./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-10_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-10_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 e36708b959d2766ccb3dd17186f87fc0beb353908e35aa36052ba70a089a0487 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 08:06:39,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 08:06:40,071 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 08:06:40,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 08:06:40,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 08:06:40,112 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 08:06:40,113 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 08:06:40,114 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 08:06:40,115 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 08:06:40,117 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 08:06:40,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 08:06:40,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 08:06:40,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 08:06:40,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 08:06:40,119 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 08:06:40,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 08:06:40,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 08:06:40,121 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 08:06:40,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 08:06:40,122 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 08:06:40,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 08:06:40,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 08:06:40,123 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 08:06:40,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 08:06:40,124 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 08:06:40,124 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 08:06:40,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 08:06:40,125 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 08:06:40,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 08:06:40,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 08:06:40,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 08:06:40,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 08:06:40,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 08:06:40,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 08:06:40,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 08:06:40,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 08:06:40,128 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 08:06:40,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 08:06:40,128 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 08:06:40,129 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 08:06:40,130 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 08:06:40,130 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 08:06:40,130 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e36708b959d2766ccb3dd17186f87fc0beb353908e35aa36052ba70a089a0487 [2024-10-11 08:06:40,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 08:06:40,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 08:06:40,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 08:06:40,431 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 08:06:40,432 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 08:06:40,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-52.i [2024-10-11 08:06:41,953 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 08:06:42,175 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 08:06:42,176 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-52.i [2024-10-11 08:06:42,185 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0418dfb39/69d40623b9214de8bae9c33e31397b70/FLAG180b1c090 [2024-10-11 08:06:42,531 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0418dfb39/69d40623b9214de8bae9c33e31397b70 [2024-10-11 08:06:42,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 08:06:42,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 08:06:42,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 08:06:42,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 08:06:42,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 08:06:42,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:06:42" (1/1) ... [2024-10-11 08:06:42,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412dc3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:06:42, skipping insertion in model container [2024-10-11 08:06:42,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:06:42" (1/1) ... [2024-10-11 08:06:42,576 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 08:06:42,751 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-10_file-52.i[915,928] [2024-10-11 08:06:42,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 08:06:42,863 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 08:06:42,876 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-10_file-52.i[915,928] [2024-10-11 08:06:42,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 08:06:42,950 INFO L204 MainTranslator]: Completed translation [2024-10-11 08:06:42,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:06:42 WrapperNode [2024-10-11 08:06:42,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 08:06:42,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 08:06:42,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 08:06:42,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 08:06:42,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:06:42" (1/1) ... [2024-10-11 08:06:42,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:06:42" (1/1) ... [2024-10-11 08:06:43,020 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2024-10-11 08:06:43,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 08:06:43,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 08:06:43,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 08:06:43,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 08:06:43,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:06:42" (1/1) ... [2024-10-11 08:06:43,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:06:42" (1/1) ... [2024-10-11 08:06:43,039 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:06:42" (1/1) ... [2024-10-11 08:06:43,073 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 08:06:43,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:06:42" (1/1) ... [2024-10-11 08:06:43,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:06:42" (1/1) ... [2024-10-11 08:06:43,084 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:06:42" (1/1) ... [2024-10-11 08:06:43,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:06:42" (1/1) ... [2024-10-11 08:06:43,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:06:42" (1/1) ... [2024-10-11 08:06:43,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:06:42" (1/1) ... [2024-10-11 08:06:43,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 08:06:43,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 08:06:43,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 08:06:43,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 08:06:43,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:06:42" (1/1) ... [2024-10-11 08:06:43,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 08:06:43,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:06:43,138 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 08:06:43,144 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 08:06:43,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 08:06:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 08:06:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 08:06:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 08:06:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 08:06:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 08:06:43,289 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 08:06:43,294 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 08:06:43,657 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-11 08:06:43,657 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 08:06:43,785 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 08:06:43,787 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 08:06:43,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:06:43 BoogieIcfgContainer [2024-10-11 08:06:43,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 08:06:43,791 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 08:06:43,791 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 08:06:43,794 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 08:06:43,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:06:42" (1/3) ... [2024-10-11 08:06:43,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@453e4058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:06:43, skipping insertion in model container [2024-10-11 08:06:43,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:06:42" (2/3) ... [2024-10-11 08:06:43,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@453e4058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:06:43, skipping insertion in model container [2024-10-11 08:06:43,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:06:43" (3/3) ... [2024-10-11 08:06:43,799 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-52.i [2024-10-11 08:06:43,816 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 08:06:43,816 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 08:06:43,876 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 08:06:43,882 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;@4daad0cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 08:06:43,883 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 08:06:43,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 39 states have (on average 1.435897435897436) internal successors, (56), 40 states have internal predecessors, (56), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-11 08:06:43,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-11 08:06:43,900 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:06:43,901 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:06:43,901 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:06:43,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:06:43,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1508907741, now seen corresponding path program 1 times [2024-10-11 08:06:43,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:06:43,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203143713] [2024-10-11 08:06:43,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:06:43,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:06:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:06:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:06:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:06:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:06:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:06:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:06:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:06:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:06:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:06:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:06:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:06:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:06:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:06:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:06:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:06:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 08:06:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:06:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 08:06:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:06:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 08:06:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:06:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:44,383 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-11 08:06:44,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:06:44,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203143713] [2024-10-11 08:06:44,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203143713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:06:44,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:06:44,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 08:06:44,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467353477] [2024-10-11 08:06:44,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:06:44,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 08:06:44,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:06:44,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 08:06:44,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 08:06:44,421 INFO L87 Difference]: Start difference. First operand has 63 states, 39 states have (on average 1.435897435897436) internal successors, (56), 40 states have internal predecessors, (56), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-11 08:06:44,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:06:44,470 INFO L93 Difference]: Finished difference Result 123 states and 215 transitions. [2024-10-11 08:06:44,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 08:06:44,474 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 134 [2024-10-11 08:06:44,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:06:44,485 INFO L225 Difference]: With dead ends: 123 [2024-10-11 08:06:44,485 INFO L226 Difference]: Without dead ends: 61 [2024-10-11 08:06:44,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 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 08:06:44,493 INFO L432 NwaCegarLoop]: 90 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, 90 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 08:06:44,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 08:06:44,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-10-11 08:06:44,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-10-11 08:06:44,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 38 states have internal predecessors, (51), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-11 08:06:44,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 93 transitions. [2024-10-11 08:06:44,537 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 93 transitions. Word has length 134 [2024-10-11 08:06:44,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:06:44,537 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 93 transitions. [2024-10-11 08:06:44,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-11 08:06:44,538 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2024-10-11 08:06:44,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-11 08:06:44,542 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:06:44,543 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:06:44,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 08:06:44,543 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:06:44,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:06:44,544 INFO L85 PathProgramCache]: Analyzing trace with hash -784579873, now seen corresponding path program 1 times [2024-10-11 08:06:44,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:06:44,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047663674] [2024-10-11 08:06:44,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:06:44,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:06:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:06:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:06:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:06:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:06:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:06:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:06:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:06:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:06:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:06:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:06:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:06:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:06:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:06:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:06:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:06:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 08:06:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:06:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 08:06:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:06:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 08:06:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:06:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:06:54,455 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-11 08:06:54,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:06:54,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047663674] [2024-10-11 08:06:54,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047663674] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:06:54,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:06:54,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-11 08:06:54,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617106067] [2024-10-11 08:06:54,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:06:54,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 08:06:54,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:06:54,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 08:06:54,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-10-11 08:06:54,464 INFO L87 Difference]: Start difference. First operand 61 states and 93 transitions. Second operand has 14 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 14 states have internal predecessors, (32), 4 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-10-11 08:06:55,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:06:55,420 INFO L93 Difference]: Finished difference Result 200 states and 304 transitions. [2024-10-11 08:06:55,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 08:06:55,420 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 14 states have internal predecessors, (32), 4 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 134 [2024-10-11 08:06:55,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:06:55,423 INFO L225 Difference]: With dead ends: 200 [2024-10-11 08:06:55,423 INFO L226 Difference]: Without dead ends: 140 [2024-10-11 08:06:55,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-10-11 08:06:55,429 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 249 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 08:06:55,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 362 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 08:06:55,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-10-11 08:06:55,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 105. [2024-10-11 08:06:55,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 60 states have internal predecessors, (76), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-11 08:06:55,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 160 transitions. [2024-10-11 08:06:55,466 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 160 transitions. Word has length 134 [2024-10-11 08:06:55,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:06:55,470 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 160 transitions. [2024-10-11 08:06:55,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 14 states have internal predecessors, (32), 4 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-10-11 08:06:55,470 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 160 transitions. [2024-10-11 08:06:55,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-11 08:06:55,473 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:06:55,473 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:06:55,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 08:06:55,474 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:06:55,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:06:55,475 INFO L85 PathProgramCache]: Analyzing trace with hash -2016730145, now seen corresponding path program 1 times [2024-10-11 08:06:55,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:06:55,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350112677] [2024-10-11 08:06:55,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:06:55,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:06:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:07:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:07:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:07:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:07:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:07:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:07:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:07:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:07:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:07:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:07:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:07:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:07:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:07:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:07:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:07:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 08:07:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:07:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 08:07:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:07:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 08:07:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:07:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:02,468 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-11 08:07:02,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:07:02,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350112677] [2024-10-11 08:07:02,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350112677] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:07:02,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:07:02,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-11 08:07:02,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293059950] [2024-10-11 08:07:02,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:07:02,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 08:07:02,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:07:02,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 08:07:02,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-10-11 08:07:02,472 INFO L87 Difference]: Start difference. First operand 105 states and 160 transitions. Second operand has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 16 states have internal predecessors, (32), 4 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-10-11 08:07:04,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:07:04,092 INFO L93 Difference]: Finished difference Result 203 states and 306 transitions. [2024-10-11 08:07:04,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 08:07:04,092 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 16 states have internal predecessors, (32), 4 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 134 [2024-10-11 08:07:04,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:07:04,094 INFO L225 Difference]: With dead ends: 203 [2024-10-11 08:07:04,094 INFO L226 Difference]: Without dead ends: 143 [2024-10-11 08:07:04,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=153, Invalid=497, Unknown=0, NotChecked=0, Total=650 [2024-10-11 08:07:04,096 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 197 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 08:07:04,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 413 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 08:07:04,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-10-11 08:07:04,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 115. [2024-10-11 08:07:04,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 70 states have (on average 1.2714285714285714) internal successors, (89), 70 states have internal predecessors, (89), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-11 08:07:04,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 173 transitions. [2024-10-11 08:07:04,126 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 173 transitions. Word has length 134 [2024-10-11 08:07:04,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:07:04,127 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 173 transitions. [2024-10-11 08:07:04,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 16 states have internal predecessors, (32), 4 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-10-11 08:07:04,127 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 173 transitions. [2024-10-11 08:07:04,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-11 08:07:04,129 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:07:04,129 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:07:04,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 08:07:04,130 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:07:04,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:07:04,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1371385887, now seen corresponding path program 1 times [2024-10-11 08:07:04,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:07:04,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446583559] [2024-10-11 08:07:04,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:07:04,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:07:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:07:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:07:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:07:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:07:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:07:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:07:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:07:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:07:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:07:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:07:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:07:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:07:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:07:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:07:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:07:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 08:07:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:07:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 08:07:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:07:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 08:07:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:07:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:04,279 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-11 08:07:04,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:07:04,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446583559] [2024-10-11 08:07:04,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446583559] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:07:04,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:07:04,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 08:07:04,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230110651] [2024-10-11 08:07:04,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:07:04,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 08:07:04,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:07:04,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 08:07:04,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 08:07:04,283 INFO L87 Difference]: Start difference. First operand 115 states and 173 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-11 08:07:04,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:07:04,410 INFO L93 Difference]: Finished difference Result 175 states and 265 transitions. [2024-10-11 08:07:04,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 08:07:04,411 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 134 [2024-10-11 08:07:04,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:07:04,413 INFO L225 Difference]: With dead ends: 175 [2024-10-11 08:07:04,413 INFO L226 Difference]: Without dead ends: 115 [2024-10-11 08:07:04,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 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 08:07:04,415 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 83 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 08:07:04,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 122 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 08:07:04,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-10-11 08:07:04,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-10-11 08:07:04,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 70 states have internal predecessors, (87), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-11 08:07:04,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 171 transitions. [2024-10-11 08:07:04,432 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 171 transitions. Word has length 134 [2024-10-11 08:07:04,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:07:04,432 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 171 transitions. [2024-10-11 08:07:04,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-11 08:07:04,433 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 171 transitions. [2024-10-11 08:07:04,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-11 08:07:04,438 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:07:04,439 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:07:04,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 08:07:04,442 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:07:04,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:07:04,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1905347428, now seen corresponding path program 1 times [2024-10-11 08:07:04,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:07:04,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448084199] [2024-10-11 08:07:04,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:07:04,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:07:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:07:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:07:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:07:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:07:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:07:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:07:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:07:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:07:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:07:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:07:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:07:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:07:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:07:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:07:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:07:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 08:07:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:07:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 08:07:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:07:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 08:07:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:07:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:08,943 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-11 08:07:08,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:07:08,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448084199] [2024-10-11 08:07:08,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448084199] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:07:08,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:07:08,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-11 08:07:08,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124582657] [2024-10-11 08:07:08,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:07:08,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 08:07:08,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:07:08,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 08:07:08,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-10-11 08:07:08,949 INFO L87 Difference]: Start difference. First operand 115 states and 171 transitions. Second operand has 14 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 14 states have internal predecessors, (33), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-10-11 08:07:10,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:07:10,981 INFO L93 Difference]: Finished difference Result 137 states and 197 transitions. [2024-10-11 08:07:10,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 08:07:10,981 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 14 states have internal predecessors, (33), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 135 [2024-10-11 08:07:10,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:07:10,983 INFO L225 Difference]: With dead ends: 137 [2024-10-11 08:07:10,983 INFO L226 Difference]: Without dead ends: 135 [2024-10-11 08:07:10,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=128, Invalid=574, Unknown=0, NotChecked=0, Total=702 [2024-10-11 08:07:10,985 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 160 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 08:07:10,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 465 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 08:07:10,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-10-11 08:07:11,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 116. [2024-10-11 08:07:11,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 71 states have (on average 1.2535211267605635) internal successors, (89), 71 states have internal predecessors, (89), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-11 08:07:11,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 173 transitions. [2024-10-11 08:07:11,017 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 173 transitions. Word has length 135 [2024-10-11 08:07:11,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:07:11,018 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 173 transitions. [2024-10-11 08:07:11,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 14 states have internal predecessors, (33), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-10-11 08:07:11,018 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 173 transitions. [2024-10-11 08:07:11,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-11 08:07:11,022 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:07:11,022 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 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] [2024-10-11 08:07:11,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 08:07:11,023 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:07:11,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:07:11,023 INFO L85 PathProgramCache]: Analyzing trace with hash 308622760, now seen corresponding path program 1 times [2024-10-11 08:07:11,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:07:11,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16342288] [2024-10-11 08:07:11,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:07:11,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:07:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:07:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:07:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:07:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:07:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:07:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:07:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:07:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:07:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:07:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:07:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:07:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:07:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:07:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:07:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:07:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 08:07:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:07:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 08:07:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:07:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 08:07:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:07:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:07:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 08:07:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 08:07:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 08:07:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 08:07:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 08:07:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 08:07:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 08:07:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 08:07:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 08:07:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 08:07:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 08:07:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 08:07:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 08:07:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 08:07:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 08:07:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 08:07:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 08:07:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 08:07:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:16,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 08:07:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:17,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 08:07:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:17,012 INFO L134 CoverageAnalysis]: Checked inductivity of 3491 backedges. 1 proven. 46 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-11 08:07:17,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:07:17,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16342288] [2024-10-11 08:07:17,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16342288] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 08:07:17,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323838839] [2024-10-11 08:07:17,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:07:17,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 08:07:17,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:07:17,016 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 08:07:17,017 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 08:07:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:17,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 08:07:17,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 08:07:17,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3491 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3482 trivial. 0 not checked. [2024-10-11 08:07:17,289 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 08:07:17,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323838839] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:07:17,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 08:07:17,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15] total 16 [2024-10-11 08:07:17,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004837480] [2024-10-11 08:07:17,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:07:17,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 08:07:17,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:07:17,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 08:07:17,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-10-11 08:07:17,291 INFO L87 Difference]: Start difference. First operand 116 states and 173 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-11 08:07:17,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:07:17,323 INFO L93 Difference]: Finished difference Result 175 states and 262 transitions. [2024-10-11 08:07:17,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 08:07:17,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 267 [2024-10-11 08:07:17,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:07:17,326 INFO L225 Difference]: With dead ends: 175 [2024-10-11 08:07:17,327 INFO L226 Difference]: Without dead ends: 115 [2024-10-11 08:07:17,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-10-11 08:07:17,329 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 08:07:17,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 167 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 08:07:17,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-10-11 08:07:17,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-10-11 08:07:17,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 70 states have internal predecessors, (86), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-11 08:07:17,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 170 transitions. [2024-10-11 08:07:17,357 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 170 transitions. Word has length 267 [2024-10-11 08:07:17,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:07:17,358 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 170 transitions. [2024-10-11 08:07:17,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-11 08:07:17,358 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 170 transitions. [2024-10-11 08:07:17,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-11 08:07:17,361 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:07:17,361 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 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] [2024-10-11 08:07:17,381 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 08:07:17,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 08:07:17,566 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:07:17,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:07:17,566 INFO L85 PathProgramCache]: Analyzing trace with hash -923527512, now seen corresponding path program 1 times [2024-10-11 08:07:17,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:07:17,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608400898] [2024-10-11 08:07:17,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:07:17,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:07:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:07:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:07:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:07:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:07:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:07:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:07:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:07:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:07:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:07:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:07:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:07:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:07:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:07:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:07:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:07:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 08:07:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:07:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 08:07:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:07:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 08:07:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:07:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:07:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 08:07:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 08:07:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 08:07:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 08:07:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 08:07:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 08:07:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 08:07:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 08:07:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 08:07:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 08:07:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 08:07:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 08:07:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 08:07:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 08:07:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-11 08:07:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 08:07:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 08:07:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 08:07:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 08:07:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 08:07:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,789 INFO L134 CoverageAnalysis]: Checked inductivity of 3492 backedges. 1 proven. 47 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-11 08:07:24,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:07:24,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608400898] [2024-10-11 08:07:24,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608400898] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 08:07:24,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048974674] [2024-10-11 08:07:24,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:07:24,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 08:07:24,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:07:24,794 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 08:07:24,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 08:07:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:07:24,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-10-11 08:07:24,966 INFO L278 TraceCheckSpWp]: Computing forward predicates...