./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 ca4ee3dd 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-ca4ee3d-m [2024-09-20 19:46:48,876 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 19:46:48,934 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-20 19:46:48,938 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 19:46:48,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 19:46:48,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 19:46:48,965 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 19:46:48,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 19:46:48,965 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 19:46:48,965 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 19:46:48,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 19:46:48,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 19:46:48,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 19:46:48,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 19:46:48,967 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 19:46:48,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 19:46:48,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 19:46:48,967 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 19:46:48,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 19:46:48,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 19:46:48,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 19:46:48,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 19:46:48,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 19:46:48,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 19:46:48,973 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 19:46:48,974 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 19:46:48,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 19:46:48,974 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 19:46:48,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 19:46:48,974 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 19:46:48,974 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 19:46:48,975 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 19:46:48,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 19:46:48,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 19:46:48,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 19:46:48,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 19:46:48,975 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 19:46:48,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 19:46:48,975 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 19:46:48,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 19:46:48,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 19:46:48,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 19:46:48,976 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Generate GraphML witnesses -> false [2024-09-20 19:46:49,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 19:46:49,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 19:46:49,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 19:46:49,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 19:46:49,208 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 19:46:49,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/recursive/Fibonacci02.c [2024-09-20 19:46:50,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 19:46:50,675 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 19:46:50,676 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/Fibonacci02.c [2024-09-20 19:46:50,681 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/db7706aa9/b90769f43df34eed856d02a358de4ace/FLAGb00199063 [2024-09-20 19:46:50,693 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/db7706aa9/b90769f43df34eed856d02a358de4ace [2024-09-20 19:46:50,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 19:46:50,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-20 19:46:50,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 19:46:50,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 19:46:50,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 19:46:50,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:46:50" (1/1) ... [2024-09-20 19:46:50,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73173c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:46:50, skipping insertion in model container [2024-09-20 19:46:50,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:46:50" (1/1) ... [2024-09-20 19:46:50,724 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 19:46:50,847 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] [2024-09-20 19:46:50,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 19:46:50,860 INFO L200 MainTranslator]: Completed pre-run [2024-09-20 19:46:50,870 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] [2024-09-20 19:46:50,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 19:46:50,883 INFO L204 MainTranslator]: Completed translation [2024-09-20 19:46:50,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:46:50 WrapperNode [2024-09-20 19:46:50,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 19:46:50,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-20 19:46:50,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-20 19:46:50,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-20 19:46:50,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:46:50" (1/1) ... [2024-09-20 19:46:50,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:46:50" (1/1) ... [2024-09-20 19:46:50,900 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-20 19:46:50,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-20 19:46:50,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 19:46:50,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 19:46:50,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 19:46:50,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:46:50" (1/1) ... [2024-09-20 19:46:50,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:46:50" (1/1) ... [2024-09-20 19:46:50,910 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:46:50" (1/1) ... [2024-09-20 19:46:50,919 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]. [2024-09-20 19:46:50,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:46:50" (1/1) ... [2024-09-20 19:46:50,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:46:50" (1/1) ... [2024-09-20 19:46:50,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:46:50" (1/1) ... [2024-09-20 19:46:50,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:46:50" (1/1) ... [2024-09-20 19:46:50,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:46:50" (1/1) ... [2024-09-20 19:46:50,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:46:50" (1/1) ... [2024-09-20 19:46:50,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 19:46:50,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 19:46:50,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 19:46:50,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 19:46:50,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:46:50" (1/1) ... [2024-09-20 19:46:50,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 19:46:50,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:46:50,956 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) [2024-09-20 19:46:50,958 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 [2024-09-20 19:46:51,002 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2024-09-20 19:46:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2024-09-20 19:46:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 19:46:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 19:46:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 19:46:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 19:46:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 19:46:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 19:46:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 19:46:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-20 19:46:51,054 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 19:46:51,056 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 19:46:51,162 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-09-20 19:46:51,162 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 19:46:51,182 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 19:46:51,182 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 19:46:51,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:46:51 BoogieIcfgContainer [2024-09-20 19:46:51,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 19:46:51,184 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-20 19:46:51,184 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-20 19:46:51,187 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-20 19:46:51,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 07:46:50" (1/3) ... [2024-09-20 19:46:51,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c08e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 07:46:51, skipping insertion in model container [2024-09-20 19:46:51,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:46:50" (2/3) ... [2024-09-20 19:46:51,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c08e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 07:46:51, skipping insertion in model container [2024-09-20 19:46:51,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:46:51" (3/3) ... [2024-09-20 19:46:51,190 INFO L112 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2024-09-20 19:46:51,204 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-20 19:46:51,204 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-20 19:46:51,255 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-20 19:46:51,260 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;@2af4dcf7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-20 19:46:51,260 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-20 19:46:51,264 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) [2024-09-20 19:46:51,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-09-20 19:46:51,270 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:46:51,270 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-20 19:46:51,271 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:46:51,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:46:51,275 INFO L85 PathProgramCache]: Analyzing trace with hash -351828897, now seen corresponding path program 1 times [2024-09-20 19:46:51,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:46:51,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615196926] [2024-09-20 19:46:51,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:46:51,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:46:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:51,438 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:46:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:51,445 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:46:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-20 19:46:51,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:46:51,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615196926] [2024-09-20 19:46:51,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615196926] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-20 19:46:51,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-20 19:46:51,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-20 19:46:51,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720150406] [2024-09-20 19:46:51,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-20 19:46:51,505 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-20 19:46:51,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:46:51,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-20 19:46:51,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-20 19:46:51,521 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) [2024-09-20 19:46:51,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:46:51,579 INFO L93 Difference]: Finished difference Result 35 states and 43 transitions. [2024-09-20 19:46:51,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-20 19:46:51,582 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 [2024-09-20 19:46:51,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:46:51,590 INFO L225 Difference]: With dead ends: 35 [2024-09-20 19:46:51,592 INFO L226 Difference]: Without dead ends: 23 [2024-09-20 19:46:51,594 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 [2024-09-20 19:46:51,598 INFO L434 NwaCegarLoop]: 20 mSDtfsCounter, 10 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-09-20 19:46:51,601 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 60 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-20 19:46:51,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-09-20 19:46:51,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-09-20 19:46:51,652 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) [2024-09-20 19:46:51,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-09-20 19:46:51,655 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2024-09-20 19:46:51,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:46:51,656 INFO L474 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-09-20 19:46:51,656 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) [2024-09-20 19:46:51,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:46:51,657 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-09-20 19:46:51,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-09-20 19:46:51,658 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:46:51,658 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-20 19:46:51,659 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-20 19:46:51,659 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:46:51,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:46:51,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1624511627, now seen corresponding path program 1 times [2024-09-20 19:46:51,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:46:51,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867311046] [2024-09-20 19:46:51,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:46:51,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:46:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:51,732 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:46:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:51,738 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:46:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:51,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-20 19:46:51,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:46:51,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867311046] [2024-09-20 19:46:51,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867311046] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-20 19:46:51,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-20 19:46:51,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-20 19:46:51,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336667322] [2024-09-20 19:46:51,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-20 19:46:51,799 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-20 19:46:51,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:46:51,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-20 19:46:51,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-20 19:46:51,802 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) [2024-09-20 19:46:51,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:46:51,857 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-09-20 19:46:51,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-20 19:46:51,857 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 [2024-09-20 19:46:51,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:46:51,858 INFO L225 Difference]: With dead ends: 27 [2024-09-20 19:46:51,858 INFO L226 Difference]: Without dead ends: 23 [2024-09-20 19:46:51,858 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 [2024-09-20 19:46:51,859 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, 0.0s IncrementalHoareTripleChecker+Time [2024-09-20 19:46:51,859 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 42 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-20 19:46:51,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-09-20 19:46:51,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-09-20 19:46:51,871 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) [2024-09-20 19:46:51,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-09-20 19:46:51,873 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2024-09-20 19:46:51,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:46:51,873 INFO L474 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-09-20 19:46:51,875 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) [2024-09-20 19:46:51,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:46:51,875 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-09-20 19:46:51,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-09-20 19:46:51,876 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:46:51,877 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] [2024-09-20 19:46:51,877 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-20 19:46:51,877 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:46:51,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:46:51,878 INFO L85 PathProgramCache]: Analyzing trace with hash -401354712, now seen corresponding path program 1 times [2024-09-20 19:46:51,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:46:51,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052181982] [2024-09-20 19:46:51,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:46:51,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:46:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:51,943 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:46:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:51,947 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:46:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:51,988 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:52,007 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-09-20 19:46:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:52,014 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-20 19:46:52,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:46:52,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052181982] [2024-09-20 19:46:52,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052181982] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:46:52,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50454706] [2024-09-20 19:46:52,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:46:52,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:46:52,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:46:52,018 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) [2024-09-20 19:46:52,020 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-20 19:46:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:52,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-20 19:46:52,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:46:52,138 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-20 19:46:52,138 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:46:52,312 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-20 19:46:52,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50454706] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 19:46:52,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 19:46:52,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 12 [2024-09-20 19:46:52,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361467373] [2024-09-20 19:46:52,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 19:46:52,313 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-20 19:46:52,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:46:52,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-20 19:46:52,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-09-20 19:46:52,314 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) [2024-09-20 19:46:52,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:46:52,390 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2024-09-20 19:46:52,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-20 19:46:52,390 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 [2024-09-20 19:46:52,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:46:52,391 INFO L225 Difference]: With dead ends: 38 [2024-09-20 19:46:52,391 INFO L226 Difference]: Without dead ends: 23 [2024-09-20 19:46:52,391 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 [2024-09-20 19:46:52,392 INFO L434 NwaCegarLoop]: 15 mSDtfsCounter, 23 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-09-20 19:46:52,392 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 45 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-20 19:46:52,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-09-20 19:46:52,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-09-20 19:46:52,398 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) [2024-09-20 19:46:52,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2024-09-20 19:46:52,398 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 26 [2024-09-20 19:46:52,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:46:52,399 INFO L474 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2024-09-20 19:46:52,399 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) [2024-09-20 19:46:52,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:46:52,399 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-09-20 19:46:52,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-09-20 19:46:52,400 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:46:52,400 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] [2024-09-20 19:46:52,412 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-09-20 19:46:52,600 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 [2024-09-20 19:46:52,601 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:46:52,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:46:52,601 INFO L85 PathProgramCache]: Analyzing trace with hash 301246430, now seen corresponding path program 1 times [2024-09-20 19:46:52,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:46:52,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293199201] [2024-09-20 19:46:52,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:46:52,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:46:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:52,642 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:46:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:52,645 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:46:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:52,701 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:52,727 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:46:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:52,735 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-20 19:46:52,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:46:52,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293199201] [2024-09-20 19:46:52,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293199201] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:46:52,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417354956] [2024-09-20 19:46:52,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:46:52,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:46:52,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:46:52,740 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) [2024-09-20 19:46:52,743 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-20 19:46:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:52,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-20 19:46:52,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:46:52,830 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-20 19:46:52,832 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:46:53,032 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-20 19:46:53,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417354956] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 19:46:53,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 19:46:53,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 11 [2024-09-20 19:46:53,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856296651] [2024-09-20 19:46:53,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 19:46:53,033 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-20 19:46:53,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:46:53,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-20 19:46:53,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-09-20 19:46:53,034 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) [2024-09-20 19:46:53,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:46:53,131 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2024-09-20 19:46:53,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-20 19:46:53,132 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 [2024-09-20 19:46:53,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:46:53,137 INFO L225 Difference]: With dead ends: 41 [2024-09-20 19:46:53,137 INFO L226 Difference]: Without dead ends: 37 [2024-09-20 19:46:53,137 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 [2024-09-20 19:46:53,138 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 [2024-09-20 19:46:53,138 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] [2024-09-20 19:46:53,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-09-20 19:46:53,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-09-20 19:46:53,149 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) [2024-09-20 19:46:53,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2024-09-20 19:46:53,152 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 27 [2024-09-20 19:46:53,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:46:53,153 INFO L474 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2024-09-20 19:46:53,153 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) [2024-09-20 19:46:53,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:46:53,154 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2024-09-20 19:46:53,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-09-20 19:46:53,155 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:46:53,155 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] [2024-09-20 19:46:53,168 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-20 19:46:53,359 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 [2024-09-20 19:46:53,360 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:46:53,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:46:53,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1626117641, now seen corresponding path program 2 times [2024-09-20 19:46:53,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:46:53,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119239733] [2024-09-20 19:46:53,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:46:53,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:46:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:53,398 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:46:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:53,401 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:46:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:53,440 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:53,483 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:53,488 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:46:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:53,496 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:46:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:53,508 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-09-20 19:46:53,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:46:53,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119239733] [2024-09-20 19:46:53,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119239733] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:46:53,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690132069] [2024-09-20 19:46:53,508 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-20 19:46:53,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:46:53,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:46:53,510 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) [2024-09-20 19:46:53,511 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-20 19:46:53,546 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-20 19:46:53,547 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-20 19:46:53,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-20 19:46:53,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:46:53,607 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-09-20 19:46:53,607 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:46:53,895 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-09-20 19:46:53,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690132069] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 19:46:53,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 19:46:53,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 9] total 17 [2024-09-20 19:46:53,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908463008] [2024-09-20 19:46:53,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 19:46:53,896 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-20 19:46:53,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:46:53,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-20 19:46:53,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-09-20 19:46:53,897 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) [2024-09-20 19:46:54,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:46:54,043 INFO L93 Difference]: Finished difference Result 72 states and 109 transitions. [2024-09-20 19:46:54,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-20 19:46:54,044 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 [2024-09-20 19:46:54,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:46:54,045 INFO L225 Difference]: With dead ends: 72 [2024-09-20 19:46:54,045 INFO L226 Difference]: Without dead ends: 41 [2024-09-20 19:46:54,046 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 [2024-09-20 19:46:54,046 INFO L434 NwaCegarLoop]: 18 mSDtfsCounter, 41 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-20 19:46:54,047 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 91 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-20 19:46:54,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-09-20 19:46:54,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-09-20 19:46:54,055 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) [2024-09-20 19:46:54,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2024-09-20 19:46:54,056 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 40 [2024-09-20 19:46:54,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:46:54,057 INFO L474 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2024-09-20 19:46:54,057 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) [2024-09-20 19:46:54,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:46:54,057 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-09-20 19:46:54,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-09-20 19:46:54,059 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:46:54,059 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] [2024-09-20 19:46:54,071 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-20 19:46:54,263 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 [2024-09-20 19:46:54,264 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:46:54,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:46:54,264 INFO L85 PathProgramCache]: Analyzing trace with hash -506127720, now seen corresponding path program 3 times [2024-09-20 19:46:54,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:46:54,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951236479] [2024-09-20 19:46:54,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:46:54,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:46:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:54,348 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:46:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:54,352 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:46:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:54,445 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:54,477 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:54,512 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:54,531 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:46:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:54,535 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:46:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:54,540 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:46:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:54,551 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:54,556 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:54,559 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:46:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:54,561 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:46:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:54,564 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 22 proven. 127 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-09-20 19:46:54,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:46:54,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951236479] [2024-09-20 19:46:54,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951236479] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:46:54,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400550459] [2024-09-20 19:46:54,565 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-20 19:46:54,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:46:54,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:46:54,567 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) [2024-09-20 19:46:54,569 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-20 19:46:54,636 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-09-20 19:46:54,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-20 19:46:54,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-20 19:46:54,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:46:54,680 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 32 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-09-20 19:46:54,681 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:46:54,979 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 41 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-09-20 19:46:54,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400550459] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 19:46:54,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 19:46:54,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 9] total 17 [2024-09-20 19:46:54,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722685587] [2024-09-20 19:46:54,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 19:46:54,980 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-20 19:46:54,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:46:54,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-20 19:46:54,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-09-20 19:46:54,981 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) [2024-09-20 19:46:55,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:46:55,133 INFO L93 Difference]: Finished difference Result 97 states and 143 transitions. [2024-09-20 19:46:55,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-20 19:46:55,134 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 [2024-09-20 19:46:55,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:46:55,136 INFO L225 Difference]: With dead ends: 97 [2024-09-20 19:46:55,136 INFO L226 Difference]: Without dead ends: 93 [2024-09-20 19:46:55,137 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 179 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-09-20 19:46:55,141 INFO L434 NwaCegarLoop]: 21 mSDtfsCounter, 46 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-20 19:46:55,141 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 94 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-20 19:46:55,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-09-20 19:46:55,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2024-09-20 19:46:55,164 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) [2024-09-20 19:46:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2024-09-20 19:46:55,167 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 82 [2024-09-20 19:46:55,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:46:55,169 INFO L474 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2024-09-20 19:46:55,169 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) [2024-09-20 19:46:55,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:46:55,170 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2024-09-20 19:46:55,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-09-20 19:46:55,174 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:46:55,174 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] [2024-09-20 19:46:55,188 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-20 19:46:55,378 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 [2024-09-20 19:46:55,378 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:46:55,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:46:55,379 INFO L85 PathProgramCache]: Analyzing trace with hash 468078537, now seen corresponding path program 4 times [2024-09-20 19:46:55,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:46:55,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453634058] [2024-09-20 19:46:55,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:46:55,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:46:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:55,563 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:46:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:55,565 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:46:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:55,731 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:55,820 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:55,878 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:55,911 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:55,944 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:55,959 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:46:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:55,963 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:46:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:55,968 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:46:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:55,978 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:55,980 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:46:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:55,982 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:46:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:55,993 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:55,997 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:56,000 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:46:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:56,003 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:46:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:56,005 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-20 19:46:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:56,079 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:56,135 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:56,145 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:56,149 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:56,151 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:46:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:56,153 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:46:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:56,156 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:46:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:56,203 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:56,208 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:46:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:56,211 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:46:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:56,219 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:56,221 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:46:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:56,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 393 proven. 617 refuted. 0 times theorem prover too weak. 1231 trivial. 0 not checked. [2024-09-20 19:46:56,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:46:56,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453634058] [2024-09-20 19:46:56,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453634058] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:46:56,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563646085] [2024-09-20 19:46:56,226 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-20 19:46:56,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:46:56,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:46:56,228 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) [2024-09-20 19:46:56,229 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-20 19:46:56,307 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-20 19:46:56,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-20 19:46:56,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-20 19:46:56,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:46:56,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 103 proven. 653 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2024-09-20 19:46:56,391 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:46:57,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 103 proven. 693 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2024-09-20 19:46:57,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563646085] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 19:46:57,506 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 19:46:57,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10, 15] total 29 [2024-09-20 19:46:57,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40133609] [2024-09-20 19:46:57,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 19:46:57,507 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-20 19:46:57,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:46:57,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-20 19:46:57,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-09-20 19:46:57,510 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) [2024-09-20 19:46:57,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:46:57,825 INFO L93 Difference]: Finished difference Result 173 states and 318 transitions. [2024-09-20 19:46:57,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-20 19:46:57,827 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 [2024-09-20 19:46:57,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:46:57,829 INFO L225 Difference]: With dead ends: 173 [2024-09-20 19:46:57,829 INFO L226 Difference]: Without dead ends: 90 [2024-09-20 19:46:57,831 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 454 SyntacticMatches, 6 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 615 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=472, Invalid=1334, Unknown=0, NotChecked=0, Total=1806 [2024-09-20 19:46:57,831 INFO L434 NwaCegarLoop]: 23 mSDtfsCounter, 120 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-20 19:46:57,831 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 145 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-20 19:46:57,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-09-20 19:46:57,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 80. [2024-09-20 19:46:57,845 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) [2024-09-20 19:46:57,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2024-09-20 19:46:57,848 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 204 [2024-09-20 19:46:57,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:46:57,848 INFO L474 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2024-09-20 19:46:57,848 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) [2024-09-20 19:46:57,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:46:57,849 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2024-09-20 19:46:57,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-09-20 19:46:57,853 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:46:57,854 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] [2024-09-20 19:46:57,868 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-20 19:46:58,054 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 [2024-09-20 19:46:58,054 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:46:58,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:46:58,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1027905163, now seen corresponding path program 5 times [2024-09-20 19:46:58,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:46:58,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715342329] [2024-09-20 19:46:58,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:46:58,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:46:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,226 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:46:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,228 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:46:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,406 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,498 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,577 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,623 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,656 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,687 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,700 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:46:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,704 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:46:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,707 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:46:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,714 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,716 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:46:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,717 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:46:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,724 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,727 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,728 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:46:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,729 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:46:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,731 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-20 19:46:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,741 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,745 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,747 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,748 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:46:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,750 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:46:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,751 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:46:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,753 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,755 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:46:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,756 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-20 19:46:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,773 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,779 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,783 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,786 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,787 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:46:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,788 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:46:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,790 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:46:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,792 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,794 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:46:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,795 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:46:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,798 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,801 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:46:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,802 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:46:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,803 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:46:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:46:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 189 proven. 1130 refuted. 0 times theorem prover too weak. 3249 trivial. 0 not checked. [2024-09-20 19:46:58,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:46:58,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715342329] [2024-09-20 19:46:58,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715342329] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:46:58,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439594798] [2024-09-20 19:46:58,807 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-20 19:46:58,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:46:58,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:46:58,808 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) [2024-09-20 19:46:58,809 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-20 19:46:58,928 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 41 check-sat command(s) [2024-09-20 19:46:58,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-20 19:46:58,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-20 19:46:58,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:46:58,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 818 proven. 334 refuted. 0 times theorem prover too weak. 3416 trivial. 0 not checked. [2024-09-20 19:46:58,996 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:47:00,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 826 proven. 366 refuted. 0 times theorem prover too weak. 3376 trivial. 0 not checked. [2024-09-20 19:47:00,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439594798] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 19:47:00,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 19:47:00,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 15] total 25 [2024-09-20 19:47:00,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741909589] [2024-09-20 19:47:00,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 19:47:00,192 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-09-20 19:47:00,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:47:00,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-09-20 19:47:00,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-09-20 19:47:00,195 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) [2024-09-20 19:47:00,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:47:00,361 INFO L93 Difference]: Finished difference Result 250 states and 377 transitions. [2024-09-20 19:47:00,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-20 19:47:00,361 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 [2024-09-20 19:47:00,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:47:00,383 INFO L225 Difference]: With dead ends: 250 [2024-09-20 19:47:00,387 INFO L226 Difference]: Without dead ends: 246 [2024-09-20 19:47:00,388 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 [2024-09-20 19:47:00,389 INFO L434 NwaCegarLoop]: 21 mSDtfsCounter, 70 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-20 19:47:00,389 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 114 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-20 19:47:00,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-09-20 19:47:00,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 231. [2024-09-20 19:47:00,421 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) [2024-09-20 19:47:00,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 349 transitions. [2024-09-20 19:47:00,424 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 349 transitions. Word has length 286 [2024-09-20 19:47:00,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:47:00,424 INFO L474 AbstractCegarLoop]: Abstraction has 231 states and 349 transitions. [2024-09-20 19:47:00,424 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) [2024-09-20 19:47:00,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:47:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 349 transitions. [2024-09-20 19:47:00,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2024-09-20 19:47:00,430 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:47:00,430 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] [2024-09-20 19:47:00,445 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-20 19:47:00,634 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 [2024-09-20 19:47:00,635 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:47:00,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:47:00,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1694340825, now seen corresponding path program 6 times [2024-09-20 19:47:00,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:47:00,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863536580] [2024-09-20 19:47:00,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:47:00,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:47:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,049 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:47:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,051 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:47:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,464 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,615 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,699 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,754 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,802 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,832 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,858 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,873 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,876 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,879 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,884 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,886 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,887 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,894 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,897 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,898 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,899 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,903 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-20 19:47:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,911 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,914 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,916 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,918 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,918 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,919 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,921 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,922 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,924 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-20 19:47:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,938 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,944 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,947 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,949 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,950 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,951 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,952 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,955 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,956 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,957 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,959 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,961 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,962 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,963 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:01,965 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-20 19:47:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,100 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,191 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,249 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,275 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,279 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,281 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,283 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,284 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,285 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,330 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,332 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,335 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,341 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,343 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,344 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,345 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,346 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-20 19:47:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,356 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,360 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,362 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,363 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,368 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,371 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,372 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,374 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-20 19:47:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,401 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,417 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,430 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,436 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,439 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,441 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,447 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,448 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:02,454 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 2818 proven. 2810 refuted. 0 times theorem prover too weak. 10779 trivial. 0 not checked. [2024-09-20 19:47:02,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:47:02,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863536580] [2024-09-20 19:47:02,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863536580] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:47:02,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683141569] [2024-09-20 19:47:02,454 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-20 19:47:02,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:47:02,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:47:02,458 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) [2024-09-20 19:47:02,459 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-20 19:47:02,578 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2024-09-20 19:47:02,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-20 19:47:02,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-20 19:47:02,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:47:02,664 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 533 proven. 2177 refuted. 0 times theorem prover too weak. 13697 trivial. 0 not checked. [2024-09-20 19:47:02,664 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:47:04,656 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 537 proven. 2230 refuted. 0 times theorem prover too weak. 13640 trivial. 0 not checked. [2024-09-20 19:47:04,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683141569] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 19:47:04,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 19:47:04,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 11, 17] total 36 [2024-09-20 19:47:04,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551099950] [2024-09-20 19:47:04,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 19:47:04,660 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-20 19:47:04,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:47:04,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-20 19:47:04,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=953, Unknown=0, NotChecked=0, Total=1260 [2024-09-20 19:47:04,663 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) [2024-09-20 19:47:05,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:47:05,124 INFO L93 Difference]: Finished difference Result 365 states and 660 transitions. [2024-09-20 19:47:05,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-20 19:47:05,124 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 [2024-09-20 19:47:05,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:47:05,127 INFO L225 Difference]: With dead ends: 365 [2024-09-20 19:47:05,127 INFO L226 Difference]: Without dead ends: 148 [2024-09-20 19:47:05,130 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1275 GetRequests, 1210 SyntacticMatches, 8 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1177 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=831, Invalid=2591, Unknown=0, NotChecked=0, Total=3422 [2024-09-20 19:47:05,130 INFO L434 NwaCegarLoop]: 33 mSDtfsCounter, 190 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-09-20 19:47:05,131 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] [2024-09-20 19:47:05,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-09-20 19:47:05,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 119. [2024-09-20 19:47:05,150 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) [2024-09-20 19:47:05,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 170 transitions. [2024-09-20 19:47:05,151 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 170 transitions. Word has length 531 [2024-09-20 19:47:05,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:47:05,151 INFO L474 AbstractCegarLoop]: Abstraction has 119 states and 170 transitions. [2024-09-20 19:47:05,152 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) [2024-09-20 19:47:05,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:47:05,152 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 170 transitions. [2024-09-20 19:47:05,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2024-09-20 19:47:05,172 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:47:05,172 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] [2024-09-20 19:47:05,185 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-20 19:47:05,372 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 [2024-09-20 19:47:05,373 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:47:05,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:47:05,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1852929859, now seen corresponding path program 7 times [2024-09-20 19:47:05,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:47:05,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251848184] [2024-09-20 19:47:05,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:47:05,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:47:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:06,139 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:47:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:06,142 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:47:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:06,841 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,052 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,177 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,246 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,292 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,327 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,356 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,382 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,395 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,397 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,399 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,402 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,406 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,407 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,412 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,416 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,417 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,418 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,419 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-20 19:47:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,427 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,430 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,432 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,433 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,434 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,436 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,438 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,439 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,440 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-20 19:47:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,455 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,459 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,462 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,465 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,466 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,468 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,469 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,472 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,473 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,474 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,477 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,480 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,482 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,483 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,485 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-20 19:47:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,509 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,517 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,522 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,526 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,528 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,530 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,532 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:07,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,533 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,535 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,536 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,538 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,541 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,545 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,547 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,549 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,551 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-20 19:47:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,556 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,560 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,563 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,564 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,565 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,568 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,571 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,575 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,577 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-20 19:47:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,808 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,923 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:07,998 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,069 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,103 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,109 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,114 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,115 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,117 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,169 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,172 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,175 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,182 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,185 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,187 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,188 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,190 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-20 19:47:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,202 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,206 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,208 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,210 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,211 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,212 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,215 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,216 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,218 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-20 19:47:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,237 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,244 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,248 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,251 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,253 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,254 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,256 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,259 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,261 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,262 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,267 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,270 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,272 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,273 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,275 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-20 19:47:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,325 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,350 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,366 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,376 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,381 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,384 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,386 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,393 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,395 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,396 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,401 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,404 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,405 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,406 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,409 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 5753 proven. 5825 refuted. 0 times theorem prover too weak. 32036 trivial. 0 not checked. [2024-09-20 19:47:08,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:47:08,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251848184] [2024-09-20 19:47:08,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251848184] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:47:08,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867878558] [2024-09-20 19:47:08,411 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-20 19:47:08,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:47:08,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:47:08,415 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) [2024-09-20 19:47:08,417 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-20 19:47:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:08,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 1924 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-09-20 19:47:08,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:47:08,822 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 3794 proven. 2058 refuted. 0 times theorem prover too weak. 37762 trivial. 0 not checked. [2024-09-20 19:47:08,822 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:47:12,199 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 3794 proven. 2150 refuted. 0 times theorem prover too weak. 37670 trivial. 0 not checked. [2024-09-20 19:47:12,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867878558] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 19:47:12,200 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 19:47:12,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 13, 21] total 45 [2024-09-20 19:47:12,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494621416] [2024-09-20 19:47:12,200 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 19:47:12,201 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-09-20 19:47:12,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:47:12,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-09-20 19:47:12,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=1545, Unknown=0, NotChecked=0, Total=1980 [2024-09-20 19:47:12,203 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) [2024-09-20 19:47:12,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:47:12,898 INFO L93 Difference]: Finished difference Result 292 states and 611 transitions. [2024-09-20 19:47:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-20 19:47:12,898 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 [2024-09-20 19:47:12,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:47:12,901 INFO L225 Difference]: With dead ends: 292 [2024-09-20 19:47:12,901 INFO L226 Difference]: Without dead ends: 163 [2024-09-20 19:47:12,903 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2040 GetRequests, 1955 SyntacticMatches, 10 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2124 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1252, Invalid=4600, Unknown=0, NotChecked=0, Total=5852 [2024-09-20 19:47:12,904 INFO L434 NwaCegarLoop]: 49 mSDtfsCounter, 237 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-09-20 19:47:12,904 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 358 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-20 19:47:12,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-09-20 19:47:12,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 139. [2024-09-20 19:47:12,913 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) [2024-09-20 19:47:12,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2024-09-20 19:47:12,914 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 858 [2024-09-20 19:47:12,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:47:12,915 INFO L474 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2024-09-20 19:47:12,915 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) [2024-09-20 19:47:12,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:47:12,916 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2024-09-20 19:47:12,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2024-09-20 19:47:12,918 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:47:12,918 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] [2024-09-20 19:47:12,933 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-20 19:47:13,119 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 [2024-09-20 19:47:13,119 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:47:13,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:47:13,120 INFO L85 PathProgramCache]: Analyzing trace with hash -2072743553, now seen corresponding path program 8 times [2024-09-20 19:47:13,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:47:13,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166537671] [2024-09-20 19:47:13,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:47:13,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:47:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:19,229 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:47:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:19,232 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:47:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:21,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:22,945 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,323 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,483 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,587 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,674 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,732 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,777 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,781 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,802 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,807 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,823 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,828 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,832 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,847 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,856 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,861 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,867 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,872 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-20 19:47:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,903 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,916 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,927 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,930 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,934 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,938 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,952 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:23,956 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-20 19:47:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,013 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,039 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,052 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,061 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,065 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,068 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,072 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,081 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,085 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,091 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,108 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,118 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,122 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,128 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,132 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-20 19:47:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,278 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,336 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,362 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,376 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,385 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,389 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,393 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,397 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,409 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,413 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,416 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,431 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,440 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,445 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,450 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,454 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-20 19:47:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,484 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,497 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,506 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,510 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,514 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,518 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,527 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,531 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:24,535 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-20 19:47:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,022 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,184 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,241 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,267 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,279 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,287 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,290 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,295 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,299 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,308 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,311 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,316 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,334 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,346 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,353 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,356 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,360 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-20 19:47:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,387 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,399 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,407 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,411 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,414 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,417 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,428 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,432 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,435 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-20 19:47:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,493 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,518 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,531 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,539 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,543 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,546 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,550 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,559 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,562 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,565 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,578 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,591 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,595 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,599 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:25,604 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-20 19:47:25,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:47:25,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166537671] [2024-09-20 19:47:25,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166537671] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:47:25,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866710799] [2024-09-20 19:47:25,605 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-20 19:47:25,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:47:25,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:47:25,606 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) [2024-09-20 19:47:25,607 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-20 19:47:25,825 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-20 19:47:25,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-20 19:47:25,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 1682 conjuncts, 439 conjuncts are in the unsatisfiable core [2024-09-20 19:47:25,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:47:26,356 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-20 19:47:26,356 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:47:29,231 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-20 19:47:29,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866710799] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 19:47:29,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 19:47:29,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 36 [2024-09-20 19:47:29,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030004852] [2024-09-20 19:47:29,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 19:47:29,233 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-20 19:47:29,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:47:29,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-20 19:47:29,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2024-09-20 19:47:29,234 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) [2024-09-20 19:47:29,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:47:29,509 INFO L93 Difference]: Finished difference Result 152 states and 204 transitions. [2024-09-20 19:47:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-20 19:47:29,512 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 [2024-09-20 19:47:29,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:47:29,516 INFO L225 Difference]: With dead ends: 152 [2024-09-20 19:47:29,517 INFO L226 Difference]: Without dead ends: 148 [2024-09-20 19:47:29,517 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1938 GetRequests, 1904 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2024-09-20 19:47:29,518 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 [2024-09-20 19:47:29,518 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] [2024-09-20 19:47:29,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-09-20 19:47:29,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 147. [2024-09-20 19:47:29,531 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) [2024-09-20 19:47:29,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 196 transitions. [2024-09-20 19:47:29,532 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 196 transitions. Word has length 749 [2024-09-20 19:47:29,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:47:29,534 INFO L474 AbstractCegarLoop]: Abstraction has 147 states and 196 transitions. [2024-09-20 19:47:29,534 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) [2024-09-20 19:47:29,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:47:29,535 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2024-09-20 19:47:29,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 927 [2024-09-20 19:47:29,539 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 19:47:29,539 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] [2024-09-20 19:47:29,553 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-09-20 19:47:29,739 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 [2024-09-20 19:47:29,740 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 19:47:29,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:47:29,740 INFO L85 PathProgramCache]: Analyzing trace with hash -562081978, now seen corresponding path program 9 times [2024-09-20 19:47:29,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 19:47:29,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027617684] [2024-09-20 19:47:29,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 19:47:29,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 19:47:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:30,444 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 19:47:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:30,445 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-20 19:47:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,079 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,451 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,644 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,746 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,807 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,851 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,874 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,878 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,880 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,881 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,881 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,882 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,916 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,918 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,919 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,923 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,925 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,926 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,926 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,927 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-20 19:47:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,934 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,936 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,937 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,938 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,939 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,939 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,940 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,941 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,942 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-20 19:47:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,958 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,961 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,963 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,963 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,964 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,965 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,966 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,967 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,968 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,970 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,972 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,973 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,974 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,975 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-20 19:47:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:31,995 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,002 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,006 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,008 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,010 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,011 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,012 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,012 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,014 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,015 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,016 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,019 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,021 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,022 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,023 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,024 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-20 19:47:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,028 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,031 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,034 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,035 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,036 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,037 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,039 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,040 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,041 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-20 19:47:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,120 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,163 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,196 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,222 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,245 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,255 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,257 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,259 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,262 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,263 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,264 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,269 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,271 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,272 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,273 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,274 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-20 19:47:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,282 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,285 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,287 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,288 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,289 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,290 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,292 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,293 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,294 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2024-09-20 19:47:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,320 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,332 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,340 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,345 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,348 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,350 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,351 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,352 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,353 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,355 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,356 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,356 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,359 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,362 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,363 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-20 19:47:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,370 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,373 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,375 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,376 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,377 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,378 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,380 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,381 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,382 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-20 19:47:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,390 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,395 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,399 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,401 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,402 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,403 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,404 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-20 19:47:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,407 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,408 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,408 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-20 19:47:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,411 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,414 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-20 19:47:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,415 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-20 19:47:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,416 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 19:47:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 19:47:32,418 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3313 proven. 5871 refuted. 0 times theorem prover too weak. 41726 trivial. 0 not checked. [2024-09-20 19:47:32,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 19:47:32,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027617684] [2024-09-20 19:47:32,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027617684] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 19:47:32,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416204522] [2024-09-20 19:47:32,418 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-20 19:47:32,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 19:47:32,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 19:47:32,420 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) [2024-09-20 19:47:32,421 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-20 19:47:32,598 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 36 check-sat command(s) [2024-09-20 19:47:32,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-20 19:47:32,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-09-20 19:47:32,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 19:47:32,723 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1209 proven. 5377 refuted. 0 times theorem prover too weak. 44324 trivial. 0 not checked. [2024-09-20 19:47:32,723 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 19:47:36,432 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1201 proven. 5477 refuted. 0 times theorem prover too weak. 44232 trivial. 0 not checked. [2024-09-20 19:47:36,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416204522] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 19:47:36,433 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 19:47:36,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 14, 22] total 43 [2024-09-20 19:47:36,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252190790] [2024-09-20 19:47:36,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 19:47:36,434 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-09-20 19:47:36,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 19:47:36,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-09-20 19:47:36,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=415, Invalid=1391, Unknown=0, NotChecked=0, Total=1806 [2024-09-20 19:47:36,435 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) [2024-09-20 19:47:36,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 19:47:36,825 INFO L93 Difference]: Finished difference Result 290 states and 403 transitions. [2024-09-20 19:47:36,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-20 19:47:36,826 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 [2024-09-20 19:47:36,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 19:47:36,828 INFO L225 Difference]: With dead ends: 290 [2024-09-20 19:47:36,828 INFO L226 Difference]: Without dead ends: 0 [2024-09-20 19:47:36,832 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2166 GetRequests, 2101 SyntacticMatches, 10 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1258 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=757, Invalid=2435, Unknown=0, NotChecked=0, Total=3192 [2024-09-20 19:47:36,833 INFO L434 NwaCegarLoop]: 49 mSDtfsCounter, 122 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-09-20 19:47:36,833 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] [2024-09-20 19:47:36,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-09-20 19:47:36,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-09-20 19:47:36,834 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) [2024-09-20 19:47:36,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-09-20 19:47:36,834 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 926 [2024-09-20 19:47:36,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 19:47:36,834 INFO L474 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-09-20 19:47:36,834 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) [2024-09-20 19:47:36,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 19:47:36,835 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-09-20 19:47:36,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-09-20 19:47:36,837 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-09-20 19:47:36,851 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-09-20 19:47:37,038 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 [2024-09-20 19:47:37,041 INFO L408 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1] [2024-09-20 19:47:37,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-09-20 19:47:40,143 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-20 19:47:40,162 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-09-20 19:47:40,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 07:47:40 BoogieIcfgContainer [2024-09-20 19:47:40,164 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-20 19:47:40,165 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-09-20 19:47:40,165 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-09-20 19:47:40,165 INFO L274 PluginConnector]: Witness Printer initialized [2024-09-20 19:47:40,165 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:46:51" (3/4) ... [2024-09-20 19:47:40,167 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-09-20 19:47:40,215 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.yml [2024-09-20 19:47:40,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-09-20 19:47:40,216 INFO L158 Benchmark]: Toolchain (without parser) took 49520.28ms. Allocated memory was 167.8MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 98.6MB in the beginning and 1.0GB in the end (delta: -914.1MB). Peak memory consumption was 512.3MB. Max. memory is 16.1GB. [2024-09-20 19:47:40,216 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 19:47:40,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.35ms. Allocated memory is still 167.8MB. Free memory was 98.6MB in the beginning and 87.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-20 19:47:40,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 15.90ms. Allocated memory is still 167.8MB. Free memory was 87.4MB in the beginning and 86.5MB in the end (delta: 913.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 19:47:40,217 INFO L158 Benchmark]: Boogie Preprocessor took 23.27ms. Allocated memory is still 167.8MB. Free memory was 86.5MB in the beginning and 85.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 19:47:40,217 INFO L158 Benchmark]: RCFGBuilder took 255.57ms. Allocated memory is still 167.8MB. Free memory was 85.0MB in the beginning and 73.4MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-20 19:47:40,217 INFO L158 Benchmark]: TraceAbstraction took 48980.25ms. Allocated memory was 167.8MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 72.7MB in the beginning and 1.0GB in the end (delta: -942.1MB). Peak memory consumption was 900.3MB. Max. memory is 16.1GB. [2024-09-20 19:47:40,218 INFO L158 Benchmark]: Witness Printer took 50.55ms. Allocated memory is still 1.6GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 19:47:40,221 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 187.35ms. Allocated memory is still 167.8MB. Free memory was 98.6MB in the beginning and 87.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 15.90ms. Allocated memory is still 167.8MB. Free memory was 87.4MB in the beginning and 86.5MB in the end (delta: 913.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.27ms. Allocated memory is still 167.8MB. Free memory was 86.5MB in the beginning and 85.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 255.57ms. Allocated memory is still 167.8MB. Free memory was 85.0MB in the beginning and 73.4MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 48980.25ms. Allocated memory was 167.8MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 72.7MB in the beginning and 1.0GB in the end (delta: -942.1MB). Peak memory consumption was 900.3MB. Max. memory is 16.1GB. * Witness Printer took 50.55ms. Allocated memory is still 1.6GB. Free memory was 1.0GB in the beginning and 1.0GB 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: 45.8s, OverallIterations: 12, TraceHistogramMax: 135, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 940 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 887 mSDsluCounter, 2711 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2380 mSDsCounter, 836 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3873 IncrementalHoareTripleChecker+Invalid, 4709 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 836 mSolverCounterUnsat, 331 mSDtfsCounter, 3873 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, 2.9s 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: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 38.7s 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 < \old(n))) RESULT: Ultimate proved your program to be correct! [2024-09-20 19:47:40,243 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE