./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 de325976 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-de32597-m [2024-09-18 16:37:05,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-18 16:37:05,525 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-18 16:37:05,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-18 16:37:05,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-18 16:37:05,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-18 16:37:05,560 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-18 16:37:05,560 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-18 16:37:05,561 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-18 16:37:05,562 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-18 16:37:05,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-18 16:37:05,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-18 16:37:05,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-18 16:37:05,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-18 16:37:05,567 INFO L153 SettingsManager]: * Use SBE=true [2024-09-18 16:37:05,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-18 16:37:05,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-18 16:37:05,568 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-18 16:37:05,568 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-18 16:37:05,569 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-18 16:37:05,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-18 16:37:05,569 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-18 16:37:05,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-18 16:37:05,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-18 16:37:05,570 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-18 16:37:05,570 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-18 16:37:05,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-18 16:37:05,571 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-18 16:37:05,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-18 16:37:05,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-18 16:37:05,572 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-18 16:37:05,572 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-18 16:37:05,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-18 16:37:05,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-18 16:37:05,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-18 16:37:05,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-18 16:37:05,573 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-18 16:37:05,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-18 16:37:05,574 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-18 16:37:05,574 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-18 16:37:05,575 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-18 16:37:05,575 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-18 16:37:05,575 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Generate GraphML witnesses -> false [2024-09-18 16:37:05,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-18 16:37:05,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-18 16:37:05,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-18 16:37:05,857 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-18 16:37:05,858 INFO L274 PluginConnector]: CDTParser initialized [2024-09-18 16:37:05,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/recursive/Fibonacci02.c [2024-09-18 16:37:07,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-18 16:37:07,540 INFO L384 CDTParser]: Found 1 translation units. [2024-09-18 16:37:07,540 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/Fibonacci02.c [2024-09-18 16:37:07,547 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/7f359ca24/d0aaf01d30d14eb0a50dd9d154cfed7d/FLAG24312fdd4 [2024-09-18 16:37:07,561 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/7f359ca24/d0aaf01d30d14eb0a50dd9d154cfed7d [2024-09-18 16:37:07,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-18 16:37:07,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-18 16:37:07,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-18 16:37:07,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-18 16:37:07,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-18 16:37:07,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:37:07" (1/1) ... [2024-09-18 16:37:07,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ac8e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:37:07, skipping insertion in model container [2024-09-18 16:37:07,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:37:07" (1/1) ... [2024-09-18 16:37:07,593 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-18 16:37:07,774 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] [2024-09-18 16:37:07,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-18 16:37:07,794 INFO L200 MainTranslator]: Completed pre-run [2024-09-18 16:37:07,808 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] [2024-09-18 16:37:07,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-18 16:37:07,827 INFO L204 MainTranslator]: Completed translation [2024-09-18 16:37:07,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:37:07 WrapperNode [2024-09-18 16:37:07,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-18 16:37:07,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-18 16:37:07,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-18 16:37:07,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-18 16:37:07,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:37:07" (1/1) ... [2024-09-18 16:37:07,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:37:07" (1/1) ... [2024-09-18 16:37:07,850 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-18 16:37:07,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-18 16:37:07,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-18 16:37:07,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-18 16:37:07,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-18 16:37:07,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:37:07" (1/1) ... [2024-09-18 16:37:07,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:37:07" (1/1) ... [2024-09-18 16:37:07,863 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:37:07" (1/1) ... [2024-09-18 16:37:07,879 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]. [2024-09-18 16:37:07,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:37:07" (1/1) ... [2024-09-18 16:37:07,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:37:07" (1/1) ... [2024-09-18 16:37:07,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:37:07" (1/1) ... [2024-09-18 16:37:07,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:37:07" (1/1) ... [2024-09-18 16:37:07,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:37:07" (1/1) ... [2024-09-18 16:37:07,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:37:07" (1/1) ... [2024-09-18 16:37:07,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-18 16:37:07,892 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-18 16:37:07,892 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-18 16:37:07,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-18 16:37:07,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:37:07" (1/1) ... [2024-09-18 16:37:07,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-18 16:37:07,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-18 16:37:07,930 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) [2024-09-18 16:37:07,937 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 [2024-09-18 16:37:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2024-09-18 16:37:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2024-09-18 16:37:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-18 16:37:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-18 16:37:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-18 16:37:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-18 16:37:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-18 16:37:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-18 16:37:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-18 16:37:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-18 16:37:08,053 INFO L242 CfgBuilder]: Building ICFG [2024-09-18 16:37:08,056 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-18 16:37:08,180 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-09-18 16:37:08,181 INFO L291 CfgBuilder]: Performing block encoding [2024-09-18 16:37:08,209 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-18 16:37:08,210 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-18 16:37:08,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:37:08 BoogieIcfgContainer [2024-09-18 16:37:08,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-18 16:37:08,213 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-18 16:37:08,214 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-18 16:37:08,218 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-18 16:37:08,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 04:37:07" (1/3) ... [2024-09-18 16:37:08,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d26ea8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 04:37:08, skipping insertion in model container [2024-09-18 16:37:08,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:37:07" (2/3) ... [2024-09-18 16:37:08,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d26ea8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 04:37:08, skipping insertion in model container [2024-09-18 16:37:08,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:37:08" (3/3) ... [2024-09-18 16:37:08,224 INFO L112 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2024-09-18 16:37:08,243 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-18 16:37:08,243 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-18 16:37:08,296 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-18 16:37:08,304 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;@7b508b27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-18 16:37:08,305 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-18 16:37:08,310 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) [2024-09-18 16:37:08,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-09-18 16:37:08,322 INFO L208 NwaCegarLoop]: Found error trace [2024-09-18 16:37:08,322 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-18 16:37:08,323 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-18 16:37:08,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:08,330 INFO L85 PathProgramCache]: Analyzing trace with hash -351828897, now seen corresponding path program 1 times [2024-09-18 16:37:08,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-18 16:37:08,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162726189] [2024-09-18 16:37:08,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-18 16:37:08,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-18 16:37:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:08,604 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-18 16:37:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:08,617 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-18 16:37:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:08,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-18 16:37:08,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-18 16:37:08,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162726189] [2024-09-18 16:37:08,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162726189] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-18 16:37:08,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-18 16:37:08,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-18 16:37:08,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907507518] [2024-09-18 16:37:08,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-18 16:37:08,693 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-18 16:37:08,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-18 16:37:08,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-18 16:37:08,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-18 16:37:08,714 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) [2024-09-18 16:37:08,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-18 16:37:08,809 INFO L93 Difference]: Finished difference Result 35 states and 43 transitions. [2024-09-18 16:37:08,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-18 16:37:08,814 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 [2024-09-18 16:37:08,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-18 16:37:08,823 INFO L225 Difference]: With dead ends: 35 [2024-09-18 16:37:08,823 INFO L226 Difference]: Without dead ends: 23 [2024-09-18 16:37:08,826 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 [2024-09-18 16:37:08,830 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, 0.1s IncrementalHoareTripleChecker+Time [2024-09-18 16:37:08,833 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 60 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-18 16:37:08,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-09-18 16:37:08,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-09-18 16:37:08,877 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) [2024-09-18 16:37:08,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-09-18 16:37:08,880 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2024-09-18 16:37:08,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-18 16:37:08,881 INFO L474 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-09-18 16:37:08,881 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) [2024-09-18 16:37:08,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:08,882 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-09-18 16:37:08,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-09-18 16:37:08,883 INFO L208 NwaCegarLoop]: Found error trace [2024-09-18 16:37:08,884 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-18 16:37:08,884 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-18 16:37:08,884 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-18 16:37:08,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:08,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1624511627, now seen corresponding path program 1 times [2024-09-18 16:37:08,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-18 16:37:08,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984587400] [2024-09-18 16:37:08,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-18 16:37:08,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-18 16:37:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:08,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-18 16:37:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:08,956 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-18 16:37:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:09,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-18 16:37:09,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-18 16:37:09,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984587400] [2024-09-18 16:37:09,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984587400] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-18 16:37:09,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-18 16:37:09,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-18 16:37:09,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849731269] [2024-09-18 16:37:09,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-18 16:37:09,004 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-18 16:37:09,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-18 16:37:09,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-18 16:37:09,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-18 16:37:09,005 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) [2024-09-18 16:37:09,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-18 16:37:09,078 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-09-18 16:37:09,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-18 16:37:09,078 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 [2024-09-18 16:37:09,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-18 16:37:09,080 INFO L225 Difference]: With dead ends: 27 [2024-09-18 16:37:09,081 INFO L226 Difference]: Without dead ends: 23 [2024-09-18 16:37:09,081 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 [2024-09-18 16:37:09,082 INFO L434 NwaCegarLoop]: 15 mSDtfsCounter, 7 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-18 16:37:09,083 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 42 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-18 16:37:09,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-09-18 16:37:09,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-09-18 16:37:09,093 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) [2024-09-18 16:37:09,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-09-18 16:37:09,094 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2024-09-18 16:37:09,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-18 16:37:09,095 INFO L474 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-09-18 16:37:09,095 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) [2024-09-18 16:37:09,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:09,097 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-09-18 16:37:09,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-09-18 16:37:09,098 INFO L208 NwaCegarLoop]: Found error trace [2024-09-18 16:37:09,098 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] [2024-09-18 16:37:09,099 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-18 16:37:09,099 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-18 16:37:09,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:09,100 INFO L85 PathProgramCache]: Analyzing trace with hash -401354712, now seen corresponding path program 1 times [2024-09-18 16:37:09,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-18 16:37:09,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089318738] [2024-09-18 16:37:09,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-18 16:37:09,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-18 16:37:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:09,215 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-18 16:37:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:09,223 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-18 16:37:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:09,311 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:09,372 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-09-18 16:37:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:09,381 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-18 16:37:09,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-18 16:37:09,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089318738] [2024-09-18 16:37:09,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089318738] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-18 16:37:09,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483667891] [2024-09-18 16:37:09,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-18 16:37:09,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-18 16:37:09,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-18 16:37:09,389 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) [2024-09-18 16:37:09,392 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-18 16:37:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:09,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-18 16:37:09,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-18 16:37:09,541 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-18 16:37:09,542 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-18 16:37:09,755 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-18 16:37:09,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483667891] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-18 16:37:09,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-18 16:37:09,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 12 [2024-09-18 16:37:09,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005065291] [2024-09-18 16:37:09,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-18 16:37:09,757 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-18 16:37:09,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-18 16:37:09,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-18 16:37:09,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-09-18 16:37:09,761 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) [2024-09-18 16:37:09,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-18 16:37:09,858 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2024-09-18 16:37:09,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-18 16:37:09,858 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 [2024-09-18 16:37:09,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-18 16:37:09,860 INFO L225 Difference]: With dead ends: 38 [2024-09-18 16:37:09,860 INFO L226 Difference]: Without dead ends: 23 [2024-09-18 16:37:09,861 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 [2024-09-18 16:37:09,864 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, 0.1s IncrementalHoareTripleChecker+Time [2024-09-18 16:37:09,864 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 45 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-18 16:37:09,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-09-18 16:37:09,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-09-18 16:37:09,871 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) [2024-09-18 16:37:09,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2024-09-18 16:37:09,872 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 26 [2024-09-18 16:37:09,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-18 16:37:09,873 INFO L474 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2024-09-18 16:37:09,873 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) [2024-09-18 16:37:09,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:09,873 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-09-18 16:37:09,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-09-18 16:37:09,875 INFO L208 NwaCegarLoop]: Found error trace [2024-09-18 16:37:09,876 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] [2024-09-18 16:37:09,889 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-09-18 16:37:10,076 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 [2024-09-18 16:37:10,077 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-18 16:37:10,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:10,077 INFO L85 PathProgramCache]: Analyzing trace with hash 301246430, now seen corresponding path program 1 times [2024-09-18 16:37:10,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-18 16:37:10,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862064014] [2024-09-18 16:37:10,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-18 16:37:10,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-18 16:37:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:10,115 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-18 16:37:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:10,119 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-18 16:37:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:10,189 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:10,215 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-18 16:37:10,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-18 16:37:10,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862064014] [2024-09-18 16:37:10,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862064014] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-18 16:37:10,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715625545] [2024-09-18 16:37:10,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-18 16:37:10,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-18 16:37:10,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-18 16:37:10,230 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) [2024-09-18 16:37:10,232 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-18 16:37:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:10,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-18 16:37:10,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-18 16:37:10,330 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-18 16:37:10,332 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-18 16:37:10,539 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-18 16:37:10,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715625545] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-18 16:37:10,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-18 16:37:10,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 11 [2024-09-18 16:37:10,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074793648] [2024-09-18 16:37:10,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-18 16:37:10,540 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-18 16:37:10,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-18 16:37:10,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-18 16:37:10,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-09-18 16:37:10,542 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) [2024-09-18 16:37:10,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-18 16:37:10,672 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2024-09-18 16:37:10,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-18 16:37:10,673 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 [2024-09-18 16:37:10,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-18 16:37:10,675 INFO L225 Difference]: With dead ends: 41 [2024-09-18 16:37:10,675 INFO L226 Difference]: Without dead ends: 37 [2024-09-18 16:37:10,675 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 [2024-09-18 16:37:10,678 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 [2024-09-18 16:37:10,680 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] [2024-09-18 16:37:10,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-09-18 16:37:10,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-09-18 16:37:10,693 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) [2024-09-18 16:37:10,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2024-09-18 16:37:10,695 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 27 [2024-09-18 16:37:10,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-18 16:37:10,695 INFO L474 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2024-09-18 16:37:10,695 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) [2024-09-18 16:37:10,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:10,696 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2024-09-18 16:37:10,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-09-18 16:37:10,698 INFO L208 NwaCegarLoop]: Found error trace [2024-09-18 16:37:10,698 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] [2024-09-18 16:37:10,716 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-18 16:37:10,898 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 [2024-09-18 16:37:10,899 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-18 16:37:10,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:10,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1626117641, now seen corresponding path program 2 times [2024-09-18 16:37:10,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-18 16:37:10,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436870415] [2024-09-18 16:37:10,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-18 16:37:10,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-18 16:37:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:10,955 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-18 16:37:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:10,959 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-18 16:37:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:11,017 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:11,072 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:11,077 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:11,086 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:11,111 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-09-18 16:37:11,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-18 16:37:11,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436870415] [2024-09-18 16:37:11,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436870415] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-18 16:37:11,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914294635] [2024-09-18 16:37:11,112 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-18 16:37:11,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-18 16:37:11,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-18 16:37:11,115 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) [2024-09-18 16:37:11,117 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-18 16:37:11,161 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-18 16:37:11,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-18 16:37:11,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-18 16:37:11,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-18 16:37:11,259 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-09-18 16:37:11,260 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-18 16:37:11,621 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-09-18 16:37:11,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914294635] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-18 16:37:11,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-18 16:37:11,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 9] total 17 [2024-09-18 16:37:11,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023398777] [2024-09-18 16:37:11,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-18 16:37:11,623 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-18 16:37:11,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-18 16:37:11,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-18 16:37:11,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-09-18 16:37:11,624 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) [2024-09-18 16:37:11,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-18 16:37:11,797 INFO L93 Difference]: Finished difference Result 72 states and 109 transitions. [2024-09-18 16:37:11,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-18 16:37:11,797 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 [2024-09-18 16:37:11,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-18 16:37:11,798 INFO L225 Difference]: With dead ends: 72 [2024-09-18 16:37:11,799 INFO L226 Difference]: Without dead ends: 41 [2024-09-18 16:37:11,799 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 [2024-09-18 16:37:11,800 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 [2024-09-18 16:37:11,801 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] [2024-09-18 16:37:11,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-09-18 16:37:11,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-09-18 16:37:11,810 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) [2024-09-18 16:37:11,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2024-09-18 16:37:11,811 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 40 [2024-09-18 16:37:11,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-18 16:37:11,812 INFO L474 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2024-09-18 16:37:11,812 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) [2024-09-18 16:37:11,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:11,812 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-09-18 16:37:11,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-09-18 16:37:11,814 INFO L208 NwaCegarLoop]: Found error trace [2024-09-18 16:37:11,814 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] [2024-09-18 16:37:11,830 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-18 16:37:12,018 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 [2024-09-18 16:37:12,019 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-18 16:37:12,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:12,019 INFO L85 PathProgramCache]: Analyzing trace with hash -506127720, now seen corresponding path program 3 times [2024-09-18 16:37:12,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-18 16:37:12,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394657739] [2024-09-18 16:37:12,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-18 16:37:12,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-18 16:37:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:12,116 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-18 16:37:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:12,119 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-18 16:37:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:12,220 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:12,270 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:12,314 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:12,337 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:12,342 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:12,347 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:12,360 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:12,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:12,366 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:12,368 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:12,371 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 22 proven. 127 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-09-18 16:37:12,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-18 16:37:12,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394657739] [2024-09-18 16:37:12,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394657739] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-18 16:37:12,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652478842] [2024-09-18 16:37:12,371 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-18 16:37:12,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-18 16:37:12,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-18 16:37:12,373 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) [2024-09-18 16:37:12,375 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-18 16:37:12,449 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-09-18 16:37:12,450 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-18 16:37:12,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-18 16:37:12,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-18 16:37:12,507 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 32 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-09-18 16:37:12,508 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-18 16:37:12,867 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 41 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-09-18 16:37:12,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652478842] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-18 16:37:12,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-18 16:37:12,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 9] total 17 [2024-09-18 16:37:12,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791925320] [2024-09-18 16:37:12,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-18 16:37:12,869 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-18 16:37:12,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-18 16:37:12,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-18 16:37:12,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-09-18 16:37:12,870 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) [2024-09-18 16:37:13,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-18 16:37:13,067 INFO L93 Difference]: Finished difference Result 97 states and 143 transitions. [2024-09-18 16:37:13,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-18 16:37:13,068 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 [2024-09-18 16:37:13,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-18 16:37:13,074 INFO L225 Difference]: With dead ends: 97 [2024-09-18 16:37:13,075 INFO L226 Difference]: Without dead ends: 93 [2024-09-18 16:37:13,078 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 [2024-09-18 16:37:13,079 INFO L434 NwaCegarLoop]: 21 mSDtfsCounter, 46 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-18 16:37:13,079 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 94 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-18 16:37:13,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-09-18 16:37:13,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2024-09-18 16:37:13,102 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) [2024-09-18 16:37:13,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2024-09-18 16:37:13,106 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 82 [2024-09-18 16:37:13,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-18 16:37:13,107 INFO L474 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2024-09-18 16:37:13,107 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) [2024-09-18 16:37:13,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:13,108 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2024-09-18 16:37:13,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-09-18 16:37:13,112 INFO L208 NwaCegarLoop]: Found error trace [2024-09-18 16:37:13,112 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] [2024-09-18 16:37:13,125 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-18 16:37:13,315 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 [2024-09-18 16:37:13,315 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-18 16:37:13,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:13,316 INFO L85 PathProgramCache]: Analyzing trace with hash 468078537, now seen corresponding path program 4 times [2024-09-18 16:37:13,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-18 16:37:13,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332268525] [2024-09-18 16:37:13,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-18 16:37:13,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-18 16:37:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:13,546 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-18 16:37:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:13,550 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-18 16:37:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:13,774 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:13,884 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:13,951 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:13,993 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,032 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,049 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,055 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,062 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,072 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,074 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,077 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,101 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,106 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,108 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,111 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-18 16:37:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,197 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,242 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,254 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,258 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,260 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,262 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,264 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,320 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,326 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,330 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,338 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,341 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:14,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 393 proven. 617 refuted. 0 times theorem prover too weak. 1231 trivial. 0 not checked. [2024-09-18 16:37:14,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-18 16:37:14,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332268525] [2024-09-18 16:37:14,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332268525] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-18 16:37:14,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645180495] [2024-09-18 16:37:14,345 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-18 16:37:14,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-18 16:37:14,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-18 16:37:14,347 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) [2024-09-18 16:37:14,348 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-18 16:37:14,438 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-18 16:37:14,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-18 16:37:14,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-18 16:37:14,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-18 16:37:14,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 103 proven. 653 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2024-09-18 16:37:14,555 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-18 16:37:16,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 103 proven. 693 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2024-09-18 16:37:16,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645180495] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-18 16:37:16,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-18 16:37:16,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10, 15] total 29 [2024-09-18 16:37:16,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735004376] [2024-09-18 16:37:16,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-18 16:37:16,152 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-18 16:37:16,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-18 16:37:16,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-18 16:37:16,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-09-18 16:37:16,154 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) [2024-09-18 16:37:16,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-18 16:37:16,560 INFO L93 Difference]: Finished difference Result 173 states and 318 transitions. [2024-09-18 16:37:16,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-18 16:37:16,561 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 [2024-09-18 16:37:16,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-18 16:37:16,565 INFO L225 Difference]: With dead ends: 173 [2024-09-18 16:37:16,565 INFO L226 Difference]: Without dead ends: 90 [2024-09-18 16:37:16,570 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 454 SyntacticMatches, 6 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 615 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=472, Invalid=1334, Unknown=0, NotChecked=0, Total=1806 [2024-09-18 16:37:16,571 INFO L434 NwaCegarLoop]: 23 mSDtfsCounter, 120 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-09-18 16:37:16,571 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] [2024-09-18 16:37:16,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-09-18 16:37:16,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 80. [2024-09-18 16:37:16,583 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) [2024-09-18 16:37:16,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2024-09-18 16:37:16,585 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 204 [2024-09-18 16:37:16,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-18 16:37:16,585 INFO L474 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2024-09-18 16:37:16,585 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) [2024-09-18 16:37:16,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:16,586 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2024-09-18 16:37:16,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-09-18 16:37:16,591 INFO L208 NwaCegarLoop]: Found error trace [2024-09-18 16:37:16,591 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] [2024-09-18 16:37:16,611 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-18 16:37:16,792 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 [2024-09-18 16:37:16,792 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-18 16:37:16,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:16,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1027905163, now seen corresponding path program 5 times [2024-09-18 16:37:16,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-18 16:37:16,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359241111] [2024-09-18 16:37:16,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-18 16:37:16,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-18 16:37:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,067 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-18 16:37:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,069 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-18 16:37:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,337 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,482 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,557 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,612 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,653 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,694 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,710 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,714 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,719 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,726 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,728 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,730 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,739 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,742 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,744 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,746 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,748 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-18 16:37:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,762 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,767 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,771 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,774 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,776 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,777 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,780 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,782 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,784 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-18 16:37:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,810 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,817 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,823 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,827 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,829 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,831 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,833 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,838 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,841 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,843 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,851 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,855 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,857 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,858 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:17,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 189 proven. 1130 refuted. 0 times theorem prover too weak. 3249 trivial. 0 not checked. [2024-09-18 16:37:17,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-18 16:37:17,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359241111] [2024-09-18 16:37:17,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359241111] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-18 16:37:17,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727378228] [2024-09-18 16:37:17,866 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-18 16:37:17,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-18 16:37:17,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-18 16:37:17,868 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) [2024-09-18 16:37:17,869 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-18 16:37:18,051 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 41 check-sat command(s) [2024-09-18 16:37:18,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-18 16:37:18,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-18 16:37:18,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-18 16:37:18,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 818 proven. 334 refuted. 0 times theorem prover too weak. 3416 trivial. 0 not checked. [2024-09-18 16:37:18,145 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-18 16:37:19,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 826 proven. 366 refuted. 0 times theorem prover too weak. 3376 trivial. 0 not checked. [2024-09-18 16:37:19,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727378228] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-18 16:37:19,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-18 16:37:19,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 15] total 25 [2024-09-18 16:37:19,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121614312] [2024-09-18 16:37:19,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-18 16:37:19,531 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-09-18 16:37:19,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-18 16:37:19,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-09-18 16:37:19,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-09-18 16:37:19,533 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) [2024-09-18 16:37:19,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-18 16:37:19,726 INFO L93 Difference]: Finished difference Result 250 states and 377 transitions. [2024-09-18 16:37:19,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-18 16:37:19,727 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 [2024-09-18 16:37:19,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-18 16:37:19,731 INFO L225 Difference]: With dead ends: 250 [2024-09-18 16:37:19,731 INFO L226 Difference]: Without dead ends: 246 [2024-09-18 16:37:19,733 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 [2024-09-18 16:37:19,733 INFO L434 NwaCegarLoop]: 21 mSDtfsCounter, 70 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-18 16:37:19,733 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 114 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-18 16:37:19,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-09-18 16:37:19,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 231. [2024-09-18 16:37:19,789 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) [2024-09-18 16:37:19,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 349 transitions. [2024-09-18 16:37:19,795 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 349 transitions. Word has length 286 [2024-09-18 16:37:19,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-18 16:37:19,795 INFO L474 AbstractCegarLoop]: Abstraction has 231 states and 349 transitions. [2024-09-18 16:37:19,796 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) [2024-09-18 16:37:19,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:19,796 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 349 transitions. [2024-09-18 16:37:19,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2024-09-18 16:37:19,807 INFO L208 NwaCegarLoop]: Found error trace [2024-09-18 16:37:19,807 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] [2024-09-18 16:37:19,824 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-18 16:37:20,011 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 [2024-09-18 16:37:20,012 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-18 16:37:20,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:20,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1694340825, now seen corresponding path program 6 times [2024-09-18 16:37:20,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-18 16:37:20,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391218984] [2024-09-18 16:37:20,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-18 16:37:20,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-18 16:37:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:20,651 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-18 16:37:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:20,654 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-18 16:37:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,199 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,462 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,621 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,701 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,752 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,789 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,824 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,840 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,844 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,849 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,854 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,856 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,858 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,868 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,871 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,873 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,874 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,876 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-18 16:37:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,889 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,893 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,896 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,898 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,901 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,903 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,906 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,907 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,909 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-18 16:37:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,928 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,936 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,940 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,943 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,945 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,947 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,951 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,953 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,959 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,962 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,964 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,965 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:21,968 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-18 16:37:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,184 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,288 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,362 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,399 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,407 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,412 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,413 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,415 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,416 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,472 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,475 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,477 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,489 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,492 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,493 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,494 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,495 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-18 16:37:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,507 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,510 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,513 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,515 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,516 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,517 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,520 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,521 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,523 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-18 16:37:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,576 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,595 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,611 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,618 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,621 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,624 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,629 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,631 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:22,638 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 2818 proven. 2810 refuted. 0 times theorem prover too weak. 10779 trivial. 0 not checked. [2024-09-18 16:37:22,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-18 16:37:22,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391218984] [2024-09-18 16:37:22,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391218984] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-18 16:37:22,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970725318] [2024-09-18 16:37:22,639 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-18 16:37:22,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-18 16:37:22,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-18 16:37:22,641 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) [2024-09-18 16:37:22,643 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-18 16:37:22,801 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2024-09-18 16:37:22,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-18 16:37:22,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-18 16:37:22,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-18 16:37:22,915 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 533 proven. 2177 refuted. 0 times theorem prover too weak. 13697 trivial. 0 not checked. [2024-09-18 16:37:22,915 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-18 16:37:25,461 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 537 proven. 2230 refuted. 0 times theorem prover too weak. 13640 trivial. 0 not checked. [2024-09-18 16:37:25,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970725318] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-18 16:37:25,462 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-18 16:37:25,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 11, 17] total 36 [2024-09-18 16:37:25,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693035741] [2024-09-18 16:37:25,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-18 16:37:25,463 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-18 16:37:25,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-18 16:37:25,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-18 16:37:25,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=953, Unknown=0, NotChecked=0, Total=1260 [2024-09-18 16:37:25,465 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) [2024-09-18 16:37:26,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-18 16:37:26,003 INFO L93 Difference]: Finished difference Result 365 states and 660 transitions. [2024-09-18 16:37:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-18 16:37:26,003 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 [2024-09-18 16:37:26,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-18 16:37:26,006 INFO L225 Difference]: With dead ends: 365 [2024-09-18 16:37:26,006 INFO L226 Difference]: Without dead ends: 148 [2024-09-18 16:37:26,009 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1275 GetRequests, 1210 SyntacticMatches, 8 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1177 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=831, Invalid=2591, Unknown=0, NotChecked=0, Total=3422 [2024-09-18 16:37:26,010 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 [2024-09-18 16:37:26,010 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] [2024-09-18 16:37:26,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-09-18 16:37:26,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 119. [2024-09-18 16:37:26,023 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) [2024-09-18 16:37:26,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 170 transitions. [2024-09-18 16:37:26,025 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 170 transitions. Word has length 531 [2024-09-18 16:37:26,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-18 16:37:26,025 INFO L474 AbstractCegarLoop]: Abstraction has 119 states and 170 transitions. [2024-09-18 16:37:26,026 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) [2024-09-18 16:37:26,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 170 transitions. [2024-09-18 16:37:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2024-09-18 16:37:26,047 INFO L208 NwaCegarLoop]: Found error trace [2024-09-18 16:37:26,047 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] [2024-09-18 16:37:26,067 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-18 16:37:26,248 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 [2024-09-18 16:37:26,249 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-18 16:37:26,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:26,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1852929859, now seen corresponding path program 7 times [2024-09-18 16:37:26,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-18 16:37:26,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923042641] [2024-09-18 16:37:26,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-18 16:37:26,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-18 16:37:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:27,417 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-18 16:37:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:27,420 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-18 16:37:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:28,297 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:28,619 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:28,855 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:28,955 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,019 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,067 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,106 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,139 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,155 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,158 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,161 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,166 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,168 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,170 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,179 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,182 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,184 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,185 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,186 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-18 16:37:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,201 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,206 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,209 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,211 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,212 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,215 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,218 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,219 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,221 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-18 16:37:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,242 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,248 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,253 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,256 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,258 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,260 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,262 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,265 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,268 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,270 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,274 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,277 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,279 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,282 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,285 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-18 16:37:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,317 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,328 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,334 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,341 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,345 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,346 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,347 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,351 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,355 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,357 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,359 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,365 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,369 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,371 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,372 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,376 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-18 16:37:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,383 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,387 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,390 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,392 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,393 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,394 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,397 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,399 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,400 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-18 16:37:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,714 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,879 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:29,989 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,061 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,130 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,135 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,139 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,141 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,142 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,143 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,208 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,210 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,215 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,223 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,226 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,227 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,228 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,230 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-18 16:37:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,240 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,244 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,248 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,250 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,252 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,254 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,256 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,257 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,259 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-18 16:37:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,275 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,281 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,285 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,290 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,294 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,295 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,296 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,298 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,299 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,300 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,304 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,307 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,309 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,310 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,311 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-18 16:37:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,354 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,381 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,406 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,422 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,428 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,431 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,434 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,442 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,446 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,447 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,453 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,456 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,457 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,458 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,463 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 5753 proven. 5825 refuted. 0 times theorem prover too weak. 32036 trivial. 0 not checked. [2024-09-18 16:37:30,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-18 16:37:30,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923042641] [2024-09-18 16:37:30,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923042641] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-18 16:37:30,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304964037] [2024-09-18 16:37:30,464 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-18 16:37:30,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-18 16:37:30,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-18 16:37:30,466 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) [2024-09-18 16:37:30,467 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-18 16:37:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:30,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 1924 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-09-18 16:37:30,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-18 16:37:30,977 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 3794 proven. 2058 refuted. 0 times theorem prover too weak. 37762 trivial. 0 not checked. [2024-09-18 16:37:30,977 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-18 16:37:35,724 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 3794 proven. 2150 refuted. 0 times theorem prover too weak. 37670 trivial. 0 not checked. [2024-09-18 16:37:35,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304964037] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-18 16:37:35,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-18 16:37:35,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 13, 21] total 45 [2024-09-18 16:37:35,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001899150] [2024-09-18 16:37:35,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-18 16:37:35,727 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-09-18 16:37:35,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-18 16:37:35,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-09-18 16:37:35,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=1545, Unknown=0, NotChecked=0, Total=1980 [2024-09-18 16:37:35,730 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) [2024-09-18 16:37:36,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-18 16:37:36,537 INFO L93 Difference]: Finished difference Result 292 states and 611 transitions. [2024-09-18 16:37:36,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-18 16:37:36,538 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 [2024-09-18 16:37:36,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-18 16:37:36,541 INFO L225 Difference]: With dead ends: 292 [2024-09-18 16:37:36,541 INFO L226 Difference]: Without dead ends: 163 [2024-09-18 16:37:36,545 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2040 GetRequests, 1955 SyntacticMatches, 10 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2124 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1252, Invalid=4600, Unknown=0, NotChecked=0, Total=5852 [2024-09-18 16:37:36,545 INFO L434 NwaCegarLoop]: 49 mSDtfsCounter, 237 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-18 16:37:36,546 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 358 Invalid, 1075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-18 16:37:36,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-09-18 16:37:36,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 139. [2024-09-18 16:37:36,568 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) [2024-09-18 16:37:36,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2024-09-18 16:37:36,570 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 858 [2024-09-18 16:37:36,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-18 16:37:36,573 INFO L474 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2024-09-18 16:37:36,574 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) [2024-09-18 16:37:36,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2024-09-18 16:37:36,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2024-09-18 16:37:36,580 INFO L208 NwaCegarLoop]: Found error trace [2024-09-18 16:37:36,581 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] [2024-09-18 16:37:36,601 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-18 16:37:36,781 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 [2024-09-18 16:37:36,782 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-18 16:37:36,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:36,782 INFO L85 PathProgramCache]: Analyzing trace with hash -2072743553, now seen corresponding path program 8 times [2024-09-18 16:37:36,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-18 16:37:36,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285443863] [2024-09-18 16:37:36,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-18 16:37:36,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-18 16:37:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:43,791 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-18 16:37:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:43,794 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-18 16:37:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:46,715 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:47,876 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:48,340 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:48,594 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:48,721 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:48,808 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:48,881 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:48,934 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:48,939 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:48,964 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:48,969 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:48,982 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:48,987 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:48,992 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,011 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,024 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,029 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,034 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,040 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-18 16:37:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,084 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,104 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,117 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,122 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,127 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,132 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,145 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,151 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,156 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-18 16:37:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,247 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,287 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,307 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,321 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,330 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,335 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,341 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,352 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,357 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,362 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,378 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,388 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,393 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,399 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,405 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-18 16:37:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,591 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,659 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,697 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,717 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,732 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,738 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,742 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,746 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,756 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,760 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,765 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,786 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,798 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,803 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,811 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,829 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-18 16:37:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,855 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,868 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,878 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,882 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,887 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,892 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,904 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,908 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:49,913 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-18 16:37:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,248 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,376 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,429 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,454 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,472 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,484 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,488 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,491 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,495 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,506 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,509 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,513 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,531 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,540 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,543 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,548 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,553 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-18 16:37:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,588 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,602 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,610 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,613 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,616 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,619 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,631 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,634 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,643 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-18 16:37:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,726 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,762 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,782 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,795 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,799 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,805 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,809 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,823 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,827 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,832 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,867 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,879 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,883 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,888 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:50,895 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-18 16:37:50,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-18 16:37:50,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285443863] [2024-09-18 16:37:50,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285443863] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-18 16:37:50,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219493417] [2024-09-18 16:37:50,896 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-18 16:37:50,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-18 16:37:50,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-18 16:37:50,898 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) [2024-09-18 16:37:50,899 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-18 16:37:51,179 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-18 16:37:51,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-18 16:37:51,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 1682 conjuncts, 439 conjuncts are in the unsatisfiable core [2024-09-18 16:37:51,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-18 16:37:51,826 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-18 16:37:51,826 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-18 16:37:55,325 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-18 16:37:55,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219493417] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-18 16:37:55,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-18 16:37:55,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 36 [2024-09-18 16:37:55,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095332390] [2024-09-18 16:37:55,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-18 16:37:55,327 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-18 16:37:55,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-18 16:37:55,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-18 16:37:55,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2024-09-18 16:37:55,328 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) [2024-09-18 16:37:55,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-18 16:37:55,653 INFO L93 Difference]: Finished difference Result 152 states and 204 transitions. [2024-09-18 16:37:55,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-18 16:37:55,653 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 [2024-09-18 16:37:55,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-18 16:37:55,658 INFO L225 Difference]: With dead ends: 152 [2024-09-18 16:37:55,658 INFO L226 Difference]: Without dead ends: 148 [2024-09-18 16:37:55,659 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1938 GetRequests, 1904 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2024-09-18 16:37:55,660 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 [2024-09-18 16:37:55,660 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] [2024-09-18 16:37:55,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-09-18 16:37:55,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 147. [2024-09-18 16:37:55,674 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) [2024-09-18 16:37:55,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 196 transitions. [2024-09-18 16:37:55,676 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 196 transitions. Word has length 749 [2024-09-18 16:37:55,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-18 16:37:55,677 INFO L474 AbstractCegarLoop]: Abstraction has 147 states and 196 transitions. [2024-09-18 16:37:55,677 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) [2024-09-18 16:37:55,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:55,678 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2024-09-18 16:37:55,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 927 [2024-09-18 16:37:55,683 INFO L208 NwaCegarLoop]: Found error trace [2024-09-18 16:37:55,684 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] [2024-09-18 16:37:55,702 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-09-18 16:37:55,884 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 [2024-09-18 16:37:55,884 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-18 16:37:55,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:37:55,885 INFO L85 PathProgramCache]: Analyzing trace with hash -562081978, now seen corresponding path program 9 times [2024-09-18 16:37:55,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-18 16:37:55,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636622027] [2024-09-18 16:37:55,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-18 16:37:55,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-18 16:37:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:56,550 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-18 16:37:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:56,551 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-18 16:37:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,219 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,551 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,718 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,814 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,873 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,914 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,935 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,939 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,940 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,941 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,941 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,942 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,985 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,986 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,988 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,992 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,993 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,994 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,995 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:57,996 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-18 16:37:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,006 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,009 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,011 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,012 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,013 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,014 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,016 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,017 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,018 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-18 16:37:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,034 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,040 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,043 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,045 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,046 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,047 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,048 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,050 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,051 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,052 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,055 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,057 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,058 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,059 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,060 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-18 16:37:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,088 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,095 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,098 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,100 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,102 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,103 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,103 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,104 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,106 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,108 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,112 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,114 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,115 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-18 16:37:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,120 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,122 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,123 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,124 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,125 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,126 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,127 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,128 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,129 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-18 16:37:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,193 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,240 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,313 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,355 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,386 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,401 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,403 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,405 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,410 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,412 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,413 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,421 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,423 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,424 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,425 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,427 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-18 16:37:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,437 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,440 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,442 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,443 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,444 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,445 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,447 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,448 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,450 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2024-09-18 16:37:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,482 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,497 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,506 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,511 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,514 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,516 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,517 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,518 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,519 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,521 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,522 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,523 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,526 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,528 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,529 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,529 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,530 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-18 16:37:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,535 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,539 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,541 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,542 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,543 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,544 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,546 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,547 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,548 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-18 16:37:58,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,557 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,563 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,568 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,571 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,573 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,574 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,576 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-18 16:37:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,579 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,581 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,582 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-18 16:37:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,586 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,589 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-18 16:37:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,591 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-18 16:37:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,592 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-18 16:37:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-18 16:37:58,598 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3313 proven. 5871 refuted. 0 times theorem prover too weak. 41726 trivial. 0 not checked. [2024-09-18 16:37:58,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-18 16:37:58,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636622027] [2024-09-18 16:37:58,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636622027] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-18 16:37:58,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899757582] [2024-09-18 16:37:58,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-18 16:37:58,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-18 16:37:58,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-18 16:37:58,601 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) [2024-09-18 16:37:58,603 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-18 16:37:58,841 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 36 check-sat command(s) [2024-09-18 16:37:58,841 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-18 16:37:58,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-09-18 16:37:58,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-18 16:37:59,033 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1209 proven. 5377 refuted. 0 times theorem prover too weak. 44324 trivial. 0 not checked. [2024-09-18 16:37:59,033 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-18 16:38:03,903 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1201 proven. 5477 refuted. 0 times theorem prover too weak. 44232 trivial. 0 not checked. [2024-09-18 16:38:03,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899757582] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-18 16:38:03,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-18 16:38:03,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 14, 22] total 43 [2024-09-18 16:38:03,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535440409] [2024-09-18 16:38:03,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-18 16:38:03,906 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-09-18 16:38:03,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-18 16:38:03,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-09-18 16:38:03,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=415, Invalid=1391, Unknown=0, NotChecked=0, Total=1806 [2024-09-18 16:38:03,910 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) [2024-09-18 16:38:04,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-18 16:38:04,341 INFO L93 Difference]: Finished difference Result 290 states and 403 transitions. [2024-09-18 16:38:04,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-18 16:38:04,342 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 [2024-09-18 16:38:04,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-18 16:38:04,344 INFO L225 Difference]: With dead ends: 290 [2024-09-18 16:38:04,344 INFO L226 Difference]: Without dead ends: 0 [2024-09-18 16:38:04,346 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2166 GetRequests, 2101 SyntacticMatches, 10 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1258 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=757, Invalid=2435, Unknown=0, NotChecked=0, Total=3192 [2024-09-18 16:38:04,347 INFO L434 NwaCegarLoop]: 49 mSDtfsCounter, 122 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-18 16:38:04,347 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 336 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-18 16:38:04,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-09-18 16:38:04,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-09-18 16:38:04,348 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) [2024-09-18 16:38:04,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-09-18 16:38:04,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 926 [2024-09-18 16:38:04,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-18 16:38:04,349 INFO L474 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-09-18 16:38:04,349 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) [2024-09-18 16:38:04,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-18 16:38:04,350 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-09-18 16:38:04,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-09-18 16:38:04,352 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-09-18 16:38:04,368 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-09-18 16:38:04,553 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 [2024-09-18 16:38:04,556 INFO L408 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1] [2024-09-18 16:38:04,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-09-18 16:38:08,387 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-18 16:38:08,413 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-09-18 16:38:08,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 04:38:08 BoogieIcfgContainer [2024-09-18 16:38:08,416 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-18 16:38:08,416 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-09-18 16:38:08,416 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-09-18 16:38:08,417 INFO L274 PluginConnector]: Witness Printer initialized [2024-09-18 16:38:08,417 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:37:08" (3/4) ... [2024-09-18 16:38:08,419 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-09-18 16:38:08,473 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.yml [2024-09-18 16:38:08,473 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-09-18 16:38:08,474 INFO L158 Benchmark]: Toolchain (without parser) took 60908.52ms. Allocated memory was 174.1MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 142.2MB in the beginning and 944.7MB in the end (delta: -802.4MB). Peak memory consumption was 829.4MB. Max. memory is 16.1GB. [2024-09-18 16:38:08,474 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-18 16:38:08,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.01ms. Allocated memory is still 174.1MB. Free memory was 142.2MB in the beginning and 132.0MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-18 16:38:08,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.59ms. Allocated memory is still 174.1MB. Free memory is still 130.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-18 16:38:08,475 INFO L158 Benchmark]: Boogie Preprocessor took 40.45ms. Allocated memory is still 174.1MB. Free memory was 130.9MB in the beginning and 128.8MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-18 16:38:08,475 INFO L158 Benchmark]: RCFGBuilder took 318.52ms. Allocated memory is still 174.1MB. Free memory was 128.8MB in the beginning and 117.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-18 16:38:08,476 INFO L158 Benchmark]: TraceAbstraction took 60202.60ms. Allocated memory was 174.1MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 116.2MB in the beginning and 947.8MB in the end (delta: -831.6MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-09-18 16:38:08,476 INFO L158 Benchmark]: Witness Printer took 57.02ms. Allocated memory is still 1.8GB. Free memory was 947.8MB in the beginning and 944.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-18 16:38:08,478 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.01ms. Allocated memory is still 174.1MB. Free memory was 142.2MB in the beginning and 132.0MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.59ms. Allocated memory is still 174.1MB. Free memory is still 130.9MB. There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.45ms. Allocated memory is still 174.1MB. Free memory was 130.9MB in the beginning and 128.8MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 318.52ms. Allocated memory is still 174.1MB. Free memory was 128.8MB in the beginning and 117.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 60202.60ms. Allocated memory was 174.1MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 116.2MB in the beginning and 947.8MB in the end (delta: -831.6MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 57.02ms. Allocated memory is still 1.8GB. Free memory was 947.8MB in the beginning and 944.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. 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: 56.3s, OverallIterations: 12, TraceHistogramMax: 135, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.1s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 937 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 887 mSDsluCounter, 2711 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2380 mSDsCounter, 827 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3903 IncrementalHoareTripleChecker+Invalid, 4730 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 827 mSolverCounterUnsat, 331 mSDtfsCounter, 3903 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9053 GetRequests, 8651 SyntacticMatches, 50 SemanticMatches, 352 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5872 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=231occurred in iteration=8, InterpolantAutomatonStates: 247, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 89 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 48.0s 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! [2024-09-18 16:38:08,509 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