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 07:56:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 07:56:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 07:56:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-11 07:56:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 07:56:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 07:56:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 07:56:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 07:56:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 07:56:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 07:56:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 07:56:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 07:56:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 07:56:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 07:56:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-11 07:56:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 07:56:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 07:56:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-11 07:56:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 07:56:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-11 07:56:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-10-11 07:56:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 07:56:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-10-11 07:56:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-11 07:56:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-11 07:56:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 07:56:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-10-11 07:56:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-11 07:56:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-10-11 07:56:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-11 07:56:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-10-11 07:56:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-10-11 07:56:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-10-11 07:56:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2024-10-11 07:56:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-10-11 07:56:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-11 07:56:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2024-10-11 07:56:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-10-11 07:56:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2024-10-11 07:56:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-10-11 07:56:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2024-10-11 07:56:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-10-11 07:56:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2024-10-11 07:56:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-10-11 07:56:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2024-10-11 07:56:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-10-11 07:56:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2024-10-11 07:56:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2024-10-11 07:56:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2024-10-11 07:56:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2024-10-11 07:56:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2024-10-11 07:56:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-10-11 07:56:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2024-10-11 07:56:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-10-11 07:56:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2024-10-11 07:56:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2024-10-11 07:56:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2024-10-11 07:56:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2024-10-11 07:56:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2024-10-11 07:56:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2024-10-11 07:56:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-10-11 07:56:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2024-10-11 07:56:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2024-10-11 07:56:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2024-10-11 07:56:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2024-10-11 07:56:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,306 INFO L134 CoverageAnalysis]: Checked inductivity of 16840 backedges. 95 proven. 1 refuted. 0 times theorem prover too weak. 16744 trivial. 0 not checked. [2024-10-11 07:56:26,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:56:26,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564245023] [2024-10-11 07:56:26,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564245023] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 07:56:26,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764276585] [2024-10-11 07:56:26,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:56:26,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 07:56:26,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 07:56:26,309 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 07:56:26,310 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 07:56:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:56:26,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 1156 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-11 07:56:26,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 07:56:28,637 INFO L134 CoverageAnalysis]: Checked inductivity of 16840 backedges. 3563 proven. 2084 refuted. 0 times theorem prover too weak. 11193 trivial. 0 not checked. [2024-10-11 07:56:28,637 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 07:56:29,678 INFO L134 CoverageAnalysis]: Checked inductivity of 16840 backedges. 400 proven. 228 refuted. 0 times theorem prover too weak. 16212 trivial. 0 not checked. [2024-10-11 07:56:29,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764276585] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 07:56:29,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 07:56:29,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 11] total 30 [2024-10-11 07:56:29,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278881691] [2024-10-11 07:56:29,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 07:56:29,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-11 07:56:29,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:56:29,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-11 07:56:29,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=746, Unknown=0, NotChecked=0, Total=870 [2024-10-11 07:56:29,684 INFO L87 Difference]: Start difference. First operand 393 states and 610 transitions. Second operand has 30 states, 30 states have (on average 6.9) internal successors, (207), 30 states have internal predecessors, (207), 5 states have call successors, (170), 3 states have call predecessors, (170), 7 states have return successors, (172), 5 states have call predecessors, (172), 5 states have call successors, (172) [2024-10-11 07:56:33,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:56:33,429 INFO L93 Difference]: Finished difference Result 988 states and 1494 transitions. [2024-10-11 07:56:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-11 07:56:33,431 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 6.9) internal successors, (207), 30 states have internal predecessors, (207), 5 states have call successors, (170), 3 states have call predecessors, (170), 7 states have return successors, (172), 5 states have call predecessors, (172), 5 states have call successors, (172) Word has length 565 [2024-10-11 07:56:33,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:56:33,434 INFO L225 Difference]: With dead ends: 988 [2024-10-11 07:56:33,434 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 07:56:33,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1358 GetRequests, 1304 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 730 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=556, Invalid=2306, Unknown=0, NotChecked=0, Total=2862 [2024-10-11 07:56:33,438 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 568 mSDsluCounter, 2720 mSDsCounter, 0 mSdLazyCounter, 3234 mSolverCounterSat, 496 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 2973 SdHoareTripleChecker+Invalid, 3730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 496 IncrementalHoareTripleChecker+Valid, 3234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-11 07:56:33,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 2973 Invalid, 3730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [496 Valid, 3234 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-11 07:56:33,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 07:56:33,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 07:56:33,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 07:56:33,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 07:56:33,440 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 565 [2024-10-11 07:56:33,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:56:33,441 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 07:56:33,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 6.9) internal successors, (207), 30 states have internal predecessors, (207), 5 states have call successors, (170), 3 states have call predecessors, (170), 7 states have return successors, (172), 5 states have call predecessors, (172), 5 states have call successors, (172) [2024-10-11 07:56:33,441 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 07:56:33,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 07:56:33,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 07:56:33,466 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 07:56:33,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 07:56:33,649 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-10-11 07:56:33,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 07:56:38,125 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 07:56:38,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 07:56:38 BoogieIcfgContainer [2024-10-11 07:56:38,148 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 07:56:38,148 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 07:56:38,148 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 07:56:38,148 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 07:56:38,149 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:55:50" (3/4) ... [2024-10-11 07:56:38,150 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 07:56:38,153 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-11 07:56:38,160 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-11 07:56:38,161 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-10-11 07:56:38,161 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 07:56:38,162 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 07:56:38,187 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\old(cond) != 0) || (var_1_13 < 1)) || (0 < var_1_14)) && (64 == var_1_7)) && (0 <= 0)) && (last_1_var_1_7 <= 64)) && (128 <= last_1_var_1_17)) && (128 <= var_1_17)) || (((((((1 <= var_1_14) && (var_1_12 == 1)) && (var_1_1 == (256 + var_1_21))) && ((256 + var_1_22) == 0)) && (128 <= last_1_var_1_17)) && ((999999950 + var_1_8) == (((long long) ((int) var_1_9 + last_1_var_1_20) + var_1_17) + var_1_10))) && (1 <= var_1_13))) [2024-10-11 07:56:38,240 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\old(cond) != 0) || (var_1_13 < 1)) || (0 < var_1_14)) && (64 == var_1_7)) && (0 <= 0)) && (last_1_var_1_7 <= 64)) && (128 <= last_1_var_1_17)) && (128 <= var_1_17)) || (((((((1 <= var_1_14) && (var_1_12 == 1)) && (var_1_1 == (256 + var_1_21))) && ((256 + var_1_22) == 0)) && (128 <= last_1_var_1_17)) && ((999999950 + var_1_8) == (((long long) ((int) var_1_9 + last_1_var_1_20) + var_1_17) + var_1_10))) && (1 <= var_1_13))) [2024-10-11 07:56:38,292 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 07:56:38,293 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 07:56:38,293 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 07:56:38,293 INFO L158 Benchmark]: Toolchain (without parser) took 49133.98ms. Allocated memory was 167.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 127.9MB in the beginning and 1.0GB in the end (delta: -882.0MB). Peak memory consumption was 257.4MB. Max. memory is 16.1GB. [2024-10-11 07:56:38,293 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 07:56:38,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.64ms. Allocated memory is still 167.8MB. Free memory was 127.5MB in the beginning and 109.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-11 07:56:38,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.38ms. Allocated memory is still 167.8MB. Free memory was 109.0MB in the beginning and 104.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 07:56:38,294 INFO L158 Benchmark]: Boogie Preprocessor took 99.29ms. Allocated memory is still 167.8MB. Free memory was 104.4MB in the beginning and 99.1MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 07:56:38,296 INFO L158 Benchmark]: RCFGBuilder took 869.40ms. Allocated memory is still 167.8MB. Free memory was 99.1MB in the beginning and 106.2MB in the end (delta: -7.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-11 07:56:38,297 INFO L158 Benchmark]: TraceAbstraction took 47492.80ms. Allocated memory was 167.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 105.1MB in the beginning and 1.0GB in the end (delta: -913.1MB). Peak memory consumption was 760.6MB. Max. memory is 16.1GB. [2024-10-11 07:56:38,297 INFO L158 Benchmark]: Witness Printer took 144.68ms. Allocated memory is still 1.3GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-11 07:56:38,298 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.64ms. Allocated memory is still 167.8MB. Free memory was 127.5MB in the beginning and 109.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.38ms. Allocated memory is still 167.8MB. Free memory was 109.0MB in the beginning and 104.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.29ms. Allocated memory is still 167.8MB. Free memory was 104.4MB in the beginning and 99.1MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 869.40ms. Allocated memory is still 167.8MB. Free memory was 99.1MB in the beginning and 106.2MB in the end (delta: -7.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 47492.80ms. Allocated memory was 167.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 105.1MB in the beginning and 1.0GB in the end (delta: -913.1MB). Peak memory consumption was 760.6MB. Max. memory is 16.1GB. * Witness Printer took 144.68ms. Allocated memory is still 1.3GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 128 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 42.9s, OverallIterations: 7, TraceHistogramMax: 92, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1607 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1601 mSDsluCounter, 7113 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5715 mSDsCounter, 1155 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5344 IncrementalHoareTripleChecker+Invalid, 6499 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1155 mSolverCounterUnsat, 1398 mSDtfsCounter, 5344 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2046 GetRequests, 1923 SyntacticMatches, 2 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 941 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=403occurred in iteration=4, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 336 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 31.0s InterpolantComputationTime, 2821 NumberOfCodeBlocks, 2821 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 3377 ConstructedInterpolants, 0 QuantifiedInterpolants, 20567 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1156 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 73047/75360 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: (((((((((\old(cond) != 0) || (var_1_13 < 1)) || (0 < var_1_14)) && (64 == var_1_7)) && (0 <= 0)) && (last_1_var_1_7 <= 64)) && (128 <= last_1_var_1_17)) && (128 <= var_1_17)) || (((((((1 <= var_1_14) && (var_1_12 == 1)) && (var_1_1 == (256 + var_1_21))) && ((256 + var_1_22) == 0)) && (128 <= last_1_var_1_17)) && ((999999950 + var_1_8) == (((long long) ((int) var_1_9 + last_1_var_1_20) + var_1_17) + var_1_10))) && (1 <= var_1_13))) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: ((((((64 == var_1_7) && (0 <= 0)) && (last_1_var_1_7 <= 64)) && (128 <= last_1_var_1_17)) && (128 <= var_1_17)) || (((999933905 <= var_1_17) && (var_1_12 == 1)) && (999933905 <= last_1_var_1_17))) Ensures: (((((((64 == var_1_7) && (0 <= 0)) && (last_1_var_1_7 <= 64)) || (((999933905 <= var_1_17) && (var_1_12 == 1)) && (999933905 <= last_1_var_1_17))) && (cond != 0)) && (128 <= last_1_var_1_17)) && (128 <= var_1_17)) RESULT: Ultimate proved your program to be correct! [2024-10-11 07:56:38,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE