./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 6908dde5 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 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:04:38,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:04:38,493 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-25 00:04:38,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:04:38,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:04:38,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:04:38,533 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:04:38,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:04:38,534 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:04:38,536 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:04:38,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:04:38,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:04:38,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:04:38,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:04:38,540 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:04:38,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:04:38,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:04:38,541 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:04:38,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:04:38,541 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:04:38,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:04:38,545 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:04:38,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:04:38,546 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:04:38,546 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:04:38,546 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:04:38,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:04:38,547 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:04:38,547 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:04:38,548 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:04:38,548 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:04:38,549 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:04:38,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:04:38,549 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:04:38,549 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:04:38,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:04:38,550 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:04:38,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:04:38,550 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:04:38,550 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:04:38,550 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:04:38,552 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:04:38,552 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/automizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Generate GraphML witnesses -> false [2024-09-25 00:04:38,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:04:38,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:04:38,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:04:38,866 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:04:38,866 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:04:38,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/recursive/Fibonacci02.c [2024-09-25 00:04:40,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:04:40,560 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:04:40,560 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/Fibonacci02.c [2024-09-25 00:04:40,567 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/34bd3d7bf/cd3c1d1253c3448fbb6071231e2a7105/FLAG23e762ecf [2024-09-25 00:04:40,966 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/34bd3d7bf/cd3c1d1253c3448fbb6071231e2a7105 [2024-09-25 00:04:40,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:04:40,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-25 00:04:40,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:04:40,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:04:40,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:04:40,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:04:40" (1/1) ... [2024-09-25 00:04:40,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@448642f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:40, skipping insertion in model container [2024-09-25 00:04:40,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:04:40" (1/1) ... [2024-09-25 00:04:41,002 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:04:41,173 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/Fibonacci02.c[715,728] [2024-09-25 00:04:41,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:04:41,201 INFO L200 MainTranslator]: Completed pre-run [2024-09-25 00:04:41,218 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/Fibonacci02.c[715,728] [2024-09-25 00:04:41,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:04:41,237 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:04:41,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:41 WrapperNode [2024-09-25 00:04:41,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:04:41,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-25 00:04:41,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-25 00:04:41,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-25 00:04:41,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:41" (1/1) ... [2024-09-25 00:04:41,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:41" (1/1) ... [2024-09-25 00:04:41,260 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-25 00:04:41,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-25 00:04:41,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:04:41,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:04:41,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:04:41,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:41" (1/1) ... [2024-09-25 00:04:41,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:41" (1/1) ... [2024-09-25 00:04:41,274 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:41" (1/1) ... [2024-09-25 00:04:41,292 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-25 00:04:41,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:41" (1/1) ... [2024-09-25 00:04:41,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:41" (1/1) ... [2024-09-25 00:04:41,297 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:41" (1/1) ... [2024-09-25 00:04:41,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:41" (1/1) ... [2024-09-25 00:04:41,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:41" (1/1) ... [2024-09-25 00:04:41,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:41" (1/1) ... [2024-09-25 00:04:41,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:04:41,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:04:41,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:04:41,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:04:41,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:41" (1/1) ... [2024-09-25 00:04:41,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:04:41,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:04:41,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 00:04:41,341 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 00:04:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2024-09-25 00:04:41,391 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2024-09-25 00:04:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:04:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:04:41,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:04:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:04:41,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:04:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:04:41,394 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:04:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-25 00:04:41,466 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:04:41,468 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:04:41,635 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-09-25 00:04:41,636 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:04:41,659 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:04:41,659 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 00:04:41,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:04:41 BoogieIcfgContainer [2024-09-25 00:04:41,660 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:04:41,662 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-25 00:04:41,662 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-25 00:04:41,665 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-25 00:04:41,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:04:40" (1/3) ... [2024-09-25 00:04:41,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c87ee2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:04:41, skipping insertion in model container [2024-09-25 00:04:41,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:04:41" (2/3) ... [2024-09-25 00:04:41,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c87ee2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:04:41, skipping insertion in model container [2024-09-25 00:04:41,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:04:41" (3/3) ... [2024-09-25 00:04:41,668 INFO L112 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2024-09-25 00:04:41,699 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-25 00:04:41,699 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-25 00:04:41,776 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-25 00:04:41,782 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4fbf79da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-25 00:04:41,783 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-25 00:04:41,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-09-25 00:04:41,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-09-25 00:04:41,793 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:04:41,794 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:04:41,794 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:04:41,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:04:41,803 INFO L85 PathProgramCache]: Analyzing trace with hash -351828897, now seen corresponding path program 1 times [2024-09-25 00:04:41,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:04:41,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211004181] [2024-09-25 00:04:41,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:04:41,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:04:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:42,023 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:04:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:42,034 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 00:04:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:42,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-25 00:04:42,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:04:42,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211004181] [2024-09-25 00:04:42,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211004181] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-25 00:04:42,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-25 00:04:42,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-25 00:04:42,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766459901] [2024-09-25 00:04:42,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-25 00:04:42,150 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-25 00:04:42,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:04:42,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-25 00:04:42,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-25 00:04:42,184 INFO L87 Difference]: Start difference. First operand has 23 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-25 00:04:42,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:04:42,289 INFO L93 Difference]: Finished difference Result 35 states and 43 transitions. [2024-09-25 00:04:42,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-25 00:04:42,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2024-09-25 00:04:42,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:04:42,304 INFO L225 Difference]: With dead ends: 35 [2024-09-25 00:04:42,304 INFO L226 Difference]: Without dead ends: 23 [2024-09-25 00:04:42,308 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-25 00:04:42,312 INFO L434 NwaCegarLoop]: 20 mSDtfsCounter, 10 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-25 00:04:42,313 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 60 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-25 00:04:42,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-09-25 00:04:42,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-09-25 00:04:42,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-09-25 00:04:42,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-09-25 00:04:42,405 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2024-09-25 00:04:42,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:04:42,406 INFO L474 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-09-25 00:04:42,406 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-25 00:04:42,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:04:42,407 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-09-25 00:04:42,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-09-25 00:04:42,409 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:04:42,409 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:04:42,410 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-25 00:04:42,410 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:04:42,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:04:42,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1624511627, now seen corresponding path program 1 times [2024-09-25 00:04:42,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:04:42,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418649038] [2024-09-25 00:04:42,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:04:42,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:04:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:42,491 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:04:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:42,504 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 00:04:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-25 00:04:42,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:04:42,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418649038] [2024-09-25 00:04:42,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418649038] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-25 00:04:42,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-25 00:04:42,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-25 00:04:42,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30356871] [2024-09-25 00:04:42,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-25 00:04:42,558 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-25 00:04:42,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:04:42,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-25 00:04:42,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-25 00:04:42,562 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-25 00:04:42,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:04:42,650 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-09-25 00:04:42,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-25 00:04:42,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-09-25 00:04:42,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:04:42,653 INFO L225 Difference]: With dead ends: 27 [2024-09-25 00:04:42,653 INFO L226 Difference]: Without dead ends: 23 [2024-09-25 00:04:42,654 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-25 00:04:42,656 INFO L434 NwaCegarLoop]: 15 mSDtfsCounter, 7 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-25 00:04:42,657 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 42 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-25 00:04:42,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-09-25 00:04:42,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-09-25 00:04:42,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-09-25 00:04:42,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2024-09-25 00:04:42,672 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2024-09-25 00:04:42,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:04:42,674 INFO L474 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-09-25 00:04:42,674 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-25 00:04:42,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:04:42,675 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-09-25 00:04:42,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-09-25 00:04:42,676 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:04:42,676 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:04:42,676 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-25 00:04:42,677 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:04:42,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:04:42,678 INFO L85 PathProgramCache]: Analyzing trace with hash -401354712, now seen corresponding path program 1 times [2024-09-25 00:04:42,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:04:42,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537643780] [2024-09-25 00:04:42,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:04:42,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:04:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:42,753 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:04:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:42,759 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 00:04:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:42,827 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:42,857 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-09-25 00:04:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:42,863 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-25 00:04:42,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:04:42,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537643780] [2024-09-25 00:04:42,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537643780] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:04:42,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133845782] [2024-09-25 00:04:42,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:04:42,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:04:42,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:04:42,874 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-25 00:04:42,892 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-25 00:04:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:42,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-25 00:04:42,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:04:43,082 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-25 00:04:43,083 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:04:43,364 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-25 00:04:43,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133845782] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:04:43,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:04:43,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 12 [2024-09-25 00:04:43,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852774289] [2024-09-25 00:04:43,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:04:43,369 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-25 00:04:43,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:04:43,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-25 00:04:43,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-09-25 00:04:43,370 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (10), 1 states have call predecessors, (10), 4 states have return successors, (9), 3 states have call predecessors, (9), 8 states have call successors, (9) [2024-09-25 00:04:43,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:04:43,485 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2024-09-25 00:04:43,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-25 00:04:43,486 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (10), 1 states have call predecessors, (10), 4 states have return successors, (9), 3 states have call predecessors, (9), 8 states have call successors, (9) Word has length 26 [2024-09-25 00:04:43,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:04:43,487 INFO L225 Difference]: With dead ends: 38 [2024-09-25 00:04:43,488 INFO L226 Difference]: Without dead ends: 23 [2024-09-25 00:04:43,489 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-09-25 00:04:43,491 INFO L434 NwaCegarLoop]: 15 mSDtfsCounter, 23 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-25 00:04:43,493 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 45 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-25 00:04:43,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-09-25 00:04:43,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-09-25 00:04:43,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-09-25 00:04:43,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2024-09-25 00:04:43,508 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 26 [2024-09-25 00:04:43,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:04:43,510 INFO L474 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2024-09-25 00:04:43,510 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (10), 1 states have call predecessors, (10), 4 states have return successors, (9), 3 states have call predecessors, (9), 8 states have call successors, (9) [2024-09-25 00:04:43,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:04:43,513 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-09-25 00:04:43,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-09-25 00:04:43,514 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:04:43,514 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:04:43,533 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-09-25 00:04:43,715 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:04:43,716 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:04:43,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:04:43,717 INFO L85 PathProgramCache]: Analyzing trace with hash 301246430, now seen corresponding path program 1 times [2024-09-25 00:04:43,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:04:43,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665567716] [2024-09-25 00:04:43,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:04:43,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:04:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:43,787 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:04:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:43,795 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 00:04:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:43,898 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:43,934 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:43,945 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-25 00:04:43,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:04:43,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665567716] [2024-09-25 00:04:43,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665567716] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:04:43,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478190734] [2024-09-25 00:04:43,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:04:43,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:04:43,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:04:43,951 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-25 00:04:43,954 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-25 00:04:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:44,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-25 00:04:44,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:04:44,067 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-25 00:04:44,068 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:04:44,284 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-25 00:04:44,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478190734] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:04:44,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:04:44,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 11 [2024-09-25 00:04:44,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634984858] [2024-09-25 00:04:44,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:04:44,286 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-25 00:04:44,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:04:44,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-25 00:04:44,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-09-25 00:04:44,287 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-09-25 00:04:44,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:04:44,433 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2024-09-25 00:04:44,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-25 00:04:44,434 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Word has length 27 [2024-09-25 00:04:44,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:04:44,436 INFO L225 Difference]: With dead ends: 41 [2024-09-25 00:04:44,436 INFO L226 Difference]: Without dead ends: 37 [2024-09-25 00:04:44,436 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-09-25 00:04:44,437 INFO L434 NwaCegarLoop]: 20 mSDtfsCounter, 21 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-25 00:04:44,439 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 83 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-25 00:04:44,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-09-25 00:04:44,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-09-25 00:04:44,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 24 states have internal predecessors, (26), 8 states have call successors, (8), 4 states have call predecessors, (8), 6 states have return successors, (17), 8 states have call predecessors, (17), 7 states have call successors, (17) [2024-09-25 00:04:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2024-09-25 00:04:44,457 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 27 [2024-09-25 00:04:44,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:04:44,458 INFO L474 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2024-09-25 00:04:44,458 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-09-25 00:04:44,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:04:44,459 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2024-09-25 00:04:44,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-09-25 00:04:44,461 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:04:44,461 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:04:44,478 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-25 00:04:44,665 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:04:44,666 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:04:44,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:04:44,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1626117641, now seen corresponding path program 2 times [2024-09-25 00:04:44,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:04:44,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382608811] [2024-09-25 00:04:44,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:04:44,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:04:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:44,732 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:04:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:44,736 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 00:04:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:44,788 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:44,868 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:44,879 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:44,886 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:44,912 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-09-25 00:04:44,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:04:44,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382608811] [2024-09-25 00:04:44,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382608811] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:04:44,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975348676] [2024-09-25 00:04:44,914 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-25 00:04:44,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:04:44,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:04:44,916 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-25 00:04:44,918 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-25 00:04:44,970 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-25 00:04:44,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:04:44,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-25 00:04:44,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:04:45,078 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-09-25 00:04:45,078 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:04:45,463 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-09-25 00:04:45,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975348676] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:04:45,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:04:45,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 9] total 17 [2024-09-25 00:04:45,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718796764] [2024-09-25 00:04:45,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:04:45,464 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-25 00:04:45,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:04:45,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-25 00:04:45,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-09-25 00:04:45,466 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (14), 1 states have call predecessors, (14), 7 states have return successors, (14), 7 states have call predecessors, (14), 10 states have call successors, (14) [2024-09-25 00:04:45,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:04:45,671 INFO L93 Difference]: Finished difference Result 72 states and 109 transitions. [2024-09-25 00:04:45,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-25 00:04:45,672 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (14), 1 states have call predecessors, (14), 7 states have return successors, (14), 7 states have call predecessors, (14), 10 states have call successors, (14) Word has length 40 [2024-09-25 00:04:45,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:04:45,673 INFO L225 Difference]: With dead ends: 72 [2024-09-25 00:04:45,676 INFO L226 Difference]: Without dead ends: 41 [2024-09-25 00:04:45,677 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 84 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2024-09-25 00:04:45,678 INFO L434 NwaCegarLoop]: 18 mSDtfsCounter, 41 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-25 00:04:45,678 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 91 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-25 00:04:45,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-09-25 00:04:45,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-09-25 00:04:45,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 states have internal predecessors, (30), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) [2024-09-25 00:04:45,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2024-09-25 00:04:45,688 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 40 [2024-09-25 00:04:45,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:04:45,689 INFO L474 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2024-09-25 00:04:45,689 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (14), 1 states have call predecessors, (14), 7 states have return successors, (14), 7 states have call predecessors, (14), 10 states have call successors, (14) [2024-09-25 00:04:45,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:04:45,690 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-09-25 00:04:45,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-09-25 00:04:45,691 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:04:45,692 INFO L216 NwaCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:04:45,710 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-25 00:04:45,892 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:04:45,893 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:04:45,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:04:45,893 INFO L85 PathProgramCache]: Analyzing trace with hash -506127720, now seen corresponding path program 3 times [2024-09-25 00:04:45,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:04:45,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027924939] [2024-09-25 00:04:45,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:04:45,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:04:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:45,985 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:04:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:45,991 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 00:04:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:46,100 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:46,171 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:46,211 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:46,230 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:46,237 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:46,242 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:04:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:46,260 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:46,265 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:46,268 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:46,271 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:46,274 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 22 proven. 127 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-09-25 00:04:46,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:04:46,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027924939] [2024-09-25 00:04:46,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027924939] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:04:46,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977515883] [2024-09-25 00:04:46,277 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-25 00:04:46,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:04:46,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:04:46,280 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-25 00:04:46,283 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-25 00:04:46,335 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-09-25 00:04:46,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:04:46,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-25 00:04:46,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:04:46,410 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 32 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-09-25 00:04:46,411 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:04:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 41 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-09-25 00:04:46,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977515883] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:04:46,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:04:46,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 9] total 17 [2024-09-25 00:04:46,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321291923] [2024-09-25 00:04:46,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:04:46,811 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-25 00:04:46,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:04:46,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-25 00:04:46,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-09-25 00:04:46,812 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 10 states have call successors, (16), 1 states have call predecessors, (16), 6 states have return successors, (19), 12 states have call predecessors, (19), 10 states have call successors, (19) [2024-09-25 00:04:47,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:04:47,007 INFO L93 Difference]: Finished difference Result 97 states and 143 transitions. [2024-09-25 00:04:47,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-25 00:04:47,008 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 10 states have call successors, (16), 1 states have call predecessors, (16), 6 states have return successors, (19), 12 states have call predecessors, (19), 10 states have call successors, (19) Word has length 82 [2024-09-25 00:04:47,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:04:47,016 INFO L225 Difference]: With dead ends: 97 [2024-09-25 00:04:47,017 INFO L226 Difference]: Without dead ends: 93 [2024-09-25 00:04:47,017 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 179 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-09-25 00:04:47,018 INFO L434 NwaCegarLoop]: 21 mSDtfsCounter, 46 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-25 00:04:47,018 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 94 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-25 00:04:47,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-09-25 00:04:47,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2024-09-25 00:04:47,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.1607142857142858) internal successors, (65), 55 states have internal predecessors, (65), 18 states have call successors, (18), 9 states have call predecessors, (18), 12 states have return successors, (44), 22 states have call predecessors, (44), 17 states have call successors, (44) [2024-09-25 00:04:47,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2024-09-25 00:04:47,043 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 82 [2024-09-25 00:04:47,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:04:47,043 INFO L474 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2024-09-25 00:04:47,044 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 10 states have call successors, (16), 1 states have call predecessors, (16), 6 states have return successors, (19), 12 states have call predecessors, (19), 10 states have call successors, (19) [2024-09-25 00:04:47,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:04:47,044 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2024-09-25 00:04:47,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-09-25 00:04:47,050 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:04:47,050 INFO L216 NwaCegarLoop]: trace histogram [29, 29, 23, 14, 14, 14, 14, 14, 14, 14, 9, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:04:47,069 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-25 00:04:47,250 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:04:47,251 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:04:47,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:04:47,251 INFO L85 PathProgramCache]: Analyzing trace with hash 468078537, now seen corresponding path program 4 times [2024-09-25 00:04:47,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:04:47,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881778802] [2024-09-25 00:04:47,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:04:47,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:04:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:47,561 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:04:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:47,564 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 00:04:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:47,831 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:47,943 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,013 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,061 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,102 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,122 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,128 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,136 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:04:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,148 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,151 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,154 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:04:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,167 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,172 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,174 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,176 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,179 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 00:04:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,390 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,453 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,462 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,467 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,469 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,471 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,474 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:04:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,530 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,534 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,538 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:04:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,545 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,547 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:48,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 393 proven. 617 refuted. 0 times theorem prover too weak. 1231 trivial. 0 not checked. [2024-09-25 00:04:48,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:04:48,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881778802] [2024-09-25 00:04:48,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881778802] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:04:48,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063529418] [2024-09-25 00:04:48,551 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-25 00:04:48,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:04:48,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:04:48,553 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-25 00:04:48,555 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-25 00:04:48,648 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-25 00:04:48,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:04:48,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-25 00:04:48,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:04:48,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 103 proven. 653 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2024-09-25 00:04:48,748 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:04:50,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 103 proven. 693 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2024-09-25 00:04:50,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063529418] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:04:50,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:04:50,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10, 15] total 29 [2024-09-25 00:04:50,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600626883] [2024-09-25 00:04:50,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:04:50,296 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-25 00:04:50,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:04:50,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-25 00:04:50,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-09-25 00:04:50,298 INFO L87 Difference]: Start difference. First operand 87 states and 127 transitions. Second operand has 29 states, 27 states have (on average 2.740740740740741) internal successors, (74), 29 states have internal predecessors, (74), 22 states have call successors, (27), 1 states have call predecessors, (27), 11 states have return successors, (37), 18 states have call predecessors, (37), 22 states have call successors, (37) [2024-09-25 00:04:50,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:04:50,750 INFO L93 Difference]: Finished difference Result 173 states and 318 transitions. [2024-09-25 00:04:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-25 00:04:50,751 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 2.740740740740741) internal successors, (74), 29 states have internal predecessors, (74), 22 states have call successors, (27), 1 states have call predecessors, (27), 11 states have return successors, (37), 18 states have call predecessors, (37), 22 states have call successors, (37) Word has length 204 [2024-09-25 00:04:50,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:04:50,753 INFO L225 Difference]: With dead ends: 173 [2024-09-25 00:04:50,754 INFO L226 Difference]: Without dead ends: 90 [2024-09-25 00:04:50,756 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 454 SyntacticMatches, 6 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 615 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=472, Invalid=1334, Unknown=0, NotChecked=0, Total=1806 [2024-09-25 00:04:50,757 INFO L434 NwaCegarLoop]: 23 mSDtfsCounter, 120 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-25 00:04:50,757 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 145 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-25 00:04:50,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-09-25 00:04:50,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 80. [2024-09-25 00:04:50,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 53 states have internal predecessors, (61), 16 states have call successors, (16), 12 states have call predecessors, (16), 9 states have return successors, (32), 14 states have call predecessors, (32), 15 states have call successors, (32) [2024-09-25 00:04:50,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2024-09-25 00:04:50,775 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 204 [2024-09-25 00:04:50,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:04:50,776 INFO L474 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2024-09-25 00:04:50,776 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 2.740740740740741) internal successors, (74), 29 states have internal predecessors, (74), 22 states have call successors, (27), 1 states have call predecessors, (27), 11 states have return successors, (37), 18 states have call predecessors, (37), 22 states have call successors, (37) [2024-09-25 00:04:50,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:04:50,777 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2024-09-25 00:04:50,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-09-25 00:04:50,787 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:04:50,787 INFO L216 NwaCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:04:50,809 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-25 00:04:50,988 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-09-25 00:04:50,989 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:04:50,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:04:50,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1027905163, now seen corresponding path program 5 times [2024-09-25 00:04:50,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:04:50,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129597881] [2024-09-25 00:04:50,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:04:50,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:04:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:51,275 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:04:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:51,277 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 00:04:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:51,576 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:51,715 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:51,800 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:51,854 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:51,917 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:51,956 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:51,976 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:51,981 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:51,986 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:04:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:51,994 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:51,997 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:51,999 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:04:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,013 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,018 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,020 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,023 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,025 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 00:04:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,046 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,053 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,058 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,061 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,063 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,066 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:04:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,070 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,073 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,076 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-25 00:04:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,100 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,108 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,114 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,119 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,121 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,123 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,126 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:04:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,130 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,132 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,134 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:04:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,139 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,143 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,146 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,148 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:52,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 189 proven. 1130 refuted. 0 times theorem prover too weak. 3249 trivial. 0 not checked. [2024-09-25 00:04:52,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:04:52,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129597881] [2024-09-25 00:04:52,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129597881] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:04:52,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345589583] [2024-09-25 00:04:52,152 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-25 00:04:52,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:04:52,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:04:52,155 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-25 00:04:52,157 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-25 00:04:52,326 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 41 check-sat command(s) [2024-09-25 00:04:52,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:04:52,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-25 00:04:52,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:04:52,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 818 proven. 334 refuted. 0 times theorem prover too weak. 3416 trivial. 0 not checked. [2024-09-25 00:04:52,413 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:04:53,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 826 proven. 366 refuted. 0 times theorem prover too weak. 3376 trivial. 0 not checked. [2024-09-25 00:04:53,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345589583] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:04:53,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:04:53,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 15] total 25 [2024-09-25 00:04:53,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568655088] [2024-09-25 00:04:53,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:04:53,963 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-09-25 00:04:53,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:04:53,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-09-25 00:04:53,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-09-25 00:04:53,965 INFO L87 Difference]: Start difference. First operand 80 states and 109 transitions. Second operand has 25 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 25 states have internal predecessors, (65), 20 states have call successors, (25), 1 states have call predecessors, (25), 8 states have return successors, (33), 16 states have call predecessors, (33), 20 states have call successors, (33) [2024-09-25 00:04:54,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:04:54,205 INFO L93 Difference]: Finished difference Result 250 states and 377 transitions. [2024-09-25 00:04:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-25 00:04:54,206 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 25 states have internal predecessors, (65), 20 states have call successors, (25), 1 states have call predecessors, (25), 8 states have return successors, (33), 16 states have call predecessors, (33), 20 states have call successors, (33) Word has length 286 [2024-09-25 00:04:54,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:04:54,212 INFO L225 Difference]: With dead ends: 250 [2024-09-25 00:04:54,214 INFO L226 Difference]: Without dead ends: 246 [2024-09-25 00:04:54,215 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 642 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2024-09-25 00:04:54,216 INFO L434 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 [2024-09-25 00:04:54,217 INFO L435 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] [2024-09-25 00:04:54,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-09-25 00:04:54,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 231. [2024-09-25 00:04:54,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 155 states have (on average 1.135483870967742) internal successors, (176), 151 states have internal predecessors, (176), 50 states have call successors, (50), 28 states have call predecessors, (50), 25 states have return successors, (123), 51 states have call predecessors, (123), 49 states have call successors, (123) [2024-09-25 00:04:54,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 349 transitions. [2024-09-25 00:04:54,278 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 349 transitions. Word has length 286 [2024-09-25 00:04:54,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:04:54,278 INFO L474 AbstractCegarLoop]: Abstraction has 231 states and 349 transitions. [2024-09-25 00:04:54,279 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 25 states have internal predecessors, (65), 20 states have call successors, (25), 1 states have call predecessors, (25), 8 states have return successors, (33), 16 states have call predecessors, (33), 20 states have call successors, (33) [2024-09-25 00:04:54,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:04:54,279 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 349 transitions. [2024-09-25 00:04:54,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2024-09-25 00:04:54,290 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:04:54,290 INFO L216 NwaCegarLoop]: trace histogram [77, 77, 62, 38, 38, 38, 38, 38, 38, 38, 24, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:04:54,310 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-09-25 00:04:54,491 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:04:54,491 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:04:54,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:04:54,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1694340825, now seen corresponding path program 6 times [2024-09-25 00:04:54,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:04:54,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326274303] [2024-09-25 00:04:54,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:04:54,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:04:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:55,085 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:04:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:55,088 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 00:04:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:55,712 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:55,945 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,060 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,133 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,184 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,221 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,258 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,279 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,284 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,289 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:04:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,296 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,298 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,299 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:04:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,310 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,317 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,319 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,321 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,322 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 00:04:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,340 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,345 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,348 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,350 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,352 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,353 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:04:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,356 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,358 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,359 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-25 00:04:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,381 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,409 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,416 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,419 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,421 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,422 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,423 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:04:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,426 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,427 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,428 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:04:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,432 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,434 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,436 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,437 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,439 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-25 00:04:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,630 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,751 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,852 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,897 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,905 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,911 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,913 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,915 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,917 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:04:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,985 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,989 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:56,993 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:04:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,005 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,009 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,011 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,013 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,015 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 00:04:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,035 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,041 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,046 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,050 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,052 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,054 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:04:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,057 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,058 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,060 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-25 00:04:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,094 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,116 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,135 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,143 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,147 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:04:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,150 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:04:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,157 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:04:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,159 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:04:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:04:57,166 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 2818 proven. 2810 refuted. 0 times theorem prover too weak. 10779 trivial. 0 not checked. [2024-09-25 00:04:57,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:04:57,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326274303] [2024-09-25 00:04:57,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326274303] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:04:57,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424700666] [2024-09-25 00:04:57,167 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-25 00:04:57,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:04:57,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:04:57,169 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-25 00:04:57,171 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-25 00:04:57,343 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2024-09-25 00:04:57,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:04:57,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-25 00:04:57,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:04:57,486 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 533 proven. 2177 refuted. 0 times theorem prover too weak. 13697 trivial. 0 not checked. [2024-09-25 00:04:57,486 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:04:59,862 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 537 proven. 2230 refuted. 0 times theorem prover too weak. 13640 trivial. 0 not checked. [2024-09-25 00:04:59,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424700666] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:04:59,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:04:59,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 11, 17] total 36 [2024-09-25 00:04:59,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140789357] [2024-09-25 00:04:59,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:04:59,864 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-25 00:04:59,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:04:59,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-25 00:04:59,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=953, Unknown=0, NotChecked=0, Total=1260 [2024-09-25 00:04:59,867 INFO L87 Difference]: Start difference. First operand 231 states and 349 transitions. Second operand has 36 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 36 states have internal predecessors, (88), 26 states have call successors, (33), 1 states have call predecessors, (33), 14 states have return successors, (48), 27 states have call predecessors, (48), 26 states have call successors, (48) [2024-09-25 00:05:00,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:05:00,489 INFO L93 Difference]: Finished difference Result 365 states and 660 transitions. [2024-09-25 00:05:00,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-25 00:05:00,490 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 36 states have internal predecessors, (88), 26 states have call successors, (33), 1 states have call predecessors, (33), 14 states have return successors, (48), 27 states have call predecessors, (48), 26 states have call successors, (48) Word has length 531 [2024-09-25 00:05:00,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:05:00,493 INFO L225 Difference]: With dead ends: 365 [2024-09-25 00:05:00,493 INFO L226 Difference]: Without dead ends: 148 [2024-09-25 00:05:00,496 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1275 GetRequests, 1210 SyntacticMatches, 8 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1177 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=831, Invalid=2591, Unknown=0, NotChecked=0, Total=3422 [2024-09-25 00:05:00,496 INFO L434 NwaCegarLoop]: 33 mSDtfsCounter, 190 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-25 00:05:00,497 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 266 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-25 00:05:00,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-09-25 00:05:00,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 119. [2024-09-25 00:05:00,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 82 states have (on average 1.0853658536585367) internal successors, (89), 80 states have internal predecessors, (89), 25 states have call successors, (25), 19 states have call predecessors, (25), 11 states have return successors, (56), 19 states have call predecessors, (56), 24 states have call successors, (56) [2024-09-25 00:05:00,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 170 transitions. [2024-09-25 00:05:00,521 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 170 transitions. Word has length 531 [2024-09-25 00:05:00,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:05:00,523 INFO L474 AbstractCegarLoop]: Abstraction has 119 states and 170 transitions. [2024-09-25 00:05:00,523 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 36 states have internal predecessors, (88), 26 states have call successors, (33), 1 states have call predecessors, (33), 14 states have return successors, (48), 27 states have call predecessors, (48), 26 states have call successors, (48) [2024-09-25 00:05:00,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:00,524 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 170 transitions. [2024-09-25 00:05:00,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2024-09-25 00:05:00,547 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:05:00,547 INFO L216 NwaCegarLoop]: trace histogram [125, 125, 101, 62, 62, 62, 62, 62, 62, 62, 39, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:05:00,567 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-25 00:05:00,748 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:00,748 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:05:00,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:00,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1852929859, now seen corresponding path program 7 times [2024-09-25 00:05:00,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:05:00,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60690616] [2024-09-25 00:05:00,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:05:00,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:05:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:02,025 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:05:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:02,028 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 00:05:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,047 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,373 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,550 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,652 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,715 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,797 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,846 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,885 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,904 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,907 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,911 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,918 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,920 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,921 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:05:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,936 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,942 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,944 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,946 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 00:05:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,965 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,970 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,974 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,976 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,978 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,981 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,985 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,987 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:03,989 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-25 00:05:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,017 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,026 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,032 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,036 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,039 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,042 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,044 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,048 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,052 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,054 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:05:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,060 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,065 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,068 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,070 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,074 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-25 00:05:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,122 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,137 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,147 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,154 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,158 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,161 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,163 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,167 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,171 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,174 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,176 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:05:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,183 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,188 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,193 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,197 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,200 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 00:05:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,209 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,215 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,220 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,222 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,224 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,228 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,233 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,238 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,241 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-25 00:05:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,568 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,772 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,887 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:04,961 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,002 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,009 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,014 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,015 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,017 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,018 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,091 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,094 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,097 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:05:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,111 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,114 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,116 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 00:05:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,128 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,132 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,135 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,138 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,139 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,142 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,145 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,146 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,148 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-25 00:05:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,170 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,177 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,186 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,192 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,194 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,195 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,196 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,199 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,200 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,201 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:05:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,205 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,209 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,211 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,212 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,214 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-25 00:05:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,268 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,303 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,324 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,338 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,346 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,349 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,353 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,368 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,370 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:05:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,379 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,383 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,385 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,386 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,391 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 5753 proven. 5825 refuted. 0 times theorem prover too weak. 32036 trivial. 0 not checked. [2024-09-25 00:05:05,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:05:05,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60690616] [2024-09-25 00:05:05,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60690616] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:05:05,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807264469] [2024-09-25 00:05:05,392 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-25 00:05:05,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:05,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:05:05,394 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-25 00:05:05,396 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-25 00:05:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:05,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 1924 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-09-25 00:05:05,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:05:05,959 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 3794 proven. 2058 refuted. 0 times theorem prover too weak. 37762 trivial. 0 not checked. [2024-09-25 00:05:05,959 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:05:10,521 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 3794 proven. 2150 refuted. 0 times theorem prover too weak. 37670 trivial. 0 not checked. [2024-09-25 00:05:10,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807264469] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:05:10,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:05:10,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 13, 21] total 45 [2024-09-25 00:05:10,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820467514] [2024-09-25 00:05:10,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:05:10,525 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-09-25 00:05:10,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:05:10,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-09-25 00:05:10,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=1545, Unknown=0, NotChecked=0, Total=1980 [2024-09-25 00:05:10,527 INFO L87 Difference]: Start difference. First operand 119 states and 170 transitions. Second operand has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (39), 1 states have call predecessors, (39), 19 states have return successors, (58), 33 states have call predecessors, (58), 32 states have call successors, (58) [2024-09-25 00:05:11,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:05:11,447 INFO L93 Difference]: Finished difference Result 292 states and 611 transitions. [2024-09-25 00:05:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-25 00:05:11,448 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (39), 1 states have call predecessors, (39), 19 states have return successors, (58), 33 states have call predecessors, (58), 32 states have call successors, (58) Word has length 858 [2024-09-25 00:05:11,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:05:11,453 INFO L225 Difference]: With dead ends: 292 [2024-09-25 00:05:11,453 INFO L226 Difference]: Without dead ends: 163 [2024-09-25 00:05:11,457 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2040 GetRequests, 1955 SyntacticMatches, 10 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2124 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1252, Invalid=4600, Unknown=0, NotChecked=0, Total=5852 [2024-09-25 00:05:11,458 INFO L434 NwaCegarLoop]: 49 mSDtfsCounter, 237 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 1068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-09-25 00:05:11,458 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 358 Invalid, 1068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-09-25 00:05:11,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-09-25 00:05:11,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 139. [2024-09-25 00:05:11,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 97 states have (on average 1.0206185567010309) internal successors, (99), 95 states have internal predecessors, (99), 30 states have call successors, (30), 24 states have call predecessors, (30), 11 states have return successors, (54), 19 states have call predecessors, (54), 29 states have call successors, (54) [2024-09-25 00:05:11,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2024-09-25 00:05:11,487 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 858 [2024-09-25 00:05:11,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:05:11,488 INFO L474 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2024-09-25 00:05:11,488 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (39), 1 states have call predecessors, (39), 19 states have return successors, (58), 33 states have call predecessors, (58), 32 states have call successors, (58) [2024-09-25 00:05:11,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:11,489 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2024-09-25 00:05:11,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2024-09-25 00:05:11,502 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:05:11,503 INFO L216 NwaCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:05:11,526 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-25 00:05:11,706 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:11,707 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:05:11,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:11,707 INFO L85 PathProgramCache]: Analyzing trace with hash -2072743553, now seen corresponding path program 8 times [2024-09-25 00:05:11,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:05:11,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074208249] [2024-09-25 00:05:11,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:05:11,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:05:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:20,439 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:05:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:20,441 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 00:05:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:23,924 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:25,445 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,089 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,326 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,457 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,531 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,591 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,637 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,642 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,662 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,671 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,686 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,692 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,697 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:05:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,722 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,735 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,741 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,746 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,750 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 00:05:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,790 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,807 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,817 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,821 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,825 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,829 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,842 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,848 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,853 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-25 00:05:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,918 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,963 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,974 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,979 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,984 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,988 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,003 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,009 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,014 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:05:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,032 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,042 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,048 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,054 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,060 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-25 00:05:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,290 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,374 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,412 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,430 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,445 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,450 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,455 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,459 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,472 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,476 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,482 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:05:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,504 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,517 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,523 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,533 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,538 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 00:05:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,576 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,594 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,607 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,611 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,617 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,621 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,639 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,645 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,650 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-25 00:05:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,093 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,235 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,294 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,342 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,355 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,367 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,370 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,374 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,384 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,387 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,391 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:05:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,414 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,427 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,434 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,440 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,445 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 00:05:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,483 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,502 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,514 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,519 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,524 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,529 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,545 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,550 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,555 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-25 00:05:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,613 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,646 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,666 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,679 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,684 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,689 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,694 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,706 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,711 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,715 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:05:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,734 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,747 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,751 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,756 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:28,763 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-25 00:05:28,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:05:28,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074208249] [2024-09-25 00:05:28,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074208249] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:05:28,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384696869] [2024-09-25 00:05:28,763 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-25 00:05:28,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:28,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:05:28,765 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-25 00:05:28,766 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-25 00:05:29,046 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-25 00:05:29,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:05:29,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 1682 conjuncts, 439 conjuncts are in the unsatisfiable core [2024-09-25 00:05:29,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:05:29,731 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-25 00:05:29,732 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:05:33,428 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2024-09-25 00:05:33,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384696869] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:05:33,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:05:33,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 36 [2024-09-25 00:05:33,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158646932] [2024-09-25 00:05:33,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:05:33,431 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-25 00:05:33,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:05:33,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-25 00:05:33,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2024-09-25 00:05:33,432 INFO L87 Difference]: Start difference. First operand 139 states and 183 transitions. Second operand has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (11), 1 states have call predecessors, (11), 10 states have return successors, (25), 25 states have call predecessors, (25), 8 states have call successors, (25) [2024-09-25 00:05:33,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:05:33,860 INFO L93 Difference]: Finished difference Result 152 states and 204 transitions. [2024-09-25 00:05:33,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-25 00:05:33,861 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (11), 1 states have call predecessors, (11), 10 states have return successors, (25), 25 states have call predecessors, (25), 8 states have call successors, (25) Word has length 749 [2024-09-25 00:05:33,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:05:33,864 INFO L225 Difference]: With dead ends: 152 [2024-09-25 00:05:33,865 INFO L226 Difference]: Without dead ends: 148 [2024-09-25 00:05:33,865 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1938 GetRequests, 1904 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2024-09-25 00:05:33,866 INFO L434 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-09-25 00:05:33,867 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1077 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-25 00:05:33,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-09-25 00:05:33,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 147. [2024-09-25 00:05:33,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 102 states have (on average 1.0196078431372548) internal successors, (104), 100 states have internal predecessors, (104), 31 states have call successors, (31), 24 states have call predecessors, (31), 13 states have return successors, (61), 22 states have call predecessors, (61), 30 states have call successors, (61) [2024-09-25 00:05:33,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 196 transitions. [2024-09-25 00:05:33,886 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 196 transitions. Word has length 749 [2024-09-25 00:05:33,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:05:33,886 INFO L474 AbstractCegarLoop]: Abstraction has 147 states and 196 transitions. [2024-09-25 00:05:33,887 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (11), 1 states have call predecessors, (11), 10 states have return successors, (25), 25 states have call predecessors, (25), 8 states have call successors, (25) [2024-09-25 00:05:33,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:33,887 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2024-09-25 00:05:33,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 927 [2024-09-25 00:05:33,894 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:05:33,894 INFO L216 NwaCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 42, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:05:33,910 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-09-25 00:05:34,094 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-09-25 00:05:34,095 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:05:34,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:34,095 INFO L85 PathProgramCache]: Analyzing trace with hash -562081978, now seen corresponding path program 9 times [2024-09-25 00:05:34,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:05:34,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994668780] [2024-09-25 00:05:34,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:05:34,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:05:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,829 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:05:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,831 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-25 00:05:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:35,584 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:35,978 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,175 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,323 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,421 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,491 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,521 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,527 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,529 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,531 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,532 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,534 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,579 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,582 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,585 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:05:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,591 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,594 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,595 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,596 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,598 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 00:05:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,613 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,618 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,621 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,622 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,624 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,625 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,628 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,630 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,632 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-25 00:05:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,655 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,662 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,665 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,668 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,669 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,670 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,671 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,675 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,677 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,678 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:05:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,683 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,687 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,689 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,691 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,693 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-25 00:05:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,738 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,752 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,761 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,766 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,769 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,772 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,773 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,775 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,779 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,781 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,783 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:05:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,788 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,790 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,792 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,793 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,795 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 00:05:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,802 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,807 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,809 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,811 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,812 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,814 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,816 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,817 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,819 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-09-25 00:05:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,923 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,004 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,044 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,075 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,104 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,118 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,120 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,122 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,126 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,131 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,132 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:05:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,138 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,141 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,142 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,144 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,145 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 00:05:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,154 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,157 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,159 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,160 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,161 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,162 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,163 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,164 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,165 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2024-09-25 00:05:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,193 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,210 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,220 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,225 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,229 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,231 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,232 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,233 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,233 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,235 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,236 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,237 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:05:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,240 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,243 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,244 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,244 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,245 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-25 00:05:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,251 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,255 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,258 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,259 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,259 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,260 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,262 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,263 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,265 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-25 00:05:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,274 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,280 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,284 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,287 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,288 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,289 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,291 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,294 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,296 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,298 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-09-25 00:05:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,304 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,308 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-09-25 00:05:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,310 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-09-25 00:05:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,312 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-25 00:05:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,316 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3313 proven. 5871 refuted. 0 times theorem prover too weak. 41726 trivial. 0 not checked. [2024-09-25 00:05:37,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:05:37,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994668780] [2024-09-25 00:05:37,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994668780] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:05:37,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744393155] [2024-09-25 00:05:37,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-25 00:05:37,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:37,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:05:37,318 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-25 00:05:37,321 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-25 00:05:37,577 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 36 check-sat command(s) [2024-09-25 00:05:37,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:05:37,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-09-25 00:05:37,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:05:37,751 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1209 proven. 5377 refuted. 0 times theorem prover too weak. 44324 trivial. 0 not checked. [2024-09-25 00:05:37,752 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:05:42,433 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1201 proven. 5477 refuted. 0 times theorem prover too weak. 44232 trivial. 0 not checked. [2024-09-25 00:05:42,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744393155] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:05:42,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:05:42,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 14, 22] total 43 [2024-09-25 00:05:42,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336892370] [2024-09-25 00:05:42,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:05:42,436 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-09-25 00:05:42,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:05:42,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-09-25 00:05:42,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=415, Invalid=1391, Unknown=0, NotChecked=0, Total=1806 [2024-09-25 00:05:42,438 INFO L87 Difference]: Start difference. First operand 147 states and 196 transitions. Second operand has 43 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 43 states have internal predecessors, (104), 33 states have call successors, (39), 1 states have call predecessors, (39), 17 states have return successors, (57), 28 states have call predecessors, (57), 33 states have call successors, (57) [2024-09-25 00:05:43,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:05:43,001 INFO L93 Difference]: Finished difference Result 290 states and 403 transitions. [2024-09-25 00:05:43,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-25 00:05:43,002 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 43 states have internal predecessors, (104), 33 states have call successors, (39), 1 states have call predecessors, (39), 17 states have return successors, (57), 28 states have call predecessors, (57), 33 states have call successors, (57) Word has length 926 [2024-09-25 00:05:43,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:05:43,004 INFO L225 Difference]: With dead ends: 290 [2024-09-25 00:05:43,004 INFO L226 Difference]: Without dead ends: 0 [2024-09-25 00:05:43,007 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2166 GetRequests, 2101 SyntacticMatches, 10 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1258 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=757, Invalid=2435, Unknown=0, NotChecked=0, Total=3192 [2024-09-25 00:05:43,008 INFO L434 NwaCegarLoop]: 49 mSDtfsCounter, 122 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-25 00:05:43,008 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 336 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-25 00:05:43,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-09-25 00:05:43,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-09-25 00:05:43,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-25 00:05:43,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-09-25 00:05:43,009 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 926 [2024-09-25 00:05:43,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:05:43,010 INFO L474 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-09-25 00:05:43,010 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 43 states have internal predecessors, (104), 33 states have call successors, (39), 1 states have call predecessors, (39), 17 states have return successors, (57), 28 states have call predecessors, (57), 33 states have call successors, (57) [2024-09-25 00:05:43,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:43,010 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-09-25 00:05:43,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-09-25 00:05:43,013 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-09-25 00:05:43,033 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-09-25 00:05:43,214 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-09-25 00:05:43,217 INFO L408 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1] [2024-09-25 00:05:43,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-09-25 00:05:47,210 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-25 00:05:47,239 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-09-25 00:05:47,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:05:47 BoogieIcfgContainer [2024-09-25 00:05:47,243 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-25 00:05:47,243 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-09-25 00:05:47,243 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-09-25 00:05:47,244 INFO L274 PluginConnector]: Witness Printer initialized [2024-09-25 00:05:47,244 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:04:41" (3/4) ... [2024-09-25 00:05:47,246 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-09-25 00:05:47,303 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.yml [2024-09-25 00:05:47,303 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-09-25 00:05:47,304 INFO L158 Benchmark]: Toolchain (without parser) took 66334.57ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 72.1MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 122.5MB. Max. memory is 16.1GB. [2024-09-25 00:05:47,304 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 105.1MB in the end (delta: 325.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:05:47,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.05ms. Allocated memory is still 142.6MB. Free memory was 71.7MB in the beginning and 61.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 00:05:47,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.98ms. Allocated memory is still 142.6MB. Free memory was 60.7MB in the beginning and 59.9MB in the end (delta: 733.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:05:47,305 INFO L158 Benchmark]: Boogie Preprocessor took 39.52ms. Allocated memory is still 142.6MB. Free memory was 59.9MB in the beginning and 58.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:05:47,305 INFO L158 Benchmark]: RCFGBuilder took 358.04ms. Allocated memory is still 142.6MB. Free memory was 58.4MB in the beginning and 46.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:05:47,306 INFO L158 Benchmark]: TraceAbstraction took 65580.86ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 45.5MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 997.0MB. Max. memory is 16.1GB. [2024-09-25 00:05:47,306 INFO L158 Benchmark]: Witness Printer took 59.86ms. Allocated memory is still 1.8GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:05:47,307 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 105.1MB in the end (delta: 325.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.05ms. Allocated memory is still 142.6MB. Free memory was 71.7MB in the beginning and 61.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.98ms. Allocated memory is still 142.6MB. Free memory was 60.7MB in the beginning and 59.9MB in the end (delta: 733.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.52ms. Allocated memory is still 142.6MB. Free memory was 59.9MB in the beginning and 58.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 358.04ms. Allocated memory is still 142.6MB. Free memory was 58.4MB in the beginning and 46.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 65580.86ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 45.5MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 997.0MB. Max. memory is 16.1GB. * Witness Printer took 59.86ms. Allocated memory is still 1.8GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 3.1MB). 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: 61.5s, OverallIterations: 12, TraceHistogramMax: 135, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.1s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 939 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 887 mSDsluCounter, 2711 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2380 mSDsCounter, 833 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3878 IncrementalHoareTripleChecker+Invalid, 4711 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 833 mSolverCounterUnsat, 331 mSDtfsCounter, 3878 mSolverCounterSat, 0.1s 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: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 89 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 52.4s InterpolantComputationTime, 7485 NumberOfCodeBlocks, 6483 NumberOfCodeBlocksAsserted, 131 NumberOfCheckSat, 11182 ConstructedInterpolants, 0 QuantifiedInterpolants, 17429 SizeOfPredicates, 40 NumberOfNonLiveVariables, 6202 ConjunctsInSsa, 552 ConjunctsInUnsatCore, 32 InterpolantComputations, 2 PerfectInterpolantSequences, 382855/453612 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 16]: Procedure Contract for fibonacci Derived contract for procedure fibonacci. Ensures: ((\result == 0) || (0 < n)) RESULT: Ultimate proved your program to be correct! [2024-09-25 00:05:47,340 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