./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive/Fibonacci02.c --full-output --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --witnessprinter.generate.graphml.witnesses false --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/automizer/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/automizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/automizer/data -tc /storage/repos/certificate-witnesses-artifact/automizer/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive/Fibonacci02.c -s /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/certificate-witnesses-artifact/automizer --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 b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --witnessprinter.generate.graphml.witnesses false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:25:02,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:25:03,049 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-21 12:25:03,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:25:03,057 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:25:03,084 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:25:03,086 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:25:03,086 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:25:03,087 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:25:03,087 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:25:03,088 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:25:03,088 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:25:03,089 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:25:03,089 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:25:03,091 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:25:03,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:25:03,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:25:03,092 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:25:03,092 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:25:03,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:25:03,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:25:03,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:25:03,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:25:03,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:25:03,097 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:25:03,098 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:25:03,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:25:03,098 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:25:03,098 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:25:03,099 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:25:03,099 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:25:03,099 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:25:03,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:25:03,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:25:03,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:25:03,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:25:03,100 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:25:03,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:25:03,101 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:25:03,101 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:25:03,101 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:25:03,102 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:25:03,102 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/certificate-witnesses-artifact/automizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Generate GraphML witnesses -> false [2024-09-21 12:25:03,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:25:03,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:25:03,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:25:03,410 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:25:03,411 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:25:03,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/recursive/Fibonacci02.c [2024-09-21 12:25:04,937 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:25:05,100 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:25:05,101 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/Fibonacci02.c [2024-09-21 12:25:05,110 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/02cca4d5b/ec0bc3dd62b042d395fcbb0a8c4e0348/FLAG4dfa39adf [2024-09-21 12:25:05,125 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/02cca4d5b/ec0bc3dd62b042d395fcbb0a8c4e0348 [2024-09-21 12:25:05,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:25:05,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-21 12:25:05,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:25:05,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:25:05,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:25:05,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:25:05" (1/1) ... [2024-09-21 12:25:05,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5418ed63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:05, skipping insertion in model container [2024-09-21 12:25:05,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:25:05" (1/1) ... [2024-09-21 12:25:05,155 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:25:05,314 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/Fibonacci02.c[715,728] [2024-09-21 12:25:05,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:25:05,328 INFO L200 MainTranslator]: Completed pre-run [2024-09-21 12:25:05,339 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/Fibonacci02.c[715,728] [2024-09-21 12:25:05,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:25:05,354 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:25:05,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:05 WrapperNode [2024-09-21 12:25:05,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:25:05,356 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-21 12:25:05,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-21 12:25:05,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-21 12:25:05,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:05" (1/1) ... [2024-09-21 12:25:05,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:05" (1/1) ... [2024-09-21 12:25:05,380 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-21 12:25:05,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-21 12:25:05,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:25:05,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:25:05,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:25:05,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:05" (1/1) ... [2024-09-21 12:25:05,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:05" (1/1) ... [2024-09-21 12:25:05,393 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:05" (1/1) ... [2024-09-21 12:25:05,410 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]. [2024-09-21 12:25:05,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:05" (1/1) ... [2024-09-21 12:25:05,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:05" (1/1) ... [2024-09-21 12:25:05,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:05" (1/1) ... [2024-09-21 12:25:05,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:05" (1/1) ... [2024-09-21 12:25:05,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:05" (1/1) ... [2024-09-21 12:25:05,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:05" (1/1) ... [2024-09-21 12:25:05,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:25:05,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:25:05,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:25:05,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:25:05,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:05" (1/1) ... [2024-09-21 12:25:05,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:25:05,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-21 12:25:05,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 12:25:05,500 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 12:25:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2024-09-21 12:25:05,587 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2024-09-21 12:25:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:25:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:25:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:25:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:25:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:25:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:25:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:25:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-21 12:25:05,645 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:25:05,647 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:25:05,746 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-09-21 12:25:05,747 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:25:05,766 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:25:05,766 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-21 12:25:05,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:25:05 BoogieIcfgContainer [2024-09-21 12:25:05,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:25:05,769 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-21 12:25:05,769 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-21 12:25:05,772 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-21 12:25:05,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:25:05" (1/3) ... [2024-09-21 12:25:05,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0f182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:25:05, skipping insertion in model container [2024-09-21 12:25:05,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:25:05" (2/3) ... [2024-09-21 12:25:05,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0f182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:25:05, skipping insertion in model container [2024-09-21 12:25:05,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:25:05" (3/3) ... [2024-09-21 12:25:05,778 INFO L112 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2024-09-21 12:25:05,797 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-21 12:25:05,798 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-21 12:25:05,872 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-21 12:25:05,879 INFO L336 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=All, 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;@7f9dba08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-21 12:25:05,880 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-21 12:25:05,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-09-21 12:25:05,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-09-21 12:25:05,895 INFO L208 NwaCegarLoop]: Found error trace [2024-09-21 12:25:05,896 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-21 12:25:05,896 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-21 12:25:05,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:05,901 INFO L85 PathProgramCache]: Analyzing trace with hash -351828897, now seen corresponding path program 1 times [2024-09-21 12:25:05,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-21 12:25:05,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411562584] [2024-09-21 12:25:05,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-21 12:25:05,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-21 12:25:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:06,167 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-21 12:25:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:06,184 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-21 12:25:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:06,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-21 12:25:06,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-21 12:25:06,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411562584] [2024-09-21 12:25:06,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411562584] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-21 12:25:06,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-21 12:25:06,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-21 12:25:06,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129608939] [2024-09-21 12:25:06,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-21 12:25:06,288 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-21 12:25:06,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-21 12:25:06,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-21 12:25:06,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-21 12:25:06,315 INFO L87 Difference]: Start difference. First operand has 23 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-21 12:25:06,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-21 12:25:06,403 INFO L93 Difference]: Finished difference Result 35 states and 43 transitions. [2024-09-21 12:25:06,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-21 12:25:06,406 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2024-09-21 12:25:06,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-21 12:25:06,415 INFO L225 Difference]: With dead ends: 35 [2024-09-21 12:25:06,415 INFO L226 Difference]: Without dead ends: 23 [2024-09-21 12:25:06,417 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-21 12:25:06,422 INFO L434 NwaCegarLoop]: 20 mSDtfsCounter, 10 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-21 12:25:06,423 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 60 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-21 12:25:06,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-09-21 12:25:06,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-09-21 12:25:06,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-09-21 12:25:06,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-09-21 12:25:06,467 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2024-09-21 12:25:06,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-21 12:25:06,468 INFO L474 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-09-21 12:25:06,468 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-21 12:25:06,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:06,469 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-09-21 12:25:06,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-09-21 12:25:06,470 INFO L208 NwaCegarLoop]: Found error trace [2024-09-21 12:25:06,470 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-21 12:25:06,470 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-21 12:25:06,470 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-21 12:25:06,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:06,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1624511627, now seen corresponding path program 1 times [2024-09-21 12:25:06,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-21 12:25:06,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66891714] [2024-09-21 12:25:06,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-21 12:25:06,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-21 12:25:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:06,519 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-21 12:25:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:06,529 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-21 12:25:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:06,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-21 12:25:06,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-21 12:25:06,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66891714] [2024-09-21 12:25:06,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66891714] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-21 12:25:06,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-21 12:25:06,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-21 12:25:06,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979985935] [2024-09-21 12:25:06,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-21 12:25:06,589 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-21 12:25:06,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-21 12:25:06,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-21 12:25:06,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-21 12:25:06,591 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-21 12:25:06,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-21 12:25:06,655 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-09-21 12:25:06,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-21 12:25:06,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-09-21 12:25:06,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-21 12:25:06,657 INFO L225 Difference]: With dead ends: 27 [2024-09-21 12:25:06,658 INFO L226 Difference]: Without dead ends: 23 [2024-09-21 12:25:06,658 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-21 12:25:06,660 INFO L434 NwaCegarLoop]: 15 mSDtfsCounter, 7 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-21 12:25:06,661 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 42 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-21 12:25:06,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-09-21 12:25:06,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-09-21 12:25:06,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-09-21 12:25:06,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-09-21 12:25:06,673 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2024-09-21 12:25:06,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-21 12:25:06,674 INFO L474 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-09-21 12:25:06,674 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-21 12:25:06,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:06,676 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-09-21 12:25:06,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-09-21 12:25:06,677 INFO L208 NwaCegarLoop]: Found error trace [2024-09-21 12:25:06,677 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-21 12:25:06,678 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-21 12:25:06,678 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-21 12:25:06,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:06,678 INFO L85 PathProgramCache]: Analyzing trace with hash -401354712, now seen corresponding path program 1 times [2024-09-21 12:25:06,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-21 12:25:06,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440688546] [2024-09-21 12:25:06,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-21 12:25:06,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-21 12:25:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:06,770 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-21 12:25:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:06,779 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-21 12:25:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:06,864 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:06,894 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-09-21 12:25:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:06,899 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-21 12:25:06,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-21 12:25:06,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440688546] [2024-09-21 12:25:06,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440688546] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-21 12:25:06,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405714637] [2024-09-21 12:25:06,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-21 12:25:06,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-21 12:25:06,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-21 12:25:06,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-21 12:25:06,905 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-21 12:25:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:06,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-21 12:25:06,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-21 12:25:07,028 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-21 12:25:07,029 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-21 12:25:07,308 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-21 12:25:07,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405714637] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-21 12:25:07,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-21 12:25:07,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 12 [2024-09-21 12:25:07,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338108180] [2024-09-21 12:25:07,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-21 12:25:07,313 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-21 12:25:07,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-21 12:25:07,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-21 12:25:07,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-09-21 12:25:07,314 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (10), 1 states have call predecessors, (10), 4 states have return successors, (9), 3 states have call predecessors, (9), 8 states have call successors, (9) [2024-09-21 12:25:07,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-21 12:25:07,421 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2024-09-21 12:25:07,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-21 12:25:07,421 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (10), 1 states have call predecessors, (10), 4 states have return successors, (9), 3 states have call predecessors, (9), 8 states have call successors, (9) Word has length 26 [2024-09-21 12:25:07,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-21 12:25:07,422 INFO L225 Difference]: With dead ends: 38 [2024-09-21 12:25:07,423 INFO L226 Difference]: Without dead ends: 23 [2024-09-21 12:25:07,424 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-09-21 12:25:07,426 INFO L434 NwaCegarLoop]: 15 mSDtfsCounter, 23 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-21 12:25:07,428 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 45 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-21 12:25:07,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-09-21 12:25:07,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-09-21 12:25:07,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-09-21 12:25:07,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2024-09-21 12:25:07,440 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 26 [2024-09-21 12:25:07,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-21 12:25:07,441 INFO L474 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2024-09-21 12:25:07,441 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (10), 1 states have call predecessors, (10), 4 states have return successors, (9), 3 states have call predecessors, (9), 8 states have call successors, (9) [2024-09-21 12:25:07,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:07,443 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-09-21 12:25:07,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-09-21 12:25:07,444 INFO L208 NwaCegarLoop]: Found error trace [2024-09-21 12:25:07,444 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-21 12:25:07,461 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-09-21 12:25:07,644 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-21 12:25:07,645 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-21 12:25:07,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:07,646 INFO L85 PathProgramCache]: Analyzing trace with hash 301246430, now seen corresponding path program 1 times [2024-09-21 12:25:07,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-21 12:25:07,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995771762] [2024-09-21 12:25:07,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-21 12:25:07,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-21 12:25:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:07,708 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-21 12:25:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:07,713 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-21 12:25:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:07,776 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:07,807 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:07,817 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-21 12:25:07,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-21 12:25:07,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995771762] [2024-09-21 12:25:07,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995771762] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-21 12:25:07,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621116224] [2024-09-21 12:25:07,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-21 12:25:07,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-21 12:25:07,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-21 12:25:07,823 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-21 12:25:07,826 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-21 12:25:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:07,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-21 12:25:07,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-21 12:25:07,917 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-21 12:25:07,918 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-21 12:25:08,120 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-21 12:25:08,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621116224] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-21 12:25:08,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-21 12:25:08,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 11 [2024-09-21 12:25:08,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134769346] [2024-09-21 12:25:08,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-21 12:25:08,121 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-21 12:25:08,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-21 12:25:08,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-21 12:25:08,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-09-21 12:25:08,123 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-09-21 12:25:08,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-21 12:25:08,254 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2024-09-21 12:25:08,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-21 12:25:08,254 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Word has length 27 [2024-09-21 12:25:08,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-21 12:25:08,256 INFO L225 Difference]: With dead ends: 41 [2024-09-21 12:25:08,258 INFO L226 Difference]: Without dead ends: 37 [2024-09-21 12:25:08,259 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-09-21 12:25:08,259 INFO L434 NwaCegarLoop]: 20 mSDtfsCounter, 21 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-21 12:25:08,260 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 83 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-21 12:25:08,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-09-21 12:25:08,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-09-21 12:25:08,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 24 states have internal predecessors, (26), 8 states have call successors, (8), 4 states have call predecessors, (8), 6 states have return successors, (17), 8 states have call predecessors, (17), 7 states have call successors, (17) [2024-09-21 12:25:08,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2024-09-21 12:25:08,272 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 27 [2024-09-21 12:25:08,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-21 12:25:08,273 INFO L474 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2024-09-21 12:25:08,273 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-09-21 12:25:08,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:08,274 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2024-09-21 12:25:08,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-09-21 12:25:08,275 INFO L208 NwaCegarLoop]: Found error trace [2024-09-21 12:25:08,275 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-21 12:25:08,293 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-21 12:25:08,476 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-21 12:25:08,476 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-21 12:25:08,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:08,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1626117641, now seen corresponding path program 2 times [2024-09-21 12:25:08,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-21 12:25:08,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513925458] [2024-09-21 12:25:08,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-21 12:25:08,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-21 12:25:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:08,516 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-21 12:25:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:08,519 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-21 12:25:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:08,547 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:08,599 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:08,604 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:08,609 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:08,624 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-09-21 12:25:08,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-21 12:25:08,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513925458] [2024-09-21 12:25:08,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513925458] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-21 12:25:08,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868302940] [2024-09-21 12:25:08,625 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-21 12:25:08,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-21 12:25:08,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-21 12:25:08,627 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-21 12:25:08,629 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-21 12:25:08,685 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-21 12:25:08,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-21 12:25:08,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-21 12:25:08,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-21 12:25:08,771 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-09-21 12:25:08,771 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-21 12:25:09,087 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-09-21 12:25:09,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868302940] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-21 12:25:09,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-21 12:25:09,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 9] total 17 [2024-09-21 12:25:09,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373906185] [2024-09-21 12:25:09,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-21 12:25:09,089 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-21 12:25:09,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-21 12:25:09,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-21 12:25:09,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-09-21 12:25:09,091 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (14), 1 states have call predecessors, (14), 7 states have return successors, (14), 7 states have call predecessors, (14), 10 states have call successors, (14) [2024-09-21 12:25:09,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-21 12:25:09,258 INFO L93 Difference]: Finished difference Result 72 states and 109 transitions. [2024-09-21 12:25:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-21 12:25:09,258 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (14), 1 states have call predecessors, (14), 7 states have return successors, (14), 7 states have call predecessors, (14), 10 states have call successors, (14) Word has length 40 [2024-09-21 12:25:09,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-21 12:25:09,260 INFO L225 Difference]: With dead ends: 72 [2024-09-21 12:25:09,260 INFO L226 Difference]: Without dead ends: 41 [2024-09-21 12:25:09,261 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 84 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2024-09-21 12:25:09,261 INFO L434 NwaCegarLoop]: 18 mSDtfsCounter, 41 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-21 12:25:09,262 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 91 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-21 12:25:09,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-09-21 12:25:09,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-09-21 12:25:09,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 states have internal predecessors, (30), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) [2024-09-21 12:25:09,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2024-09-21 12:25:09,270 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 40 [2024-09-21 12:25:09,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-21 12:25:09,271 INFO L474 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2024-09-21 12:25:09,271 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (14), 1 states have call predecessors, (14), 7 states have return successors, (14), 7 states have call predecessors, (14), 10 states have call successors, (14) [2024-09-21 12:25:09,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:09,271 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-09-21 12:25:09,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-09-21 12:25:09,273 INFO L208 NwaCegarLoop]: Found error trace [2024-09-21 12:25:09,273 INFO L216 NwaCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-21 12:25:09,291 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-21 12:25:09,477 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-21 12:25:09,478 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-21 12:25:09,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:09,478 INFO L85 PathProgramCache]: Analyzing trace with hash -506127720, now seen corresponding path program 3 times [2024-09-21 12:25:09,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-21 12:25:09,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126638399] [2024-09-21 12:25:09,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-21 12:25:09,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-21 12:25:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:09,558 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-21 12:25:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:09,562 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-21 12:25:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:09,668 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:09,719 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:09,773 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:09,795 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:09,801 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:09,806 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:09,821 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:09,827 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:09,830 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:09,832 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:09,835 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 22 proven. 127 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-09-21 12:25:09,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-21 12:25:09,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126638399] [2024-09-21 12:25:09,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126638399] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-21 12:25:09,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812627054] [2024-09-21 12:25:09,836 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-21 12:25:09,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-21 12:25:09,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-21 12:25:09,839 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-21 12:25:09,843 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-21 12:25:09,900 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-09-21 12:25:09,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-21 12:25:09,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-21 12:25:09,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-21 12:25:09,953 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 32 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-09-21 12:25:09,953 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-21 12:25:10,313 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 41 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-09-21 12:25:10,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812627054] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-21 12:25:10,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-21 12:25:10,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 9] total 17 [2024-09-21 12:25:10,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304236187] [2024-09-21 12:25:10,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-21 12:25:10,316 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-21 12:25:10,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-21 12:25:10,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-21 12:25:10,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-09-21 12:25:10,319 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 10 states have call successors, (16), 1 states have call predecessors, (16), 6 states have return successors, (19), 12 states have call predecessors, (19), 10 states have call successors, (19) [2024-09-21 12:25:10,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-21 12:25:10,503 INFO L93 Difference]: Finished difference Result 97 states and 143 transitions. [2024-09-21 12:25:10,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-21 12:25:10,504 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 10 states have call successors, (16), 1 states have call predecessors, (16), 6 states have return successors, (19), 12 states have call predecessors, (19), 10 states have call successors, (19) Word has length 82 [2024-09-21 12:25:10,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-21 12:25:10,507 INFO L225 Difference]: With dead ends: 97 [2024-09-21 12:25:10,507 INFO L226 Difference]: Without dead ends: 93 [2024-09-21 12:25:10,508 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 179 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-09-21 12:25:10,508 INFO L434 NwaCegarLoop]: 21 mSDtfsCounter, 46 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-21 12:25:10,509 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 94 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-21 12:25:10,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-09-21 12:25:10,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2024-09-21 12:25:10,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.1607142857142858) internal successors, (65), 55 states have internal predecessors, (65), 18 states have call successors, (18), 9 states have call predecessors, (18), 12 states have return successors, (44), 22 states have call predecessors, (44), 17 states have call successors, (44) [2024-09-21 12:25:10,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2024-09-21 12:25:10,533 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 82 [2024-09-21 12:25:10,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-21 12:25:10,534 INFO L474 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2024-09-21 12:25:10,534 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 10 states have call successors, (16), 1 states have call predecessors, (16), 6 states have return successors, (19), 12 states have call predecessors, (19), 10 states have call successors, (19) [2024-09-21 12:25:10,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:10,535 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2024-09-21 12:25:10,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-09-21 12:25:10,538 INFO L208 NwaCegarLoop]: Found error trace [2024-09-21 12:25:10,538 INFO L216 NwaCegarLoop]: trace histogram [29, 29, 23, 14, 14, 14, 14, 14, 14, 14, 9, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-21 12:25:10,556 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-21 12:25:10,742 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-21 12:25:10,743 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-21 12:25:10,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:10,743 INFO L85 PathProgramCache]: Analyzing trace with hash 468078537, now seen corresponding path program 4 times [2024-09-21 12:25:10,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-21 12:25:10,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421629533] [2024-09-21 12:25:10,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-21 12:25:10,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-21 12:25:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:10,970 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-21 12:25:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:10,973 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-21 12:25:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,197 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,291 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,353 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,396 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,431 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,448 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,452 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,457 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,465 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,467 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,469 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,480 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,484 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,485 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,487 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,489 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-21 12:25:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,573 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,638 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,650 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,654 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,657 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,659 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,660 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,716 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,723 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,726 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,733 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,736 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:11,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 393 proven. 617 refuted. 0 times theorem prover too weak. 1231 trivial. 0 not checked. [2024-09-21 12:25:11,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-21 12:25:11,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421629533] [2024-09-21 12:25:11,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421629533] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-21 12:25:11,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423856485] [2024-09-21 12:25:11,739 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-21 12:25:11,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-21 12:25:11,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-21 12:25:11,741 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-21 12:25:11,743 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-21 12:25:11,825 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-21 12:25:11,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-21 12:25:11,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-21 12:25:11,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-21 12:25:11,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 103 proven. 653 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2024-09-21 12:25:11,932 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-21 12:25:13,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 103 proven. 693 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2024-09-21 12:25:13,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423856485] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-21 12:25:13,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-21 12:25:13,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10, 15] total 29 [2024-09-21 12:25:13,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239871572] [2024-09-21 12:25:13,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-21 12:25:13,468 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-21 12:25:13,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-21 12:25:13,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-21 12:25:13,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-09-21 12:25:13,470 INFO L87 Difference]: Start difference. First operand 87 states and 127 transitions. Second operand has 29 states, 27 states have (on average 2.740740740740741) internal successors, (74), 29 states have internal predecessors, (74), 22 states have call successors, (27), 1 states have call predecessors, (27), 11 states have return successors, (37), 18 states have call predecessors, (37), 22 states have call successors, (37) [2024-09-21 12:25:13,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-21 12:25:13,874 INFO L93 Difference]: Finished difference Result 173 states and 318 transitions. [2024-09-21 12:25:13,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-21 12:25:13,875 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 2.740740740740741) internal successors, (74), 29 states have internal predecessors, (74), 22 states have call successors, (27), 1 states have call predecessors, (27), 11 states have return successors, (37), 18 states have call predecessors, (37), 22 states have call successors, (37) Word has length 204 [2024-09-21 12:25:13,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-21 12:25:13,878 INFO L225 Difference]: With dead ends: 173 [2024-09-21 12:25:13,878 INFO L226 Difference]: Without dead ends: 90 [2024-09-21 12:25:13,885 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 454 SyntacticMatches, 6 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 615 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=472, Invalid=1334, Unknown=0, NotChecked=0, Total=1806 [2024-09-21 12:25:13,888 INFO L434 NwaCegarLoop]: 23 mSDtfsCounter, 120 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-21 12:25:13,889 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 145 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-21 12:25:13,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-09-21 12:25:13,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 80. [2024-09-21 12:25:13,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 53 states have internal predecessors, (61), 16 states have call successors, (16), 12 states have call predecessors, (16), 9 states have return successors, (32), 14 states have call predecessors, (32), 15 states have call successors, (32) [2024-09-21 12:25:13,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2024-09-21 12:25:13,902 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 204 [2024-09-21 12:25:13,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-21 12:25:13,903 INFO L474 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2024-09-21 12:25:13,903 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 2.740740740740741) internal successors, (74), 29 states have internal predecessors, (74), 22 states have call successors, (27), 1 states have call predecessors, (27), 11 states have return successors, (37), 18 states have call predecessors, (37), 22 states have call successors, (37) [2024-09-21 12:25:13,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:13,903 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2024-09-21 12:25:13,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-09-21 12:25:13,906 INFO L208 NwaCegarLoop]: Found error trace [2024-09-21 12:25:13,907 INFO L216 NwaCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-21 12:25:13,924 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-21 12:25:14,107 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-09-21 12:25:14,108 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-21 12:25:14,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:14,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1027905163, now seen corresponding path program 5 times [2024-09-21 12:25:14,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-21 12:25:14,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864708312] [2024-09-21 12:25:14,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-21 12:25:14,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-21 12:25:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:14,377 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-21 12:25:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:14,380 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-21 12:25:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:14,650 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:14,780 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:14,875 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:14,927 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:14,965 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:14,998 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,014 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,018 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,022 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,029 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,031 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,032 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,041 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,045 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,047 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,048 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,050 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-21 12:25:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,064 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,069 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,073 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,075 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,076 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,078 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,081 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,083 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,085 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-21 12:25:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,118 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,123 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,129 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,133 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,135 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,137 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,140 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,143 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,145 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,151 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,155 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,158 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,161 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:15,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 189 proven. 1130 refuted. 0 times theorem prover too weak. 3249 trivial. 0 not checked. [2024-09-21 12:25:15,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-21 12:25:15,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864708312] [2024-09-21 12:25:15,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864708312] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-21 12:25:15,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281998861] [2024-09-21 12:25:15,167 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-21 12:25:15,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-21 12:25:15,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-21 12:25:15,169 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-21 12:25:15,171 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-21 12:25:15,336 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 41 check-sat command(s) [2024-09-21 12:25:15,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-21 12:25:15,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-21 12:25:15,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-21 12:25:15,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 818 proven. 334 refuted. 0 times theorem prover too weak. 3416 trivial. 0 not checked. [2024-09-21 12:25:15,434 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-21 12:25:16,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 826 proven. 366 refuted. 0 times theorem prover too weak. 3376 trivial. 0 not checked. [2024-09-21 12:25:16,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281998861] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-21 12:25:16,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-21 12:25:16,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 15] total 25 [2024-09-21 12:25:16,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447250699] [2024-09-21 12:25:16,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-21 12:25:16,932 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-09-21 12:25:16,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-21 12:25:16,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-09-21 12:25:16,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-09-21 12:25:16,934 INFO L87 Difference]: Start difference. First operand 80 states and 109 transitions. Second operand has 25 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 25 states have internal predecessors, (65), 20 states have call successors, (25), 1 states have call predecessors, (25), 8 states have return successors, (33), 16 states have call predecessors, (33), 20 states have call successors, (33) [2024-09-21 12:25:17,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-21 12:25:17,152 INFO L93 Difference]: Finished difference Result 250 states and 377 transitions. [2024-09-21 12:25:17,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-21 12:25:17,152 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 25 states have internal predecessors, (65), 20 states have call successors, (25), 1 states have call predecessors, (25), 8 states have return successors, (33), 16 states have call predecessors, (33), 20 states have call successors, (33) Word has length 286 [2024-09-21 12:25:17,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-21 12:25:17,157 INFO L225 Difference]: With dead ends: 250 [2024-09-21 12:25:17,157 INFO L226 Difference]: Without dead ends: 246 [2024-09-21 12:25:17,158 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 642 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2024-09-21 12:25:17,159 INFO L434 NwaCegarLoop]: 21 mSDtfsCounter, 70 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-21 12:25:17,159 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 114 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-21 12:25:17,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-09-21 12:25:17,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 231. [2024-09-21 12:25:17,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 155 states have (on average 1.135483870967742) internal successors, (176), 151 states have internal predecessors, (176), 50 states have call successors, (50), 28 states have call predecessors, (50), 25 states have return successors, (123), 51 states have call predecessors, (123), 49 states have call successors, (123) [2024-09-21 12:25:17,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 349 transitions. [2024-09-21 12:25:17,203 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 349 transitions. Word has length 286 [2024-09-21 12:25:17,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-21 12:25:17,203 INFO L474 AbstractCegarLoop]: Abstraction has 231 states and 349 transitions. [2024-09-21 12:25:17,204 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 25 states have internal predecessors, (65), 20 states have call successors, (25), 1 states have call predecessors, (25), 8 states have return successors, (33), 16 states have call predecessors, (33), 20 states have call successors, (33) [2024-09-21 12:25:17,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:17,204 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 349 transitions. [2024-09-21 12:25:17,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2024-09-21 12:25:17,213 INFO L208 NwaCegarLoop]: Found error trace [2024-09-21 12:25:17,214 INFO L216 NwaCegarLoop]: trace histogram [77, 77, 62, 38, 38, 38, 38, 38, 38, 38, 24, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-21 12:25:17,233 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-21 12:25:17,418 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-21 12:25:17,419 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-21 12:25:17,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:17,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1694340825, now seen corresponding path program 6 times [2024-09-21 12:25:17,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-21 12:25:17,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306029711] [2024-09-21 12:25:17,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-21 12:25:17,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-21 12:25:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:18,038 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-21 12:25:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:18,041 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-21 12:25:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:18,712 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:18,935 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,058 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,153 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,213 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,250 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,291 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,311 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,315 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,319 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,326 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,327 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,329 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,339 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,343 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,344 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,345 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,350 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-21 12:25:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,369 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,373 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,374 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,375 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,377 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,380 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,381 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,383 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-21 12:25:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,406 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,414 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,419 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,422 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,424 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,425 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,427 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,430 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,431 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,432 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,437 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,440 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,442 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,443 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,445 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-21 12:25:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,648 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,785 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,859 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,896 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,905 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,909 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,911 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,912 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,913 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,968 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,971 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,974 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,982 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,985 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,986 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,987 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:19,988 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-21 12:25:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:20,000 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:20,004 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:20,007 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:20,010 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:20,011 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:20,012 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:20,015 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:20,016 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:20,017 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-21 12:25:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:20,052 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:20,074 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:20,089 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:20,096 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:20,099 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:20,102 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:20,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:20,108 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:20,115 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 2818 proven. 2810 refuted. 0 times theorem prover too weak. 10779 trivial. 0 not checked. [2024-09-21 12:25:20,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-21 12:25:20,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306029711] [2024-09-21 12:25:20,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306029711] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-21 12:25:20,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759166248] [2024-09-21 12:25:20,116 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-21 12:25:20,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-21 12:25:20,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-21 12:25:20,118 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-21 12:25:20,119 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-21 12:25:20,278 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2024-09-21 12:25:20,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-21 12:25:20,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-21 12:25:20,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-21 12:25:20,397 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 533 proven. 2177 refuted. 0 times theorem prover too weak. 13697 trivial. 0 not checked. [2024-09-21 12:25:20,398 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-21 12:25:22,909 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 537 proven. 2230 refuted. 0 times theorem prover too weak. 13640 trivial. 0 not checked. [2024-09-21 12:25:22,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759166248] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-21 12:25:22,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-21 12:25:22,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 11, 17] total 36 [2024-09-21 12:25:22,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090396027] [2024-09-21 12:25:22,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-21 12:25:22,915 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-21 12:25:22,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-21 12:25:22,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-21 12:25:22,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=953, Unknown=0, NotChecked=0, Total=1260 [2024-09-21 12:25:22,921 INFO L87 Difference]: Start difference. First operand 231 states and 349 transitions. Second operand has 36 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 36 states have internal predecessors, (88), 26 states have call successors, (33), 1 states have call predecessors, (33), 14 states have return successors, (48), 27 states have call predecessors, (48), 26 states have call successors, (48) [2024-09-21 12:25:23,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-21 12:25:23,523 INFO L93 Difference]: Finished difference Result 365 states and 660 transitions. [2024-09-21 12:25:23,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-21 12:25:23,524 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 36 states have internal predecessors, (88), 26 states have call successors, (33), 1 states have call predecessors, (33), 14 states have return successors, (48), 27 states have call predecessors, (48), 26 states have call successors, (48) Word has length 531 [2024-09-21 12:25:23,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-21 12:25:23,528 INFO L225 Difference]: With dead ends: 365 [2024-09-21 12:25:23,528 INFO L226 Difference]: Without dead ends: 148 [2024-09-21 12:25:23,532 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1275 GetRequests, 1210 SyntacticMatches, 8 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1177 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=831, Invalid=2591, Unknown=0, NotChecked=0, Total=3422 [2024-09-21 12:25:23,532 INFO L434 NwaCegarLoop]: 33 mSDtfsCounter, 190 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-21 12:25:23,533 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 266 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-21 12:25:23,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-09-21 12:25:23,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 119. [2024-09-21 12:25:23,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 82 states have (on average 1.0853658536585367) internal successors, (89), 80 states have internal predecessors, (89), 25 states have call successors, (25), 19 states have call predecessors, (25), 11 states have return successors, (56), 19 states have call predecessors, (56), 24 states have call successors, (56) [2024-09-21 12:25:23,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 170 transitions. [2024-09-21 12:25:23,551 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 170 transitions. Word has length 531 [2024-09-21 12:25:23,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-21 12:25:23,551 INFO L474 AbstractCegarLoop]: Abstraction has 119 states and 170 transitions. [2024-09-21 12:25:23,552 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 36 states have internal predecessors, (88), 26 states have call successors, (33), 1 states have call predecessors, (33), 14 states have return successors, (48), 27 states have call predecessors, (48), 26 states have call successors, (48) [2024-09-21 12:25:23,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:23,552 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 170 transitions. [2024-09-21 12:25:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2024-09-21 12:25:23,572 INFO L208 NwaCegarLoop]: Found error trace [2024-09-21 12:25:23,573 INFO L216 NwaCegarLoop]: trace histogram [125, 125, 101, 62, 62, 62, 62, 62, 62, 62, 39, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-21 12:25:23,591 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-21 12:25:23,773 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-21 12:25:23,774 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-21 12:25:23,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:23,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1852929859, now seen corresponding path program 7 times [2024-09-21 12:25:23,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-21 12:25:23,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271816036] [2024-09-21 12:25:23,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-21 12:25:23,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-21 12:25:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:24,900 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-21 12:25:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:24,902 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-21 12:25:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,046 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,367 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,608 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,716 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,783 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,835 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,874 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,909 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,926 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,929 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,932 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,937 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,938 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,939 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,947 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,950 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,951 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,952 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,953 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-21 12:25:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,965 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,969 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,976 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,977 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,979 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,983 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,985 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,987 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:26,988 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-21 12:25:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,008 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,015 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,019 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,022 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,024 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,026 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,027 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,030 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,032 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,034 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,038 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,041 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,043 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,044 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,045 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-21 12:25:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,079 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,091 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,098 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,103 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,111 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,115 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,118 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,120 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,122 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,126 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,131 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,133 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,137 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,139 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-21 12:25:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,146 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,151 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,154 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,155 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,157 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,159 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,163 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,164 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,169 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-21 12:25:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,520 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,697 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,806 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,881 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,919 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,926 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,946 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,949 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:27,950 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,012 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,017 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,020 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,030 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,033 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,035 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,036 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,037 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-21 12:25:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,049 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,054 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,056 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,057 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,059 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,060 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,062 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,065 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,067 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-21 12:25:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,097 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,104 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,111 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,112 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,116 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,117 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,119 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,123 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,126 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,127 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,128 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,129 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-21 12:25:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,182 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,214 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,240 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,254 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,261 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,263 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,266 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,271 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,272 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,273 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,281 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,284 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,285 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,286 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,291 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 5753 proven. 5825 refuted. 0 times theorem prover too weak. 32036 trivial. 0 not checked. [2024-09-21 12:25:28,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-21 12:25:28,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271816036] [2024-09-21 12:25:28,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271816036] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-21 12:25:28,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040900835] [2024-09-21 12:25:28,292 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-21 12:25:28,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-21 12:25:28,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-21 12:25:28,294 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-21 12:25:28,295 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-21 12:25:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:28,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 1924 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-09-21 12:25:28,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-21 12:25:28,821 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 3794 proven. 2058 refuted. 0 times theorem prover too weak. 37762 trivial. 0 not checked. [2024-09-21 12:25:28,821 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-21 12:25:33,359 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 3794 proven. 2150 refuted. 0 times theorem prover too weak. 37670 trivial. 0 not checked. [2024-09-21 12:25:33,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040900835] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-21 12:25:33,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-21 12:25:33,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 13, 21] total 45 [2024-09-21 12:25:33,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053376870] [2024-09-21 12:25:33,360 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-21 12:25:33,362 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-09-21 12:25:33,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-21 12:25:33,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-09-21 12:25:33,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=1545, Unknown=0, NotChecked=0, Total=1980 [2024-09-21 12:25:33,364 INFO L87 Difference]: Start difference. First operand 119 states and 170 transitions. Second operand has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (39), 1 states have call predecessors, (39), 19 states have return successors, (58), 33 states have call predecessors, (58), 32 states have call successors, (58) [2024-09-21 12:25:34,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-21 12:25:34,169 INFO L93 Difference]: Finished difference Result 292 states and 611 transitions. [2024-09-21 12:25:34,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-21 12:25:34,169 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (39), 1 states have call predecessors, (39), 19 states have return successors, (58), 33 states have call predecessors, (58), 32 states have call successors, (58) Word has length 858 [2024-09-21 12:25:34,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-21 12:25:34,173 INFO L225 Difference]: With dead ends: 292 [2024-09-21 12:25:34,173 INFO L226 Difference]: Without dead ends: 163 [2024-09-21 12:25:34,177 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2040 GetRequests, 1955 SyntacticMatches, 10 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2124 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1252, Invalid=4600, Unknown=0, NotChecked=0, Total=5852 [2024-09-21 12:25:34,177 INFO L434 NwaCegarLoop]: 49 mSDtfsCounter, 237 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-09-21 12:25:34,178 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 358 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-09-21 12:25:34,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-09-21 12:25:34,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 139. [2024-09-21 12:25:34,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 97 states have (on average 1.0206185567010309) internal successors, (99), 95 states have internal predecessors, (99), 30 states have call successors, (30), 24 states have call predecessors, (30), 11 states have return successors, (54), 19 states have call predecessors, (54), 29 states have call successors, (54) [2024-09-21 12:25:34,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2024-09-21 12:25:34,195 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 858 [2024-09-21 12:25:34,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-21 12:25:34,196 INFO L474 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2024-09-21 12:25:34,197 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (39), 1 states have call predecessors, (39), 19 states have return successors, (58), 33 states have call predecessors, (58), 32 states have call successors, (58) [2024-09-21 12:25:34,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:34,197 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2024-09-21 12:25:34,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2024-09-21 12:25:34,201 INFO L208 NwaCegarLoop]: Found error trace [2024-09-21 12:25:34,202 INFO L216 NwaCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-21 12:25:34,221 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-21 12:25:34,405 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-21 12:25:34,406 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-21 12:25:34,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:34,406 INFO L85 PathProgramCache]: Analyzing trace with hash -2072743553, now seen corresponding path program 8 times [2024-09-21 12:25:34,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-21 12:25:34,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616141603] [2024-09-21 12:25:34,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-21 12:25:34,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-21 12:25:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:42,609 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-21 12:25:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:42,612 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-21 12:25:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:45,882 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:47,246 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:47,627 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:47,810 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:47,937 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,027 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,103 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,162 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,168 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,197 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,203 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,218 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,225 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,230 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,251 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,266 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,270 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,274 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,279 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-21 12:25:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,320 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,339 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,350 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,353 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,357 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,360 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,391 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,395 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,400 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-21 12:25:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,472 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,501 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,517 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,534 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,540 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,545 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,550 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,567 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,572 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,577 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,593 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,610 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,614 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,620 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,625 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-21 12:25:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,798 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,875 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,907 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,928 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,944 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,949 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,959 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,974 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,980 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:48,986 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,007 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,019 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,024 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,030 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,035 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-21 12:25:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,072 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,089 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,099 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,104 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,108 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,126 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,130 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,135 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-21 12:25:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,559 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,697 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,758 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,784 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,798 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,807 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,810 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,813 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,816 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,827 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,830 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,834 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,848 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,858 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,862 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,865 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,869 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-21 12:25:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,910 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,929 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,941 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,946 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,950 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,967 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,973 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:49,978 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-21 12:25:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:50,061 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:50,090 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:50,109 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:50,122 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:50,126 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:50,130 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:50,135 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:50,148 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:50,153 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:50,157 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:50,177 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:50,189 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:50,193 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:50,198 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:50,203 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-21 12:25:50,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-21 12:25:50,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616141603] [2024-09-21 12:25:50,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616141603] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-21 12:25:50,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676009178] [2024-09-21 12:25:50,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-21 12:25:50,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-21 12:25:50,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-21 12:25:50,204 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-21 12:25:50,205 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-21 12:25:50,499 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-21 12:25:50,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-21 12:25:50,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 1682 conjuncts, 439 conjuncts are in the unsatisfiable core [2024-09-21 12:25:50,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-21 12:25:51,159 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-21 12:25:51,160 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-21 12:25:54,820 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-21 12:25:54,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676009178] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-21 12:25:54,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-21 12:25:54,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 36 [2024-09-21 12:25:54,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562072880] [2024-09-21 12:25:54,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-21 12:25:54,822 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-21 12:25:54,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-21 12:25:54,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-21 12:25:54,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2024-09-21 12:25:54,823 INFO L87 Difference]: Start difference. First operand 139 states and 183 transitions. Second operand has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (11), 1 states have call predecessors, (11), 10 states have return successors, (25), 25 states have call predecessors, (25), 8 states have call successors, (25) [2024-09-21 12:25:55,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-21 12:25:55,149 INFO L93 Difference]: Finished difference Result 152 states and 204 transitions. [2024-09-21 12:25:55,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-21 12:25:55,149 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (11), 1 states have call predecessors, (11), 10 states have return successors, (25), 25 states have call predecessors, (25), 8 states have call successors, (25) Word has length 749 [2024-09-21 12:25:55,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-21 12:25:55,154 INFO L225 Difference]: With dead ends: 152 [2024-09-21 12:25:55,154 INFO L226 Difference]: Without dead ends: 148 [2024-09-21 12:25:55,158 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1938 GetRequests, 1904 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2024-09-21 12:25:55,158 INFO L434 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-21 12:25:55,158 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1077 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-21 12:25:55,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-09-21 12:25:55,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 147. [2024-09-21 12:25:55,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 102 states have (on average 1.0196078431372548) internal successors, (104), 100 states have internal predecessors, (104), 31 states have call successors, (31), 24 states have call predecessors, (31), 13 states have return successors, (61), 22 states have call predecessors, (61), 30 states have call successors, (61) [2024-09-21 12:25:55,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 196 transitions. [2024-09-21 12:25:55,181 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 196 transitions. Word has length 749 [2024-09-21 12:25:55,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-21 12:25:55,183 INFO L474 AbstractCegarLoop]: Abstraction has 147 states and 196 transitions. [2024-09-21 12:25:55,184 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (11), 1 states have call predecessors, (11), 10 states have return successors, (25), 25 states have call predecessors, (25), 8 states have call successors, (25) [2024-09-21 12:25:55,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:55,184 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2024-09-21 12:25:55,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 927 [2024-09-21 12:25:55,190 INFO L208 NwaCegarLoop]: Found error trace [2024-09-21 12:25:55,190 INFO L216 NwaCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 42, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-21 12:25:55,205 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-09-21 12:25:55,390 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-09-21 12:25:55,391 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-21 12:25:55,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:25:55,391 INFO L85 PathProgramCache]: Analyzing trace with hash -562081978, now seen corresponding path program 9 times [2024-09-21 12:25:55,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-21 12:25:55,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004363392] [2024-09-21 12:25:55,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-21 12:25:55,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-21 12:25:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:56,123 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-21 12:25:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:56,125 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-21 12:25:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:56,816 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,309 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,517 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,617 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,693 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,752 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,778 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,782 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,783 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,784 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,785 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,786 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,832 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,834 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,835 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,839 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,841 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,842 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,842 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,843 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-21 12:25:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,850 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,853 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,855 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,856 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,857 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,858 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,860 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,861 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,862 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-21 12:25:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,879 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,885 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,888 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,891 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,892 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,893 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,894 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,896 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,897 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,898 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,901 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,904 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,905 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,906 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,907 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-21 12:25:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,930 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,938 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,942 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,945 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,946 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,947 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,950 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,951 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,952 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,960 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,961 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,962 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,963 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,963 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-21 12:25:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,967 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,970 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,971 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,972 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,972 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,973 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,975 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,976 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:57,977 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-21 12:25:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,043 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,092 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,143 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,179 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,207 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,220 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,221 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,223 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,226 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,227 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,228 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,234 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,236 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,237 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,238 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,239 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-21 12:25:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,249 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,252 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,254 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,255 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,256 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,257 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,258 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,259 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,260 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2024-09-21 12:25:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,288 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,300 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,306 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,310 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,313 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,314 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,315 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,316 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,317 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,318 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,319 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,320 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,323 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,326 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,326 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,327 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,328 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-21 12:25:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,334 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,338 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,340 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,341 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,342 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,343 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,346 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,347 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,348 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-21 12:25:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,357 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,368 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,371 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,372 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,373 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,374 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-21 12:25:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,377 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,378 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,379 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-21 12:25:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,383 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,385 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-21 12:25:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,386 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-21 12:25:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,387 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-21 12:25:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-21 12:25:58,391 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3313 proven. 5871 refuted. 0 times theorem prover too weak. 41726 trivial. 0 not checked. [2024-09-21 12:25:58,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-21 12:25:58,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004363392] [2024-09-21 12:25:58,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004363392] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-21 12:25:58,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695311231] [2024-09-21 12:25:58,391 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-21 12:25:58,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-21 12:25:58,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-21 12:25:58,393 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-21 12:25:58,395 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-21 12:25:58,615 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 36 check-sat command(s) [2024-09-21 12:25:58,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-21 12:25:58,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-09-21 12:25:58,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-21 12:25:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1209 proven. 5377 refuted. 0 times theorem prover too weak. 44324 trivial. 0 not checked. [2024-09-21 12:25:58,806 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-21 12:26:03,623 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1201 proven. 5477 refuted. 0 times theorem prover too weak. 44232 trivial. 0 not checked. [2024-09-21 12:26:03,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695311231] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-21 12:26:03,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-21 12:26:03,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 14, 22] total 43 [2024-09-21 12:26:03,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487697807] [2024-09-21 12:26:03,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-21 12:26:03,626 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-09-21 12:26:03,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-21 12:26:03,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-09-21 12:26:03,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=415, Invalid=1391, Unknown=0, NotChecked=0, Total=1806 [2024-09-21 12:26:03,630 INFO L87 Difference]: Start difference. First operand 147 states and 196 transitions. Second operand has 43 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 43 states have internal predecessors, (104), 33 states have call successors, (39), 1 states have call predecessors, (39), 17 states have return successors, (57), 28 states have call predecessors, (57), 33 states have call successors, (57) [2024-09-21 12:26:04,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-21 12:26:04,129 INFO L93 Difference]: Finished difference Result 290 states and 403 transitions. [2024-09-21 12:26:04,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-21 12:26:04,130 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 43 states have internal predecessors, (104), 33 states have call successors, (39), 1 states have call predecessors, (39), 17 states have return successors, (57), 28 states have call predecessors, (57), 33 states have call successors, (57) Word has length 926 [2024-09-21 12:26:04,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-21 12:26:04,132 INFO L225 Difference]: With dead ends: 290 [2024-09-21 12:26:04,132 INFO L226 Difference]: Without dead ends: 0 [2024-09-21 12:26:04,135 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2166 GetRequests, 2101 SyntacticMatches, 10 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1258 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=757, Invalid=2435, Unknown=0, NotChecked=0, Total=3192 [2024-09-21 12:26:04,135 INFO L434 NwaCegarLoop]: 49 mSDtfsCounter, 122 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-21 12:26:04,136 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 336 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-21 12:26:04,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-09-21 12:26:04,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-09-21 12:26:04,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-21 12:26:04,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-09-21 12:26:04,137 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 926 [2024-09-21 12:26:04,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-21 12:26:04,137 INFO L474 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-09-21 12:26:04,138 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 43 states have internal predecessors, (104), 33 states have call successors, (39), 1 states have call predecessors, (39), 17 states have return successors, (57), 28 states have call predecessors, (57), 33 states have call successors, (57) [2024-09-21 12:26:04,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-21 12:26:04,138 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-09-21 12:26:04,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-09-21 12:26:04,141 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-09-21 12:26:04,160 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-09-21 12:26:04,342 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-09-21 12:26:04,346 INFO L408 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1] [2024-09-21 12:26:04,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-09-21 12:26:08,295 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-21 12:26:08,317 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-09-21 12:26:08,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:26:08 BoogieIcfgContainer [2024-09-21 12:26:08,320 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-21 12:26:08,320 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-09-21 12:26:08,320 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-09-21 12:26:08,321 INFO L274 PluginConnector]: Witness Printer initialized [2024-09-21 12:26:08,321 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:25:05" (3/4) ... [2024-09-21 12:26:08,323 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-09-21 12:26:08,379 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.yml [2024-09-21 12:26:08,379 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-09-21 12:26:08,379 INFO L158 Benchmark]: Toolchain (without parser) took 63250.75ms. Allocated memory was 178.3MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 110.6MB in the beginning and 908.4MB in the end (delta: -797.8MB). Peak memory consumption was 681.9MB. Max. memory is 16.1GB. [2024-09-21 12:26:08,380 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:26:08,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.54ms. Allocated memory is still 178.3MB. Free memory was 110.4MB in the beginning and 99.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 12:26:08,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.33ms. Allocated memory is still 178.3MB. Free memory was 99.4MB in the beginning and 98.4MB in the end (delta: 955.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:26:08,380 INFO L158 Benchmark]: Boogie Preprocessor took 42.68ms. Allocated memory is still 178.3MB. Free memory was 98.4MB in the beginning and 96.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:26:08,381 INFO L158 Benchmark]: RCFGBuilder took 341.74ms. Allocated memory is still 178.3MB. Free memory was 96.7MB in the beginning and 141.7MB in the end (delta: -45.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-21 12:26:08,381 INFO L158 Benchmark]: TraceAbstraction took 62551.09ms. Allocated memory was 178.3MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 141.0MB in the beginning and 910.5MB in the end (delta: -769.5MB). Peak memory consumption was 998.1MB. Max. memory is 16.1GB. [2024-09-21 12:26:08,381 INFO L158 Benchmark]: Witness Printer took 58.62ms. Allocated memory is still 1.7GB. Free memory was 910.5MB in the beginning and 908.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:26:08,382 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.54ms. Allocated memory is still 178.3MB. Free memory was 110.4MB in the beginning and 99.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.33ms. Allocated memory is still 178.3MB. Free memory was 99.4MB in the beginning and 98.4MB in the end (delta: 955.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.68ms. Allocated memory is still 178.3MB. Free memory was 98.4MB in the beginning and 96.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 341.74ms. Allocated memory is still 178.3MB. Free memory was 96.7MB in the beginning and 141.7MB in the end (delta: -45.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 62551.09ms. Allocated memory was 178.3MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 141.0MB in the beginning and 910.5MB in the end (delta: -769.5MB). Peak memory consumption was 998.1MB. Max. memory is 16.1GB. * Witness Printer took 58.62ms. Allocated memory is still 1.7GB. Free memory was 910.5MB in the beginning and 908.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 33]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 58.5s, OverallIterations: 12, TraceHistogramMax: 135, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.1s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 940 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 887 mSDsluCounter, 2711 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2380 mSDsCounter, 830 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3887 IncrementalHoareTripleChecker+Invalid, 4717 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 830 mSolverCounterUnsat, 331 mSDtfsCounter, 3887 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9053 GetRequests, 8651 SyntacticMatches, 50 SemanticMatches, 352 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5872 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=231occurred in iteration=8, InterpolantAutomatonStates: 247, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 89 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 50.2s InterpolantComputationTime, 7485 NumberOfCodeBlocks, 6483 NumberOfCodeBlocksAsserted, 131 NumberOfCheckSat, 11182 ConstructedInterpolants, 0 QuantifiedInterpolants, 17429 SizeOfPredicates, 40 NumberOfNonLiveVariables, 6202 ConjunctsInSsa, 552 ConjunctsInUnsatCore, 32 InterpolantComputations, 2 PerfectInterpolantSequences, 382855/453612 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 16]: Procedure Contract for fibonacci Derived contract for procedure fibonacci. Ensures: ((\result == 0) || (0 < n)) RESULT: Ultimate proved your program to be correct! [2024-09-21 12:26:08,417 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE