./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 e378df2c Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:08:58,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:08:58,451 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-15 15:08:58,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:08:58,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:08:58,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:08:58,487 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:08:58,488 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:08:58,489 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:08:58,490 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:08:58,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-15 15:08:58,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-15 15:08:58,492 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:08:58,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:08:58,494 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:08:58,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:08:58,494 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:08:58,495 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:08:58,495 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:08:58,495 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:08:58,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:08:58,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:08:58,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:08:58,499 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:08:58,500 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:08:58,500 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:08:58,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:08:58,500 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:08:58,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:08:58,501 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:08:58,501 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:08:58,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:08:58,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:08:58,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 15:08:58,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-15 15:08:58,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-15 15:08:58,503 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 15:08:58,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-15 15:08:58,504 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-15 15:08:58,504 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-15 15:08:58,505 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-15 15:08:58,505 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-15 15:08:58,505 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Generate GraphML witnesses -> false [2024-10-15 15:08:58,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:08:58,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:08:58,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:08:58,785 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:08:58,786 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:08:58,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/recursive/Fibonacci02.c [2024-10-15 15:09:00,177 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:09:00,355 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:09:00,356 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/Fibonacci02.c [2024-10-15 15:09:00,362 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/2d1d401c3/13279b69eb8e473a8ef53711abd43406/FLAG6d3bee84e [2024-10-15 15:09:00,752 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/2d1d401c3/13279b69eb8e473a8ef53711abd43406 [2024-10-15 15:09:00,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:09:00,755 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 15:09:00,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:09:00,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:09:00,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:09:00,763 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:09:00" (1/1) ... [2024-10-15 15:09:00,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280e4389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:09:00, skipping insertion in model container [2024-10-15 15:09:00,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:09:00" (1/1) ... [2024-10-15 15:09:00,785 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:09:00,962 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] [2024-10-15 15:09:00,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:09:00,977 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 15:09:00,989 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] [2024-10-15 15:09:00,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:09:01,002 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:09:01,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:09:01 WrapperNode [2024-10-15 15:09:01,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:09:01,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:09:01,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:09:01,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:09:01,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:09:01" (1/1) ... [2024-10-15 15:09:01,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:09:01" (1/1) ... [2024-10-15 15:09:01,020 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:09:01,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:09:01,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:09:01,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:09:01,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:09:01,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:09:01" (1/1) ... [2024-10-15 15:09:01,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:09:01" (1/1) ... [2024-10-15 15:09:01,030 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:09:01" (1/1) ... [2024-10-15 15:09:01,038 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-15 15:09:01,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:09:01" (1/1) ... [2024-10-15 15:09:01,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:09:01" (1/1) ... [2024-10-15 15:09:01,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:09:01" (1/1) ... [2024-10-15 15:09:01,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:09:01" (1/1) ... [2024-10-15 15:09:01,043 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:09:01" (1/1) ... [2024-10-15 15:09:01,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:09:01" (1/1) ... [2024-10-15 15:09:01,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:09:01,045 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:09:01,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:09:01,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:09:01,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:09:01" (1/1) ... [2024-10-15 15:09:01,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:09:01,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-10-15 15:09:01,073 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) [2024-10-15 15:09:01,079 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 [2024-10-15 15:09:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2024-10-15 15:09:01,118 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2024-10-15 15:09:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:09:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:09:01,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:09:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:09:01,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:09:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:09:01,118 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:09:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 15:09:01,172 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:09:01,173 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:09:01,282 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-10-15 15:09:01,282 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:09:01,311 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:09:01,311 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-15 15:09:01,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:09:01 BoogieIcfgContainer [2024-10-15 15:09:01,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:09:01,316 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-15 15:09:01,317 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-15 15:09:01,321 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-15 15:09:01,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:09:00" (1/3) ... [2024-10-15 15:09:01,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d6e77f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:09:01, skipping insertion in model container [2024-10-15 15:09:01,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:09:01" (2/3) ... [2024-10-15 15:09:01,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d6e77f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:09:01, skipping insertion in model container [2024-10-15 15:09:01,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:09:01" (3/3) ... [2024-10-15 15:09:01,325 INFO L112 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2024-10-15 15:09:01,343 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-15 15:09:01,343 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-15 15:09:01,388 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-15 15:09:01,393 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@3c9288d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-15 15:09:01,394 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-15 15:09:01,397 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) [2024-10-15 15:09:01,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-15 15:09:01,404 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 15:09:01,405 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 15:09:01,405 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 15:09:01,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:01,410 INFO L85 PathProgramCache]: Analyzing trace with hash -351828897, now seen corresponding path program 1 times [2024-10-15 15:09:01,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 15:09:01,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724933306] [2024-10-15 15:09:01,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 15:09:01,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 15:09:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:01,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 15:09:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:01,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-15 15:09:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:01,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 15:09:01,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 15:09:01,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724933306] [2024-10-15 15:09:01,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724933306] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 15:09:01,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 15:09:01,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-15 15:09:01,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706117494] [2024-10-15 15:09:01,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 15:09:01,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-15 15:09:01,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 15:09:01,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-15 15:09:01,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-15 15:09:01,794 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) [2024-10-15 15:09:01,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 15:09:01,876 INFO L93 Difference]: Finished difference Result 35 states and 43 transitions. [2024-10-15 15:09:01,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-15 15:09:01,879 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 [2024-10-15 15:09:01,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 15:09:01,885 INFO L225 Difference]: With dead ends: 35 [2024-10-15 15:09:01,886 INFO L226 Difference]: Without dead ends: 23 [2024-10-15 15:09:01,888 INFO L431 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 [2024-10-15 15:09:01,890 INFO L432 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 [2024-10-15 15:09:01,891 INFO L433 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] [2024-10-15 15:09:01,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-10-15 15:09:01,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-10-15 15:09:01,924 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) [2024-10-15 15:09:01,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-10-15 15:09:01,929 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2024-10-15 15:09:01,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 15:09:01,930 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-10-15 15:09:01,930 INFO L472 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) [2024-10-15 15:09:01,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:01,931 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-10-15 15:09:01,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-15 15:09:01,932 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 15:09:01,932 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 15:09:01,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-15 15:09:01,933 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 15:09:01,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:01,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1624511627, now seen corresponding path program 1 times [2024-10-15 15:09:01,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 15:09:01,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199800029] [2024-10-15 15:09:01,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 15:09:01,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 15:09:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:01,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 15:09:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:01,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-15 15:09:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:02,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 15:09:02,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 15:09:02,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199800029] [2024-10-15 15:09:02,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199800029] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 15:09:02,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 15:09:02,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-15 15:09:02,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069309673] [2024-10-15 15:09:02,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 15:09:02,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-15 15:09:02,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 15:09:02,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-15 15:09:02,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-15 15:09:02,065 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) [2024-10-15 15:09:02,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 15:09:02,112 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-10-15 15:09:02,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-15 15:09:02,113 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 [2024-10-15 15:09:02,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 15:09:02,115 INFO L225 Difference]: With dead ends: 27 [2024-10-15 15:09:02,115 INFO L226 Difference]: Without dead ends: 23 [2024-10-15 15:09:02,116 INFO L431 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 [2024-10-15 15:09:02,118 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 7 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-15 15:09:02,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 42 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-15 15:09:02,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-10-15 15:09:02,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-10-15 15:09:02,126 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) [2024-10-15 15:09:02,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-10-15 15:09:02,128 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2024-10-15 15:09:02,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 15:09:02,128 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-10-15 15:09:02,128 INFO L472 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) [2024-10-15 15:09:02,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:02,129 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-10-15 15:09:02,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-15 15:09:02,130 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 15:09:02,130 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 15:09:02,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-15 15:09:02,131 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 15:09:02,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:02,132 INFO L85 PathProgramCache]: Analyzing trace with hash -401354712, now seen corresponding path program 1 times [2024-10-15 15:09:02,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 15:09:02,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124618263] [2024-10-15 15:09:02,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 15:09:02,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 15:09:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:02,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 15:09:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:02,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-15 15:09:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:02,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:02,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-15 15:09:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:02,300 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-15 15:09:02,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 15:09:02,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124618263] [2024-10-15 15:09:02,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124618263] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 15:09:02,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181889458] [2024-10-15 15:09:02,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 15:09:02,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 15:09:02,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-10-15 15:09:02,304 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) [2024-10-15 15:09:02,306 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-15 15:09:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:02,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-15 15:09:02,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 15:09:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-15 15:09:02,455 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 15:09:02,695 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-15 15:09:02,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181889458] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 15:09:02,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 15:09:02,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 12 [2024-10-15 15:09:02,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601040730] [2024-10-15 15:09:02,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 15:09:02,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-15 15:09:02,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 15:09:02,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-15 15:09:02,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-10-15 15:09:02,699 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) [2024-10-15 15:09:02,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 15:09:02,795 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2024-10-15 15:09:02,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-15 15:09:02,795 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 [2024-10-15 15:09:02,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 15:09:02,797 INFO L225 Difference]: With dead ends: 38 [2024-10-15 15:09:02,798 INFO L226 Difference]: Without dead ends: 23 [2024-10-15 15:09:02,798 INFO L431 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 [2024-10-15 15:09:02,800 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 23 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-15 15:09:02,802 INFO L433 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] [2024-10-15 15:09:02,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-10-15 15:09:02,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-10-15 15:09:02,811 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) [2024-10-15 15:09:02,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2024-10-15 15:09:02,813 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 26 [2024-10-15 15:09:02,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 15:09:02,815 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2024-10-15 15:09:02,815 INFO L472 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) [2024-10-15 15:09:02,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:02,816 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-10-15 15:09:02,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-15 15:09:02,817 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 15:09:02,817 INFO L215 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] [2024-10-15 15:09:02,834 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-15 15:09:03,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 15:09:03,018 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 15:09:03,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:03,018 INFO L85 PathProgramCache]: Analyzing trace with hash 301246430, now seen corresponding path program 1 times [2024-10-15 15:09:03,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 15:09:03,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533542722] [2024-10-15 15:09:03,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 15:09:03,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 15:09:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:03,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 15:09:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:03,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-15 15:09:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:03,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:03,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:03,193 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-15 15:09:03,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 15:09:03,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533542722] [2024-10-15 15:09:03,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533542722] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 15:09:03,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174064712] [2024-10-15 15:09:03,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 15:09:03,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 15:09:03,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-10-15 15:09:03,198 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) [2024-10-15 15:09:03,198 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-15 15:09:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:03,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-15 15:09:03,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 15:09:03,276 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-15 15:09:03,277 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 15:09:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-15 15:09:03,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174064712] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 15:09:03,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 15:09:03,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 11 [2024-10-15 15:09:03,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157628561] [2024-10-15 15:09:03,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 15:09:03,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-15 15:09:03,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 15:09:03,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-15 15:09:03,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-10-15 15:09:03,453 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) [2024-10-15 15:09:03,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 15:09:03,569 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2024-10-15 15:09:03,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-15 15:09:03,569 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 [2024-10-15 15:09:03,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 15:09:03,571 INFO L225 Difference]: With dead ends: 41 [2024-10-15 15:09:03,571 INFO L226 Difference]: Without dead ends: 37 [2024-10-15 15:09:03,572 INFO L431 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 [2024-10-15 15:09:03,572 INFO L432 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 [2024-10-15 15:09:03,572 INFO L433 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] [2024-10-15 15:09:03,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-10-15 15:09:03,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-10-15 15:09:03,588 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) [2024-10-15 15:09:03,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2024-10-15 15:09:03,590 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 27 [2024-10-15 15:09:03,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 15:09:03,591 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2024-10-15 15:09:03,592 INFO L472 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) [2024-10-15 15:09:03,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:03,592 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2024-10-15 15:09:03,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-15 15:09:03,595 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 15:09:03,595 INFO L215 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] [2024-10-15 15:09:03,612 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-15 15:09:03,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 15:09:03,796 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 15:09:03,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:03,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1626117641, now seen corresponding path program 2 times [2024-10-15 15:09:03,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 15:09:03,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853269751] [2024-10-15 15:09:03,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 15:09:03,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 15:09:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:03,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 15:09:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:03,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-15 15:09:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:03,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:03,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:03,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:03,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:03,953 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-15 15:09:03,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 15:09:03,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853269751] [2024-10-15 15:09:03,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853269751] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 15:09:03,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308636248] [2024-10-15 15:09:03,954 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-15 15:09:03,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 15:09:03,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-10-15 15:09:03,956 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) [2024-10-15 15:09:03,958 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-15 15:09:04,006 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-15 15:09:04,006 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-15 15:09:04,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-15 15:09:04,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 15:09:04,090 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-15 15:09:04,090 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 15:09:04,425 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-15 15:09:04,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308636248] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 15:09:04,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 15:09:04,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 9] total 17 [2024-10-15 15:09:04,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522588763] [2024-10-15 15:09:04,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 15:09:04,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-15 15:09:04,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 15:09:04,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-15 15:09:04,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-10-15 15:09:04,427 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) [2024-10-15 15:09:04,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 15:09:04,615 INFO L93 Difference]: Finished difference Result 72 states and 109 transitions. [2024-10-15 15:09:04,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-15 15:09:04,616 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 [2024-10-15 15:09:04,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 15:09:04,617 INFO L225 Difference]: With dead ends: 72 [2024-10-15 15:09:04,619 INFO L226 Difference]: Without dead ends: 41 [2024-10-15 15:09:04,620 INFO L431 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 [2024-10-15 15:09:04,621 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 41 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-15 15:09:04,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 91 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-15 15:09:04,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-10-15 15:09:04,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-10-15 15:09:04,629 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) [2024-10-15 15:09:04,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2024-10-15 15:09:04,630 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 40 [2024-10-15 15:09:04,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 15:09:04,630 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2024-10-15 15:09:04,630 INFO L472 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) [2024-10-15 15:09:04,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:04,631 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-10-15 15:09:04,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-15 15:09:04,633 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 15:09:04,633 INFO L215 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] [2024-10-15 15:09:04,649 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-15 15:09:04,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 15:09:04,838 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 15:09:04,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:04,838 INFO L85 PathProgramCache]: Analyzing trace with hash -506127720, now seen corresponding path program 3 times [2024-10-15 15:09:04,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 15:09:04,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671848682] [2024-10-15 15:09:04,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 15:09:04,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 15:09:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:04,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 15:09:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:04,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-15 15:09:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:05,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:05,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:05,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:05,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:05,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:05,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:05,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:05,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:05,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:05,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:05,205 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 22 proven. 127 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-10-15 15:09:05,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 15:09:05,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671848682] [2024-10-15 15:09:05,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671848682] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 15:09:05,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330758769] [2024-10-15 15:09:05,206 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-15 15:09:05,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 15:09:05,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-10-15 15:09:05,209 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) [2024-10-15 15:09:05,210 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-15 15:09:05,262 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-10-15 15:09:05,262 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-15 15:09:05,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-15 15:09:05,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 15:09:05,316 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 32 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-10-15 15:09:05,316 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 15:09:05,660 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 41 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-10-15 15:09:05,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330758769] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 15:09:05,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 15:09:05,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 9] total 17 [2024-10-15 15:09:05,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652502856] [2024-10-15 15:09:05,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 15:09:05,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-15 15:09:05,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 15:09:05,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-15 15:09:05,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-10-15 15:09:05,663 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) [2024-10-15 15:09:05,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 15:09:05,834 INFO L93 Difference]: Finished difference Result 97 states and 143 transitions. [2024-10-15 15:09:05,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-15 15:09:05,834 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 [2024-10-15 15:09:05,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 15:09:05,837 INFO L225 Difference]: With dead ends: 97 [2024-10-15 15:09:05,837 INFO L226 Difference]: Without dead ends: 93 [2024-10-15 15:09:05,838 INFO L431 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 [2024-10-15 15:09:05,843 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 46 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-15 15:09:05,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 94 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-15 15:09:05,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-10-15 15:09:05,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2024-10-15 15:09:05,872 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) [2024-10-15 15:09:05,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2024-10-15 15:09:05,875 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 82 [2024-10-15 15:09:05,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 15:09:05,875 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2024-10-15 15:09:05,876 INFO L472 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) [2024-10-15 15:09:05,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:05,876 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2024-10-15 15:09:05,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-15 15:09:05,883 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 15:09:05,883 INFO L215 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] [2024-10-15 15:09:05,901 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-15 15:09:06,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 15:09:06,088 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 15:09:06,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:06,088 INFO L85 PathProgramCache]: Analyzing trace with hash 468078537, now seen corresponding path program 4 times [2024-10-15 15:09:06,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 15:09:06,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296570095] [2024-10-15 15:09:06,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 15:09:06,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 15:09:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 15:09:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-15 15:09:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-15 15:09:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:06,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:07,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:07,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:07,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:07,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:07,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:07,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 393 proven. 617 refuted. 0 times theorem prover too weak. 1231 trivial. 0 not checked. [2024-10-15 15:09:07,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 15:09:07,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296570095] [2024-10-15 15:09:07,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296570095] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 15:09:07,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276061508] [2024-10-15 15:09:07,030 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-15 15:09:07,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 15:09:07,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-10-15 15:09:07,033 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) [2024-10-15 15:09:07,035 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-15 15:09:07,117 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-15 15:09:07,118 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-15 15:09:07,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-15 15:09:07,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 15:09:07,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 103 proven. 653 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2024-10-15 15:09:07,225 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 15:09:08,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 103 proven. 693 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2024-10-15 15:09:08,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276061508] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 15:09:08,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 15:09:08,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10, 15] total 29 [2024-10-15 15:09:08,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145600778] [2024-10-15 15:09:08,693 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 15:09:08,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-10-15 15:09:08,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 15:09:08,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-10-15 15:09:08,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-10-15 15:09:08,700 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) [2024-10-15 15:09:09,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 15:09:09,114 INFO L93 Difference]: Finished difference Result 173 states and 318 transitions. [2024-10-15 15:09:09,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-15 15:09:09,114 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 [2024-10-15 15:09:09,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 15:09:09,119 INFO L225 Difference]: With dead ends: 173 [2024-10-15 15:09:09,120 INFO L226 Difference]: Without dead ends: 90 [2024-10-15 15:09:09,127 INFO L431 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 [2024-10-15 15:09:09,130 INFO L432 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 [2024-10-15 15:09:09,130 INFO L433 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] [2024-10-15 15:09:09,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-10-15 15:09:09,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 80. [2024-10-15 15:09:09,153 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) [2024-10-15 15:09:09,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2024-10-15 15:09:09,155 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 204 [2024-10-15 15:09:09,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 15:09:09,156 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2024-10-15 15:09:09,156 INFO L472 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) [2024-10-15 15:09:09,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:09,157 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2024-10-15 15:09:09,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-10-15 15:09:09,165 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 15:09:09,166 INFO L215 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] [2024-10-15 15:09:09,189 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-15 15:09:09,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-15 15:09:09,367 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 15:09:09,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:09,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1027905163, now seen corresponding path program 5 times [2024-10-15 15:09:09,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 15:09:09,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067530067] [2024-10-15 15:09:09,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 15:09:09,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 15:09:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:09,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 15:09:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:09,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-15 15:09:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:09,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-15 15:09:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-15 15:09:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:10,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 189 proven. 1130 refuted. 0 times theorem prover too weak. 3249 trivial. 0 not checked. [2024-10-15 15:09:10,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 15:09:10,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067530067] [2024-10-15 15:09:10,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067530067] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 15:09:10,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040463924] [2024-10-15 15:09:10,366 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-15 15:09:10,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 15:09:10,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-10-15 15:09:10,368 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) [2024-10-15 15:09:10,378 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-15 15:09:10,544 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 41 check-sat command(s) [2024-10-15 15:09:10,544 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-15 15:09:10,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-15 15:09:10,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 15:09:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 818 proven. 334 refuted. 0 times theorem prover too weak. 3416 trivial. 0 not checked. [2024-10-15 15:09:10,629 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 15:09:12,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 826 proven. 366 refuted. 0 times theorem prover too weak. 3376 trivial. 0 not checked. [2024-10-15 15:09:12,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040463924] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 15:09:12,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 15:09:12,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 15] total 25 [2024-10-15 15:09:12,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737944397] [2024-10-15 15:09:12,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 15:09:12,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-15 15:09:12,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 15:09:12,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-15 15:09:12,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-10-15 15:09:12,118 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) [2024-10-15 15:09:12,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 15:09:12,321 INFO L93 Difference]: Finished difference Result 250 states and 377 transitions. [2024-10-15 15:09:12,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-15 15:09:12,322 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 [2024-10-15 15:09:12,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 15:09:12,330 INFO L225 Difference]: With dead ends: 250 [2024-10-15 15:09:12,330 INFO L226 Difference]: Without dead ends: 246 [2024-10-15 15:09:12,331 INFO L431 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 [2024-10-15 15:09:12,335 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 70 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-15 15:09:12,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 114 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-15 15:09:12,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-10-15 15:09:12,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 231. [2024-10-15 15:09:12,379 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) [2024-10-15 15:09:12,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 349 transitions. [2024-10-15 15:09:12,382 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 349 transitions. Word has length 286 [2024-10-15 15:09:12,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 15:09:12,382 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 349 transitions. [2024-10-15 15:09:12,382 INFO L472 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) [2024-10-15 15:09:12,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:12,383 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 349 transitions. [2024-10-15 15:09:12,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2024-10-15 15:09:12,390 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 15:09:12,390 INFO L215 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] [2024-10-15 15:09:12,408 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-15 15:09:12,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 15:09:12,592 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 15:09:12,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:12,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1694340825, now seen corresponding path program 6 times [2024-10-15 15:09:12,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 15:09:12,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409096827] [2024-10-15 15:09:12,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 15:09:12,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 15:09:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:13,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 15:09:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:13,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-15 15:09:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:13,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:13,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:13,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:13,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-15 15:09:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-15 15:09:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-15 15:09:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-15 15:09:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-15 15:09:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:14,875 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 2818 proven. 2810 refuted. 0 times theorem prover too weak. 10779 trivial. 0 not checked. [2024-10-15 15:09:14,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 15:09:14,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409096827] [2024-10-15 15:09:14,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409096827] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 15:09:14,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649687155] [2024-10-15 15:09:14,876 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-15 15:09:14,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 15:09:14,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-10-15 15:09:14,878 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) [2024-10-15 15:09:14,880 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-15 15:09:15,038 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2024-10-15 15:09:15,039 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-15 15:09:15,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-15 15:09:15,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 15:09:15,179 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 533 proven. 2177 refuted. 0 times theorem prover too weak. 13697 trivial. 0 not checked. [2024-10-15 15:09:15,179 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 15:09:17,727 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 537 proven. 2230 refuted. 0 times theorem prover too weak. 13640 trivial. 0 not checked. [2024-10-15 15:09:17,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649687155] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 15:09:17,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 15:09:17,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 11, 17] total 36 [2024-10-15 15:09:17,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802268643] [2024-10-15 15:09:17,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 15:09:17,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-10-15 15:09:17,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 15:09:17,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-10-15 15:09:17,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=953, Unknown=0, NotChecked=0, Total=1260 [2024-10-15 15:09:17,731 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) [2024-10-15 15:09:18,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 15:09:18,282 INFO L93 Difference]: Finished difference Result 365 states and 660 transitions. [2024-10-15 15:09:18,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-15 15:09:18,283 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 [2024-10-15 15:09:18,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 15:09:18,286 INFO L225 Difference]: With dead ends: 365 [2024-10-15 15:09:18,286 INFO L226 Difference]: Without dead ends: 148 [2024-10-15 15:09:18,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1275 GetRequests, 1210 SyntacticMatches, 8 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1177 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=831, Invalid=2591, Unknown=0, NotChecked=0, Total=3422 [2024-10-15 15:09:18,290 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 190 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-15 15:09:18,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 266 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-15 15:09:18,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-10-15 15:09:18,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 119. [2024-10-15 15:09:18,304 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) [2024-10-15 15:09:18,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 170 transitions. [2024-10-15 15:09:18,305 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 170 transitions. Word has length 531 [2024-10-15 15:09:18,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 15:09:18,306 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 170 transitions. [2024-10-15 15:09:18,307 INFO L472 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) [2024-10-15 15:09:18,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:18,307 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 170 transitions. [2024-10-15 15:09:18,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2024-10-15 15:09:18,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 15:09:18,328 INFO L215 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] [2024-10-15 15:09:18,345 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-15 15:09:18,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 15:09:18,533 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 15:09:18,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:18,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1852929859, now seen corresponding path program 7 times [2024-10-15 15:09:18,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 15:09:18,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417982245] [2024-10-15 15:09:18,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 15:09:18,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 15:09:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:19,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 15:09:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:19,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-15 15:09:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-15 15:09:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-15 15:09:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-15 15:09:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-15 15:09:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:20,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-10-15 15:09:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-15 15:09:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-15 15:09:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-15 15:09:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:21,967 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 5753 proven. 5825 refuted. 0 times theorem prover too weak. 32036 trivial. 0 not checked. [2024-10-15 15:09:21,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 15:09:21,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417982245] [2024-10-15 15:09:21,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417982245] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 15:09:21,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415230803] [2024-10-15 15:09:21,968 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-15 15:09:21,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 15:09:21,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-10-15 15:09:21,970 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) [2024-10-15 15:09:21,973 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-15 15:09:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:22,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 1924 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-15 15:09:22,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 15:09:22,467 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 3794 proven. 2058 refuted. 0 times theorem prover too weak. 37762 trivial. 0 not checked. [2024-10-15 15:09:22,467 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 15:09:26,766 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 3794 proven. 2150 refuted. 0 times theorem prover too weak. 37670 trivial. 0 not checked. [2024-10-15 15:09:26,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415230803] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 15:09:26,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 15:09:26,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 13, 21] total 45 [2024-10-15 15:09:26,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211566847] [2024-10-15 15:09:26,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 15:09:26,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-10-15 15:09:26,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 15:09:26,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-10-15 15:09:26,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=1545, Unknown=0, NotChecked=0, Total=1980 [2024-10-15 15:09:26,773 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) [2024-10-15 15:09:27,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 15:09:27,634 INFO L93 Difference]: Finished difference Result 292 states and 611 transitions. [2024-10-15 15:09:27,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-10-15 15:09:27,636 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 [2024-10-15 15:09:27,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 15:09:27,640 INFO L225 Difference]: With dead ends: 292 [2024-10-15 15:09:27,640 INFO L226 Difference]: Without dead ends: 163 [2024-10-15 15:09:27,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2040 GetRequests, 1955 SyntacticMatches, 10 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2124 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1252, Invalid=4600, Unknown=0, NotChecked=0, Total=5852 [2024-10-15 15:09:27,644 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 237 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-15 15:09:27,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 358 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-15 15:09:27,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-10-15 15:09:27,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 139. [2024-10-15 15:09:27,668 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) [2024-10-15 15:09:27,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2024-10-15 15:09:27,670 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 858 [2024-10-15 15:09:27,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 15:09:27,673 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2024-10-15 15:09:27,674 INFO L472 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) [2024-10-15 15:09:27,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:27,674 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2024-10-15 15:09:27,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2024-10-15 15:09:27,678 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 15:09:27,678 INFO L215 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] [2024-10-15 15:09:27,697 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-15 15:09:27,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 15:09:27,880 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 15:09:27,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:27,880 INFO L85 PathProgramCache]: Analyzing trace with hash -2072743553, now seen corresponding path program 8 times [2024-10-15 15:09:27,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 15:09:27,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330369485] [2024-10-15 15:09:27,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 15:09:27,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 15:09:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:32,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 15:09:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:32,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-15 15:09:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:36,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:37,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-15 15:09:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:38,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-15 15:09:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-15 15:09:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-15 15:09:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:39,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-10-15 15:09:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-15 15:09:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-15 15:09:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:40,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:41,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:41,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:41,009 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-10-15 15:09:41,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 15:09:41,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330369485] [2024-10-15 15:09:41,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330369485] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 15:09:41,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438272290] [2024-10-15 15:09:41,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-15 15:09:41,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 15:09:41,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-10-15 15:09:41,011 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) [2024-10-15 15:09:41,011 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-15 15:09:41,304 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-15 15:09:41,305 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-15 15:09:41,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 1682 conjuncts, 439 conjuncts are in the unsatisfiable core [2024-10-15 15:09:41,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 15:09:42,006 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-10-15 15:09:42,006 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 15:09:45,775 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-10-15 15:09:45,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438272290] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 15:09:45,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 15:09:45,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 36 [2024-10-15 15:09:45,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153003921] [2024-10-15 15:09:45,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 15:09:45,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-10-15 15:09:45,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 15:09:45,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-10-15 15:09:45,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2024-10-15 15:09:45,778 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) [2024-10-15 15:09:46,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 15:09:46,083 INFO L93 Difference]: Finished difference Result 152 states and 204 transitions. [2024-10-15 15:09:46,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-15 15:09:46,084 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 [2024-10-15 15:09:46,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 15:09:46,087 INFO L225 Difference]: With dead ends: 152 [2024-10-15 15:09:46,087 INFO L226 Difference]: Without dead ends: 148 [2024-10-15 15:09:46,087 INFO L431 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 [2024-10-15 15:09:46,088 INFO L432 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 [2024-10-15 15:09:46,088 INFO L433 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] [2024-10-15 15:09:46,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-10-15 15:09:46,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 147. [2024-10-15 15:09:46,106 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) [2024-10-15 15:09:46,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 196 transitions. [2024-10-15 15:09:46,108 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 196 transitions. Word has length 749 [2024-10-15 15:09:46,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 15:09:46,109 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 196 transitions. [2024-10-15 15:09:46,109 INFO L472 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) [2024-10-15 15:09:46,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:46,109 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2024-10-15 15:09:46,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 927 [2024-10-15 15:09:46,115 INFO L207 NwaCegarLoop]: Found error trace [2024-10-15 15:09:46,115 INFO L215 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] [2024-10-15 15:09:46,131 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-15 15:09:46,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-15 15:09:46,316 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-15 15:09:46,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:46,317 INFO L85 PathProgramCache]: Analyzing trace with hash -562081978, now seen corresponding path program 9 times [2024-10-15 15:09:46,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 15:09:46,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139111219] [2024-10-15 15:09:46,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 15:09:46,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 15:09:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:46,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-15 15:09:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:46,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-15 15:09:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:47,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:47,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:47,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:47,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-15 15:09:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-15 15:09:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-15 15:09:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-15 15:09:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-10-15 15:09:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-15 15:09:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2024-10-15 15:09:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-15 15:09:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-15 15:09:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-15 15:09:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-15 15:09:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-15 15:09:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-15 15:09:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-15 15:09:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 15:09:48,761 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3313 proven. 5871 refuted. 0 times theorem prover too weak. 41726 trivial. 0 not checked. [2024-10-15 15:09:48,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 15:09:48,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139111219] [2024-10-15 15:09:48,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139111219] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 15:09:48,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202717679] [2024-10-15 15:09:48,762 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-15 15:09:48,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 15:09:48,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-10-15 15:09:48,763 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) [2024-10-15 15:09:48,764 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-15 15:09:49,005 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 36 check-sat command(s) [2024-10-15 15:09:49,005 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-15 15:09:49,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-15 15:09:49,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 15:09:49,199 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1209 proven. 5377 refuted. 0 times theorem prover too weak. 44324 trivial. 0 not checked. [2024-10-15 15:09:49,199 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 15:09:54,067 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1201 proven. 5477 refuted. 0 times theorem prover too weak. 44232 trivial. 0 not checked. [2024-10-15 15:09:54,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202717679] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 15:09:54,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 15:09:54,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 14, 22] total 43 [2024-10-15 15:09:54,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913976957] [2024-10-15 15:09:54,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 15:09:54,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-10-15 15:09:54,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 15:09:54,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-10-15 15:09:54,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=415, Invalid=1391, Unknown=0, NotChecked=0, Total=1806 [2024-10-15 15:09:54,072 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) [2024-10-15 15:09:54,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 15:09:54,539 INFO L93 Difference]: Finished difference Result 290 states and 403 transitions. [2024-10-15 15:09:54,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-15 15:09:54,540 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 [2024-10-15 15:09:54,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-15 15:09:54,542 INFO L225 Difference]: With dead ends: 290 [2024-10-15 15:09:54,542 INFO L226 Difference]: Without dead ends: 0 [2024-10-15 15:09:54,544 INFO L431 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 [2024-10-15 15:09:54,545 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 122 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-15 15:09:54,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 336 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-15 15:09:54,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-15 15:09:54,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-15 15:09:54,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 15:09:54,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-15 15:09:54,546 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 926 [2024-10-15 15:09:54,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-15 15:09:54,547 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 15:09:54,547 INFO L472 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) [2024-10-15 15:09:54,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 15:09:54,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-15 15:09:54,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-15 15:09:54,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-15 15:09:54,566 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-15 15:09:54,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-15 15:09:54,753 INFO L407 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1] [2024-10-15 15:09:54,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-15 15:09:58,577 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-15 15:09:58,602 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-15 15:09:58,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:09:58 BoogieIcfgContainer [2024-10-15 15:09:58,607 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-15 15:09:58,607 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 15:09:58,607 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 15:09:58,608 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 15:09:58,608 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:09:01" (3/4) ... [2024-10-15 15:09:58,610 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-15 15:09:58,658 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.yml [2024-10-15 15:09:58,658 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 15:09:58,659 INFO L158 Benchmark]: Toolchain (without parser) took 57903.49ms. Allocated memory was 146.8MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 99.4MB in the beginning and 850.0MB in the end (delta: -750.5MB). Peak memory consumption was 878.7MB. Max. memory is 16.1GB. [2024-10-15 15:09:58,659 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:09:58,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.27ms. Allocated memory is still 146.8MB. Free memory was 99.4MB in the beginning and 87.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:09:58,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.52ms. Allocated memory is still 146.8MB. Free memory was 87.2MB in the beginning and 86.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:09:58,659 INFO L158 Benchmark]: Boogie Preprocessor took 23.04ms. Allocated memory is still 146.8MB. Free memory was 86.1MB in the beginning and 84.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:09:58,660 INFO L158 Benchmark]: RCFGBuilder took 267.08ms. Allocated memory is still 146.8MB. Free memory was 84.8MB in the beginning and 73.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:09:58,661 INFO L158 Benchmark]: TraceAbstraction took 57290.87ms. Allocated memory was 146.8MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 72.6MB in the beginning and 852.1MB in the end (delta: -779.4MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-10-15 15:09:58,661 INFO L158 Benchmark]: Witness Printer took 50.68ms. Allocated memory is still 1.8GB. Free memory was 852.1MB in the beginning and 850.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:09:58,662 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.27ms. Allocated memory is still 146.8MB. Free memory was 99.4MB in the beginning and 87.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 16.52ms. Allocated memory is still 146.8MB. Free memory was 87.2MB in the beginning and 86.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.04ms. Allocated memory is still 146.8MB. Free memory was 86.1MB in the beginning and 84.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 267.08ms. Allocated memory is still 146.8MB. Free memory was 84.8MB in the beginning and 73.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 57290.87ms. Allocated memory was 146.8MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 72.6MB in the beginning and 852.1MB in the end (delta: -779.4MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 50.68ms. Allocated memory is still 1.8GB. Free memory was 852.1MB in the beginning and 850.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 33]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 53.4s, OverallIterations: 12, TraceHistogramMax: 135, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.1s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 939 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 887 mSDsluCounter, 2711 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2380 mSDsCounter, 827 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3872 IncrementalHoareTripleChecker+Invalid, 4699 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 827 mSolverCounterUnsat, 331 mSDtfsCounter, 3872 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, 45.1s InterpolantComputationTime, 7485 NumberOfCodeBlocks, 6483 NumberOfCodeBlocksAsserted, 131 NumberOfCheckSat, 11182 ConstructedInterpolants, 0 QuantifiedInterpolants, 17429 SizeOfPredicates, 40 NumberOfNonLiveVariables, 6202 ConjunctsInSsa, 552 ConjunctsInUnsatCore, 32 InterpolantComputations, 2 PerfectInterpolantSequences, 382855/453612 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 16]: Procedure Contract for fibonacci Derived contract for procedure fibonacci. Ensures: ((\result == 0) || (0 < n)) RESULT: Ultimate proved your program to be correct! [2024-10-15 15:09:58,694 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE