./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive/recHanoi01.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/recHanoi01.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 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 --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 00:05:12,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:05:12,262 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-25 00:05:12,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:05:12,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:05:12,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:05:12,303 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:05:12,303 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:05:12,304 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:05:12,308 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:05:12,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:05:12,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:05:12,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:05:12,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:05:12,310 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:05:12,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:05:12,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:05:12,311 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:05:12,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:05:12,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:05:12,311 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:05:12,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:05:12,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:05:12,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:05:12,315 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:05:12,315 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:05:12,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:05:12,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:05:12,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:05:12,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:05:12,316 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:05:12,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:05:12,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:05:12,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:05:12,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:05:12,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:05:12,318 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:05:12,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:05:12,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:05:12,319 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:05:12,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:05:12,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:05:12,320 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Generate GraphML witnesses -> false [2024-09-25 00:05:12,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:05:12,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:05:12,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:05:12,622 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:05:12,625 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:05:12,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/recursive/recHanoi01.c [2024-09-25 00:05:14,101 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:05:14,268 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:05:14,269 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/recHanoi01.c [2024-09-25 00:05:14,275 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/8d6e2ff09/e4fb7ad099b74a92a128e68c5aa8d39d/FLAG3be93ed97 [2024-09-25 00:05:14,288 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/8d6e2ff09/e4fb7ad099b74a92a128e68c5aa8d39d [2024-09-25 00:05:14,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:05:14,291 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-25 00:05:14,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:05:14,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:05:14,296 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:05:14,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:05:14" (1/1) ... [2024-09-25 00:05:14,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0e7fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:14, skipping insertion in model container [2024-09-25 00:05:14,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:05:14" (1/1) ... [2024-09-25 00:05:14,312 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:05:14,421 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/recHanoi01.c[1213,1226] [2024-09-25 00:05:14,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:05:14,433 INFO L200 MainTranslator]: Completed pre-run [2024-09-25 00:05:14,445 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/recHanoi01.c[1213,1226] [2024-09-25 00:05:14,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:05:14,458 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:05:14,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:14 WrapperNode [2024-09-25 00:05:14,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:05:14,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-25 00:05:14,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-25 00:05:14,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-25 00:05:14,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:14" (1/1) ... [2024-09-25 00:05:14,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:14" (1/1) ... [2024-09-25 00:05:14,481 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-25 00:05:14,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-25 00:05:14,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:05:14,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:05:14,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:05:14,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:14" (1/1) ... [2024-09-25 00:05:14,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:14" (1/1) ... [2024-09-25 00:05:14,492 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:14" (1/1) ... [2024-09-25 00:05:14,507 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 00:05:14,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:14" (1/1) ... [2024-09-25 00:05:14,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:14" (1/1) ... [2024-09-25 00:05:14,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:14" (1/1) ... [2024-09-25 00:05:14,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:14" (1/1) ... [2024-09-25 00:05:14,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:14" (1/1) ... [2024-09-25 00:05:14,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:14" (1/1) ... [2024-09-25 00:05:14,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:05:14,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:05:14,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:05:14,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:05:14,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:14" (1/1) ... [2024-09-25 00:05:14,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:05:14,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:05:14,549 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 00:05:14,560 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 00:05:14,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:05:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2024-09-25 00:05:14,595 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2024-09-25 00:05:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2024-09-25 00:05:14,595 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2024-09-25 00:05:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:05:14,595 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:05:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-25 00:05:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:05:14,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:05:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:05:14,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:05:14,652 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:05:14,654 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:05:14,808 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-09-25 00:05:14,808 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:05:14,851 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:05:14,851 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 00:05:14,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:05:14 BoogieIcfgContainer [2024-09-25 00:05:14,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:05:14,853 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-25 00:05:14,853 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-25 00:05:14,860 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-25 00:05:14,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:05:14" (1/3) ... [2024-09-25 00:05:14,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ecd6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:05:14, skipping insertion in model container [2024-09-25 00:05:14,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:14" (2/3) ... [2024-09-25 00:05:14,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ecd6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:05:14, skipping insertion in model container [2024-09-25 00:05:14,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:05:14" (3/3) ... [2024-09-25 00:05:14,866 INFO L112 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2024-09-25 00:05:14,889 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-25 00:05:14,890 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-25 00:05:14,942 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-25 00:05:14,948 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;@490eed6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-25 00:05:14,949 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-25 00:05:14,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 states have internal predecessors, (20), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-09-25 00:05:14,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-09-25 00:05:14,961 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:05:14,961 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:05:14,962 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:05:14,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:14,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1116782284, now seen corresponding path program 1 times [2024-09-25 00:05:14,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:05:14,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834580294] [2024-09-25 00:05:14,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:05:14,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:05:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:15,275 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:05:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:15,287 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 00:05:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:15,338 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-25 00:05:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:15,347 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 00:05:15,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:05:15,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834580294] [2024-09-25 00:05:15,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834580294] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-25 00:05:15,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-25 00:05:15,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-25 00:05:15,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189803674] [2024-09-25 00:05:15,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-25 00:05:15,356 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-25 00:05:15,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:05:15,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-25 00:05:15,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-25 00:05:15,380 INFO L87 Difference]: Start difference. First operand has 28 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 17 states have internal predecessors, (20), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-09-25 00:05:15,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:05:15,548 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2024-09-25 00:05:15,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-25 00:05:15,551 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 19 [2024-09-25 00:05:15,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:05:15,558 INFO L225 Difference]: With dead ends: 47 [2024-09-25 00:05:15,558 INFO L226 Difference]: Without dead ends: 26 [2024-09-25 00:05:15,561 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-09-25 00:05:15,564 INFO L434 NwaCegarLoop]: 23 mSDtfsCounter, 19 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-25 00:05:15,565 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 76 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-25 00:05:15,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-09-25 00:05:15,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-09-25 00:05:15,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 15 states have internal predecessors, (16), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-09-25 00:05:15,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2024-09-25 00:05:15,684 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 19 [2024-09-25 00:05:15,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:05:15,684 INFO L474 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2024-09-25 00:05:15,684 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-09-25 00:05:15,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:15,685 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-09-25 00:05:15,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-09-25 00:05:15,686 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:05:15,686 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, 1, 1] [2024-09-25 00:05:15,687 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-25 00:05:15,687 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:05:15,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:15,687 INFO L85 PathProgramCache]: Analyzing trace with hash -715877671, now seen corresponding path program 1 times [2024-09-25 00:05:15,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:05:15,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674878610] [2024-09-25 00:05:15,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:05:15,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:05:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:15,823 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:05:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:15,828 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 00:05:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:15,916 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:15,929 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:15,940 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-09-25 00:05:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:15,954 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-25 00:05:15,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:05:15,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674878610] [2024-09-25 00:05:15,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674878610] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:05:15,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278826458] [2024-09-25 00:05:15,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:05:15,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:15,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:05:15,957 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 00:05:15,958 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 00:05:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:16,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-09-25 00:05:16,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:05:16,112 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-09-25 00:05:16,113 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:05:16,264 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-25 00:05:16,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278826458] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:05:16,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:05:16,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 17 [2024-09-25 00:05:16,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845377850] [2024-09-25 00:05:16,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:05:16,266 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-25 00:05:16,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:05:16,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-25 00:05:16,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-09-25 00:05:16,268 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 17 states, 16 states have (on average 1.875) internal successors, (30), 15 states have internal predecessors, (30), 5 states have call successors, (13), 5 states have call predecessors, (13), 8 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-09-25 00:05:16,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:05:16,627 INFO L93 Difference]: Finished difference Result 77 states and 107 transitions. [2024-09-25 00:05:16,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-25 00:05:16,629 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.875) internal successors, (30), 15 states have internal predecessors, (30), 5 states have call successors, (13), 5 states have call predecessors, (13), 8 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 29 [2024-09-25 00:05:16,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:05:16,631 INFO L225 Difference]: With dead ends: 77 [2024-09-25 00:05:16,632 INFO L226 Difference]: Without dead ends: 71 [2024-09-25 00:05:16,633 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=608, Unknown=0, NotChecked=0, Total=756 [2024-09-25 00:05:16,633 INFO L434 NwaCegarLoop]: 22 mSDtfsCounter, 57 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-25 00:05:16,635 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 123 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-25 00:05:16,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-09-25 00:05:16,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 60. [2024-09-25 00:05:16,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 34 states have internal predecessors, (36), 16 states have call successors, (16), 8 states have call predecessors, (16), 12 states have return successors, (34), 17 states have call predecessors, (34), 15 states have call successors, (34) [2024-09-25 00:05:16,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 86 transitions. [2024-09-25 00:05:16,693 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 86 transitions. Word has length 29 [2024-09-25 00:05:16,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:05:16,698 INFO L474 AbstractCegarLoop]: Abstraction has 60 states and 86 transitions. [2024-09-25 00:05:16,698 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.875) internal successors, (30), 15 states have internal predecessors, (30), 5 states have call successors, (13), 5 states have call predecessors, (13), 8 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-09-25 00:05:16,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:16,699 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2024-09-25 00:05:16,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-09-25 00:05:16,701 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:05:16,705 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:05:16,752 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 00:05:16,906 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:16,907 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:05:16,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:16,908 INFO L85 PathProgramCache]: Analyzing trace with hash 334206910, now seen corresponding path program 2 times [2024-09-25 00:05:16,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:05:16,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323555395] [2024-09-25 00:05:16,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:05:16,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:05:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:16,982 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:05:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:16,986 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 00:05:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:17,034 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:17,058 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:17,102 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:17,122 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:17,128 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-09-25 00:05:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:17,132 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-09-25 00:05:17,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:05:17,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323555395] [2024-09-25 00:05:17,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323555395] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:05:17,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428433409] [2024-09-25 00:05:17,134 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-25 00:05:17,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:17,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:05:17,137 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 00:05:17,138 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 00:05:17,193 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-25 00:05:17,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:05:17,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-25 00:05:17,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:05:17,299 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-09-25 00:05:17,300 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:05:17,602 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-09-25 00:05:17,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428433409] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:05:17,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:05:17,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 11] total 18 [2024-09-25 00:05:17,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637511342] [2024-09-25 00:05:17,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:05:17,604 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-09-25 00:05:17,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:05:17,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-09-25 00:05:17,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2024-09-25 00:05:17,605 INFO L87 Difference]: Start difference. First operand 60 states and 86 transitions. Second operand has 18 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 9 states have call successors, (17), 2 states have call predecessors, (17), 7 states have return successors, (15), 8 states have call predecessors, (15), 9 states have call successors, (15) [2024-09-25 00:05:17,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:05:17,842 INFO L93 Difference]: Finished difference Result 111 states and 172 transitions. [2024-09-25 00:05:17,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-25 00:05:17,843 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 9 states have call successors, (17), 2 states have call predecessors, (17), 7 states have return successors, (15), 8 states have call predecessors, (15), 9 states have call successors, (15) Word has length 39 [2024-09-25 00:05:17,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:05:17,844 INFO L225 Difference]: With dead ends: 111 [2024-09-25 00:05:17,845 INFO L226 Difference]: Without dead ends: 77 [2024-09-25 00:05:17,846 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 80 SyntacticMatches, 5 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2024-09-25 00:05:17,846 INFO L434 NwaCegarLoop]: 22 mSDtfsCounter, 32 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-25 00:05:17,847 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 148 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-25 00:05:17,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-09-25 00:05:17,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 58. [2024-09-25 00:05:17,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 33 states have internal predecessors, (38), 13 states have call successors, (13), 11 states have call predecessors, (13), 10 states have return successors, (21), 13 states have call predecessors, (21), 12 states have call successors, (21) [2024-09-25 00:05:17,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2024-09-25 00:05:17,865 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 39 [2024-09-25 00:05:17,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:05:17,866 INFO L474 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2024-09-25 00:05:17,866 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 2.375) internal successors, (38), 15 states have internal predecessors, (38), 9 states have call successors, (17), 2 states have call predecessors, (17), 7 states have return successors, (15), 8 states have call predecessors, (15), 9 states have call successors, (15) [2024-09-25 00:05:17,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:17,866 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2024-09-25 00:05:17,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-09-25 00:05:17,867 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:05:17,868 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:05:17,881 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 00:05:18,068 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:18,069 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:05:18,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:18,069 INFO L85 PathProgramCache]: Analyzing trace with hash 2051145677, now seen corresponding path program 1 times [2024-09-25 00:05:18,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:05:18,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361564197] [2024-09-25 00:05:18,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:05:18,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:05:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:18,134 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:05:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:18,137 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 00:05:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:18,184 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:18,214 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:18,225 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-09-25 00:05:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:18,252 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:18,296 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-25 00:05:18,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:05:18,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361564197] [2024-09-25 00:05:18,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361564197] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:05:18,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257786502] [2024-09-25 00:05:18,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:05:18,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:18,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:05:18,302 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 00:05:18,307 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 00:05:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:18,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-25 00:05:18,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:05:18,418 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-25 00:05:18,418 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:05:18,621 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-25 00:05:18,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257786502] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:05:18,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:05:18,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 11] total 20 [2024-09-25 00:05:18,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853462332] [2024-09-25 00:05:18,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:05:18,622 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-09-25 00:05:18,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:05:18,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-09-25 00:05:18,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2024-09-25 00:05:18,623 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 20 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 9 states have call successors, (14), 2 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 9 states have call successors, (10) [2024-09-25 00:05:18,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:05:18,785 INFO L93 Difference]: Finished difference Result 65 states and 79 transitions. [2024-09-25 00:05:18,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-25 00:05:18,785 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 9 states have call successors, (14), 2 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 9 states have call successors, (10) Word has length 35 [2024-09-25 00:05:18,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:05:18,787 INFO L225 Difference]: With dead ends: 65 [2024-09-25 00:05:18,787 INFO L226 Difference]: Without dead ends: 53 [2024-09-25 00:05:18,787 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 66 SyntacticMatches, 5 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=616, Unknown=0, NotChecked=0, Total=756 [2024-09-25 00:05:18,788 INFO L434 NwaCegarLoop]: 15 mSDtfsCounter, 17 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-25 00:05:18,788 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 124 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-25 00:05:18,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-09-25 00:05:18,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2024-09-25 00:05:18,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 30 states have (on average 1.1) internal successors, (33), 29 states have internal predecessors, (33), 12 states have call successors, (12), 10 states have call predecessors, (12), 8 states have return successors, (18), 11 states have call predecessors, (18), 11 states have call successors, (18) [2024-09-25 00:05:18,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2024-09-25 00:05:18,797 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 35 [2024-09-25 00:05:18,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:05:18,798 INFO L474 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2024-09-25 00:05:18,798 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 9 states have call successors, (14), 2 states have call predecessors, (14), 7 states have return successors, (10), 5 states have call predecessors, (10), 9 states have call successors, (10) [2024-09-25 00:05:18,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:18,798 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2024-09-25 00:05:18,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-09-25 00:05:18,799 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:05:18,799 INFO L216 NwaCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:05:18,813 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-25 00:05:19,003 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:19,004 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:05:19,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:19,005 INFO L85 PathProgramCache]: Analyzing trace with hash 2007684205, now seen corresponding path program 2 times [2024-09-25 00:05:19,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:05:19,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472299288] [2024-09-25 00:05:19,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:05:19,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:05:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:19,131 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:05:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:19,133 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 00:05:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:19,224 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:19,314 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:19,321 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:19,336 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:05:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:19,405 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:19,422 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:19,446 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-09-25 00:05:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:19,498 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:19,551 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 9 proven. 34 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-09-25 00:05:19,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:05:19,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472299288] [2024-09-25 00:05:19,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472299288] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:05:19,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929017978] [2024-09-25 00:05:19,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-25 00:05:19,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:19,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:05:19,554 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 00:05:19,555 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 00:05:19,622 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-25 00:05:19,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:05:19,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-09-25 00:05:19,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:05:19,883 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-09-25 00:05:19,884 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:05:20,574 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-09-25 00:05:20,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929017978] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:05:20,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:05:20,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13, 18] total 34 [2024-09-25 00:05:20,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929285807] [2024-09-25 00:05:20,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:05:20,575 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-09-25 00:05:20,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:05:20,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-09-25 00:05:20,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=998, Unknown=0, NotChecked=0, Total=1122 [2024-09-25 00:05:20,576 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 34 states, 30 states have (on average 1.6666666666666667) internal successors, (50), 27 states have internal predecessors, (50), 9 states have call successors, (20), 7 states have call predecessors, (20), 17 states have return successors, (23), 16 states have call predecessors, (23), 9 states have call successors, (23) [2024-09-25 00:05:21,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:05:21,704 INFO L93 Difference]: Finished difference Result 104 states and 142 transitions. [2024-09-25 00:05:21,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-25 00:05:21,705 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 30 states have (on average 1.6666666666666667) internal successors, (50), 27 states have internal predecessors, (50), 9 states have call successors, (20), 7 states have call predecessors, (20), 17 states have return successors, (23), 16 states have call predecessors, (23), 9 states have call successors, (23) Word has length 55 [2024-09-25 00:05:21,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:05:21,706 INFO L225 Difference]: With dead ends: 104 [2024-09-25 00:05:21,706 INFO L226 Difference]: Without dead ends: 100 [2024-09-25 00:05:21,708 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 850 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=532, Invalid=3250, Unknown=0, NotChecked=0, Total=3782 [2024-09-25 00:05:21,708 INFO L434 NwaCegarLoop]: 16 mSDtfsCounter, 182 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-09-25 00:05:21,709 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 194 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-09-25 00:05:21,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-09-25 00:05:21,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 83. [2024-09-25 00:05:21,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 45 states have internal predecessors, (49), 20 states have call successors, (20), 12 states have call predecessors, (20), 17 states have return successors, (45), 25 states have call predecessors, (45), 19 states have call successors, (45) [2024-09-25 00:05:21,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 114 transitions. [2024-09-25 00:05:21,742 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 114 transitions. Word has length 55 [2024-09-25 00:05:21,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:05:21,743 INFO L474 AbstractCegarLoop]: Abstraction has 83 states and 114 transitions. [2024-09-25 00:05:21,743 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 30 states have (on average 1.6666666666666667) internal successors, (50), 27 states have internal predecessors, (50), 9 states have call successors, (20), 7 states have call predecessors, (20), 17 states have return successors, (23), 16 states have call predecessors, (23), 9 states have call successors, (23) [2024-09-25 00:05:21,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:21,743 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 114 transitions. [2024-09-25 00:05:21,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-09-25 00:05:21,747 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:05:21,747 INFO L216 NwaCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:05:21,784 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 00:05:21,947 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:21,948 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:05:21,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:21,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1984388281, now seen corresponding path program 3 times [2024-09-25 00:05:21,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:05:21,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903461577] [2024-09-25 00:05:21,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:05:21,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:05:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:22,017 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:05:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:22,019 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 00:05:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:22,055 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:22,074 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:22,095 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:22,098 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:05:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:22,103 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:22,105 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:22,106 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-09-25 00:05:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:22,133 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:22,148 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:22,168 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 13 proven. 45 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-09-25 00:05:22,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:05:22,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903461577] [2024-09-25 00:05:22,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903461577] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:05:22,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790478122] [2024-09-25 00:05:22,169 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-25 00:05:22,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:22,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:05:22,173 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 00:05:22,177 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 00:05:22,225 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-09-25 00:05:22,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:05:22,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-25 00:05:22,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:05:22,331 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 41 proven. 12 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-09-25 00:05:22,332 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:05:22,825 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 41 proven. 21 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-09-25 00:05:22,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790478122] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:05:22,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:05:22,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 15] total 24 [2024-09-25 00:05:22,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267566319] [2024-09-25 00:05:22,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:05:22,827 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-25 00:05:22,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:05:22,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-25 00:05:22,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2024-09-25 00:05:22,829 INFO L87 Difference]: Start difference. First operand 83 states and 114 transitions. Second operand has 24 states, 23 states have (on average 2.0869565217391304) internal successors, (48), 22 states have internal predecessors, (48), 12 states have call successors, (23), 2 states have call predecessors, (23), 9 states have return successors, (22), 10 states have call predecessors, (22), 12 states have call successors, (22) [2024-09-25 00:05:23,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:05:23,125 INFO L93 Difference]: Finished difference Result 145 states and 223 transitions. [2024-09-25 00:05:23,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-25 00:05:23,126 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.0869565217391304) internal successors, (48), 22 states have internal predecessors, (48), 12 states have call successors, (23), 2 states have call predecessors, (23), 9 states have return successors, (22), 10 states have call predecessors, (22), 12 states have call successors, (22) Word has length 61 [2024-09-25 00:05:23,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:05:23,127 INFO L225 Difference]: With dead ends: 145 [2024-09-25 00:05:23,127 INFO L226 Difference]: Without dead ends: 79 [2024-09-25 00:05:23,128 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 123 SyntacticMatches, 7 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=241, Invalid=1091, Unknown=0, NotChecked=0, Total=1332 [2024-09-25 00:05:23,129 INFO L434 NwaCegarLoop]: 20 mSDtfsCounter, 29 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-25 00:05:23,129 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 162 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-25 00:05:23,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-09-25 00:05:23,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 69. [2024-09-25 00:05:23,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 36 states have internal predecessors, (38), 19 states have call successors, (19), 10 states have call predecessors, (19), 13 states have return successors, (36), 22 states have call predecessors, (36), 18 states have call successors, (36) [2024-09-25 00:05:23,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 93 transitions. [2024-09-25 00:05:23,140 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 93 transitions. Word has length 61 [2024-09-25 00:05:23,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:05:23,140 INFO L474 AbstractCegarLoop]: Abstraction has 69 states and 93 transitions. [2024-09-25 00:05:23,141 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.0869565217391304) internal successors, (48), 22 states have internal predecessors, (48), 12 states have call successors, (23), 2 states have call predecessors, (23), 9 states have return successors, (22), 10 states have call predecessors, (22), 12 states have call successors, (22) [2024-09-25 00:05:23,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:23,141 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2024-09-25 00:05:23,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-09-25 00:05:23,143 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:05:23,143 INFO L216 NwaCegarLoop]: trace histogram [11, 11, 6, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:05:23,156 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-25 00:05:23,346 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-09-25 00:05:23,347 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:05:23,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:23,347 INFO L85 PathProgramCache]: Analyzing trace with hash 617404749, now seen corresponding path program 4 times [2024-09-25 00:05:23,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:05:23,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694770996] [2024-09-25 00:05:23,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:05:23,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:05:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:23,401 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:05:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:23,403 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 00:05:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:23,447 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:23,478 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:23,497 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:23,514 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:23,516 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:05:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:23,520 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:23,522 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:23,524 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:23,539 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:23,547 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:23,550 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-09-25 00:05:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:23,552 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:23,553 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 71 proven. 69 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-09-25 00:05:23,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:05:23,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694770996] [2024-09-25 00:05:23,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694770996] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:05:23,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064665850] [2024-09-25 00:05:23,554 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-25 00:05:23,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:23,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:05:23,555 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 00:05:23,583 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 00:05:23,648 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-25 00:05:23,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:05:23,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-25 00:05:23,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:05:23,701 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 74 proven. 70 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-09-25 00:05:23,702 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:05:24,142 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 74 proven. 75 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-09-25 00:05:24,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064665850] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:05:24,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:05:24,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 13] total 19 [2024-09-25 00:05:24,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024872754] [2024-09-25 00:05:24,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:05:24,144 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-09-25 00:05:24,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:05:24,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-09-25 00:05:24,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-09-25 00:05:24,145 INFO L87 Difference]: Start difference. First operand 69 states and 93 transitions. Second operand has 19 states, 18 states have (on average 2.7222222222222223) internal successors, (49), 17 states have internal predecessors, (49), 12 states have call successors, (27), 3 states have call predecessors, (27), 8 states have return successors, (22), 6 states have call predecessors, (22), 12 states have call successors, (22) [2024-09-25 00:05:24,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:05:24,356 INFO L93 Difference]: Finished difference Result 122 states and 179 transitions. [2024-09-25 00:05:24,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-25 00:05:24,357 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 2.7222222222222223) internal successors, (49), 17 states have internal predecessors, (49), 12 states have call successors, (27), 3 states have call predecessors, (27), 8 states have return successors, (22), 6 states have call predecessors, (22), 12 states have call successors, (22) Word has length 75 [2024-09-25 00:05:24,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:05:24,359 INFO L225 Difference]: With dead ends: 122 [2024-09-25 00:05:24,359 INFO L226 Difference]: Without dead ends: 76 [2024-09-25 00:05:24,360 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 163 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2024-09-25 00:05:24,360 INFO L434 NwaCegarLoop]: 22 mSDtfsCounter, 28 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-25 00:05:24,360 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 95 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-25 00:05:24,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-09-25 00:05:24,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 66. [2024-09-25 00:05:24,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 35 states have (on average 1.0571428571428572) internal successors, (37), 35 states have internal predecessors, (37), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (32), 19 states have call predecessors, (32), 18 states have call successors, (32) [2024-09-25 00:05:24,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 88 transitions. [2024-09-25 00:05:24,370 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 88 transitions. Word has length 75 [2024-09-25 00:05:24,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:05:24,370 INFO L474 AbstractCegarLoop]: Abstraction has 66 states and 88 transitions. [2024-09-25 00:05:24,370 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 2.7222222222222223) internal successors, (49), 17 states have internal predecessors, (49), 12 states have call successors, (27), 3 states have call predecessors, (27), 8 states have return successors, (22), 6 states have call predecessors, (22), 12 states have call successors, (22) [2024-09-25 00:05:24,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:24,371 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2024-09-25 00:05:24,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-09-25 00:05:24,373 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:05:24,373 INFO L216 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:05:24,386 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-25 00:05:24,573 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:24,575 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:05:24,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:24,576 INFO L85 PathProgramCache]: Analyzing trace with hash 747420525, now seen corresponding path program 5 times [2024-09-25 00:05:24,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:05:24,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706421664] [2024-09-25 00:05:24,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:05:24,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:05:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:24,703 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:05:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:24,705 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 00:05:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:24,756 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:24,781 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:24,797 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:24,815 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:24,844 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:05:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:24,858 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:24,865 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:24,871 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:24,889 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:24,905 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:24,907 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:24,914 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:05:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:24,917 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:24,924 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:24,930 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-09-25 00:05:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:24,976 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:25,017 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 42 proven. 135 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-09-25 00:05:25,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:05:25,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706421664] [2024-09-25 00:05:25,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706421664] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:05:25,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967879379] [2024-09-25 00:05:25,018 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-25 00:05:25,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:25,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:05:25,021 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 00:05:25,027 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 00:05:25,134 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2024-09-25 00:05:25,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:05:25,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-25 00:05:25,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:05:25,231 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 123 proven. 50 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-09-25 00:05:25,231 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:05:25,938 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 123 proven. 60 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-09-25 00:05:25,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967879379] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:05:25,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:05:25,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 15] total 24 [2024-09-25 00:05:25,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413176448] [2024-09-25 00:05:25,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:05:25,939 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-25 00:05:25,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:05:25,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-25 00:05:25,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2024-09-25 00:05:25,940 INFO L87 Difference]: Start difference. First operand 66 states and 88 transitions. Second operand has 24 states, 23 states have (on average 2.0434782608695654) internal successors, (47), 22 states have internal predecessors, (47), 13 states have call successors, (25), 2 states have call predecessors, (25), 9 states have return successors, (22), 9 states have call predecessors, (22), 13 states have call successors, (22) [2024-09-25 00:05:26,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:05:26,295 INFO L93 Difference]: Finished difference Result 78 states and 105 transitions. [2024-09-25 00:05:26,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-25 00:05:26,295 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.0434782608695654) internal successors, (47), 22 states have internal predecessors, (47), 13 states have call successors, (25), 2 states have call predecessors, (25), 9 states have return successors, (22), 9 states have call predecessors, (22), 13 states have call successors, (22) Word has length 95 [2024-09-25 00:05:26,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:05:26,297 INFO L225 Difference]: With dead ends: 78 [2024-09-25 00:05:26,297 INFO L226 Difference]: Without dead ends: 74 [2024-09-25 00:05:26,298 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 205 SyntacticMatches, 7 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=251, Invalid=1155, Unknown=0, NotChecked=0, Total=1406 [2024-09-25 00:05:26,298 INFO L434 NwaCegarLoop]: 21 mSDtfsCounter, 34 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-25 00:05:26,299 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 184 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-25 00:05:26,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-09-25 00:05:26,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 69. [2024-09-25 00:05:26,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 37 states have (on average 1.054054054054054) internal successors, (39), 37 states have internal predecessors, (39), 19 states have call successors, (19), 11 states have call predecessors, (19), 12 states have return successors, (33), 20 states have call predecessors, (33), 18 states have call successors, (33) [2024-09-25 00:05:26,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 91 transitions. [2024-09-25 00:05:26,313 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 91 transitions. Word has length 95 [2024-09-25 00:05:26,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:05:26,313 INFO L474 AbstractCegarLoop]: Abstraction has 69 states and 91 transitions. [2024-09-25 00:05:26,313 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.0434782608695654) internal successors, (47), 22 states have internal predecessors, (47), 13 states have call successors, (25), 2 states have call predecessors, (25), 9 states have return successors, (22), 9 states have call predecessors, (22), 13 states have call successors, (22) [2024-09-25 00:05:26,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:26,314 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2024-09-25 00:05:26,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-09-25 00:05:26,316 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:05:26,316 INFO L216 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:05:26,336 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 00:05:26,520 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:26,521 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:05:26,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:26,522 INFO L85 PathProgramCache]: Analyzing trace with hash -35650631, now seen corresponding path program 6 times [2024-09-25 00:05:26,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:05:26,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939160942] [2024-09-25 00:05:26,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:05:26,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:05:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,933 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:05:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:26,937 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 00:05:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,245 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,397 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,440 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,449 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,456 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:05:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,491 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,499 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,506 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,625 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,658 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,665 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,672 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:05:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,715 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,721 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,728 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-09-25 00:05:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,790 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,847 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:27,911 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 22 proven. 163 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-09-25 00:05:27,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:05:27,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939160942] [2024-09-25 00:05:27,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939160942] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:05:27,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518647543] [2024-09-25 00:05:27,912 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-25 00:05:27,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:27,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:05:27,915 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 00:05:27,923 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 00:05:28,044 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-09-25 00:05:28,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:05:28,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-09-25 00:05:28,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:05:28,493 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-09-25 00:05:28,493 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:05:29,869 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-09-25 00:05:29,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518647543] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:05:29,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:05:29,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17, 32] total 54 [2024-09-25 00:05:29,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931664601] [2024-09-25 00:05:29,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:05:29,871 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-09-25 00:05:29,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:05:29,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-09-25 00:05:29,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=2660, Unknown=0, NotChecked=0, Total=2862 [2024-09-25 00:05:29,873 INFO L87 Difference]: Start difference. First operand 69 states and 91 transitions. Second operand has 54 states, 45 states have (on average 1.6222222222222222) internal successors, (73), 41 states have internal predecessors, (73), 16 states have call successors, (29), 11 states have call predecessors, (29), 27 states have return successors, (36), 27 states have call predecessors, (36), 16 states have call successors, (36) [2024-09-25 00:05:34,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:05:34,201 INFO L93 Difference]: Finished difference Result 225 states and 326 transitions. [2024-09-25 00:05:34,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-09-25 00:05:34,202 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 45 states have (on average 1.6222222222222222) internal successors, (73), 41 states have internal predecessors, (73), 16 states have call successors, (29), 11 states have call predecessors, (29), 27 states have return successors, (36), 27 states have call predecessors, (36), 16 states have call successors, (36) Word has length 101 [2024-09-25 00:05:34,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:05:34,206 INFO L225 Difference]: With dead ends: 225 [2024-09-25 00:05:34,206 INFO L226 Difference]: Without dead ends: 221 [2024-09-25 00:05:34,210 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3743 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=1935, Invalid=12827, Unknown=0, NotChecked=0, Total=14762 [2024-09-25 00:05:34,211 INFO L434 NwaCegarLoop]: 26 mSDtfsCounter, 394 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1564 mSolverCounterSat, 801 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 2365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 801 IncrementalHoareTripleChecker+Valid, 1564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-09-25 00:05:34,211 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 497 Invalid, 2365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [801 Valid, 1564 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-09-25 00:05:34,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-09-25 00:05:34,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 182. [2024-09-25 00:05:34,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 98 states have (on average 1.0714285714285714) internal successors, (105), 97 states have internal predecessors, (105), 49 states have call successors, (49), 29 states have call predecessors, (49), 34 states have return successors, (105), 55 states have call predecessors, (105), 48 states have call successors, (105) [2024-09-25 00:05:34,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 259 transitions. [2024-09-25 00:05:34,250 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 259 transitions. Word has length 101 [2024-09-25 00:05:34,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:05:34,251 INFO L474 AbstractCegarLoop]: Abstraction has 182 states and 259 transitions. [2024-09-25 00:05:34,251 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 45 states have (on average 1.6222222222222222) internal successors, (73), 41 states have internal predecessors, (73), 16 states have call successors, (29), 11 states have call predecessors, (29), 27 states have return successors, (36), 27 states have call predecessors, (36), 16 states have call successors, (36) [2024-09-25 00:05:34,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:34,252 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 259 transitions. [2024-09-25 00:05:34,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-09-25 00:05:34,254 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:05:34,254 INFO L216 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:05:34,272 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-09-25 00:05:34,454 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:34,455 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:05:34,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:34,455 INFO L85 PathProgramCache]: Analyzing trace with hash 796330413, now seen corresponding path program 7 times [2024-09-25 00:05:34,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:05:34,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432274970] [2024-09-25 00:05:34,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:05:34,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:05:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,636 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:05:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,640 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 00:05:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,715 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,748 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,769 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,790 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,793 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:05:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,800 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,803 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,805 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,813 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,818 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,820 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,821 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:05:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,824 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,827 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:34,828 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 81 [2024-09-25 00:05:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,872 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,897 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,921 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:34,944 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 42 proven. 150 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-09-25 00:05:34,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:05:34,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432274970] [2024-09-25 00:05:34,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432274970] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:05:34,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470120148] [2024-09-25 00:05:34,945 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-25 00:05:34,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:34,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:05:34,947 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 00:05:34,948 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 00:05:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:35,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-09-25 00:05:35,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:05:35,116 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 48 proven. 138 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-09-25 00:05:35,116 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:05:35,851 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 48 proven. 156 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-09-25 00:05:35,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470120148] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:05:35,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:05:35,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 19] total 28 [2024-09-25 00:05:35,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203666354] [2024-09-25 00:05:35,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:05:35,852 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-09-25 00:05:35,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:05:35,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-09-25 00:05:35,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=634, Unknown=0, NotChecked=0, Total=756 [2024-09-25 00:05:35,853 INFO L87 Difference]: Start difference. First operand 182 states and 259 transitions. Second operand has 28 states, 27 states have (on average 2.037037037037037) internal successors, (55), 26 states have internal predecessors, (55), 15 states have call successors, (26), 2 states have call predecessors, (26), 11 states have return successors, (26), 9 states have call predecessors, (26), 15 states have call successors, (26) [2024-09-25 00:05:36,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:05:36,258 INFO L93 Difference]: Finished difference Result 294 states and 473 transitions. [2024-09-25 00:05:36,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-25 00:05:36,258 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 2.037037037037037) internal successors, (55), 26 states have internal predecessors, (55), 15 states have call successors, (26), 2 states have call predecessors, (26), 11 states have return successors, (26), 9 states have call predecessors, (26), 15 states have call successors, (26) Word has length 107 [2024-09-25 00:05:36,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:05:36,260 INFO L225 Difference]: With dead ends: 294 [2024-09-25 00:05:36,260 INFO L226 Difference]: Without dead ends: 184 [2024-09-25 00:05:36,261 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 229 SyntacticMatches, 9 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=352, Invalid=1628, Unknown=0, NotChecked=0, Total=1980 [2024-09-25 00:05:36,262 INFO L434 NwaCegarLoop]: 20 mSDtfsCounter, 37 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-25 00:05:36,262 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 220 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-25 00:05:36,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-09-25 00:05:36,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 160. [2024-09-25 00:05:36,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 82 states have (on average 1.0609756097560976) internal successors, (87), 82 states have internal predecessors, (87), 47 states have call successors, (47), 24 states have call predecessors, (47), 30 states have return successors, (89), 53 states have call predecessors, (89), 46 states have call successors, (89) [2024-09-25 00:05:36,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 223 transitions. [2024-09-25 00:05:36,286 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 223 transitions. Word has length 107 [2024-09-25 00:05:36,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:05:36,286 INFO L474 AbstractCegarLoop]: Abstraction has 160 states and 223 transitions. [2024-09-25 00:05:36,286 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 2.037037037037037) internal successors, (55), 26 states have internal predecessors, (55), 15 states have call successors, (26), 2 states have call predecessors, (26), 11 states have return successors, (26), 9 states have call predecessors, (26), 15 states have call successors, (26) [2024-09-25 00:05:36,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:36,287 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 223 transitions. [2024-09-25 00:05:36,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-09-25 00:05:36,288 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:05:36,288 INFO L216 NwaCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:05:36,302 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 00:05:36,492 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-25 00:05:36,493 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:05:36,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:36,493 INFO L85 PathProgramCache]: Analyzing trace with hash 59611577, now seen corresponding path program 8 times [2024-09-25 00:05:36,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:05:36,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349497770] [2024-09-25 00:05:36,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:05:36,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:05:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,653 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:05:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,657 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 00:05:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,782 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,831 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,857 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,873 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,893 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,899 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:05:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,903 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,904 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,909 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,916 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,918 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,920 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,921 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:05:36,922 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 2 [2024-09-25 00:05:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,924 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,925 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:05:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,938 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,945 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,948 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,949 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,950 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:05:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,952 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,953 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,957 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,959 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,961 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,962 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:05:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,963 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,964 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,966 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-09-25 00:05:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:36,990 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,005 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:37,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 107 proven. 410 refuted. 0 times theorem prover too weak. 1567 trivial. 0 not checked. [2024-09-25 00:05:37,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:05:37,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349497770] [2024-09-25 00:05:37,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349497770] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:05:37,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382333370] [2024-09-25 00:05:37,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-25 00:05:37,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:37,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:05:37,030 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 00:05:37,030 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 00:05:37,212 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-25 00:05:37,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:05:37,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-09-25 00:05:37,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:05:37,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 115 proven. 396 refuted. 0 times theorem prover too weak. 1573 trivial. 0 not checked. [2024-09-25 00:05:37,300 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:05:38,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 115 proven. 416 refuted. 0 times theorem prover too weak. 1553 trivial. 0 not checked. [2024-09-25 00:05:38,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382333370] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:05:38,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:05:38,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 19] total 28 [2024-09-25 00:05:38,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288665562] [2024-09-25 00:05:38,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:05:38,248 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-09-25 00:05:38,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:05:38,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-09-25 00:05:38,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=635, Unknown=0, NotChecked=0, Total=756 [2024-09-25 00:05:38,249 INFO L87 Difference]: Start difference. First operand 160 states and 223 transitions. Second operand has 28 states, 27 states have (on average 2.0) internal successors, (54), 26 states have internal predecessors, (54), 16 states have call successors, (28), 2 states have call predecessors, (28), 11 states have return successors, (27), 9 states have call predecessors, (27), 16 states have call successors, (27) [2024-09-25 00:05:38,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:05:38,663 INFO L93 Difference]: Finished difference Result 243 states and 364 transitions. [2024-09-25 00:05:38,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-25 00:05:38,663 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 2.0) internal successors, (54), 26 states have internal predecessors, (54), 16 states have call successors, (28), 2 states have call predecessors, (28), 11 states have return successors, (27), 9 states have call predecessors, (27), 16 states have call successors, (27) Word has length 181 [2024-09-25 00:05:38,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:05:38,665 INFO L225 Difference]: With dead ends: 243 [2024-09-25 00:05:38,665 INFO L226 Difference]: Without dead ends: 173 [2024-09-25 00:05:38,666 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 407 SyntacticMatches, 9 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=362, Invalid=1708, Unknown=0, NotChecked=0, Total=2070 [2024-09-25 00:05:38,667 INFO L434 NwaCegarLoop]: 24 mSDtfsCounter, 41 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-25 00:05:38,667 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 196 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-25 00:05:38,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-09-25 00:05:38,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 160. [2024-09-25 00:05:38,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 83 states have (on average 1.0602409638554218) internal successors, (88), 83 states have internal predecessors, (88), 47 states have call successors, (47), 25 states have call predecessors, (47), 29 states have return successors, (82), 51 states have call predecessors, (82), 46 states have call successors, (82) [2024-09-25 00:05:38,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 217 transitions. [2024-09-25 00:05:38,688 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 217 transitions. Word has length 181 [2024-09-25 00:05:38,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:05:38,689 INFO L474 AbstractCegarLoop]: Abstraction has 160 states and 217 transitions. [2024-09-25 00:05:38,690 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 2.0) internal successors, (54), 26 states have internal predecessors, (54), 16 states have call successors, (28), 2 states have call predecessors, (28), 11 states have return successors, (27), 9 states have call predecessors, (27), 16 states have call successors, (27) [2024-09-25 00:05:38,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:38,690 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 217 transitions. [2024-09-25 00:05:38,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-09-25 00:05:38,692 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:05:38,692 INFO L216 NwaCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:05:38,707 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 00:05:38,892 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-09-25 00:05:38,893 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:05:38,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:05:38,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1713119149, now seen corresponding path program 9 times [2024-09-25 00:05:38,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:05:38,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795437343] [2024-09-25 00:05:38,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:05:38,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:05:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:39,704 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:05:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:39,707 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 00:05:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:40,372 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:40,529 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:40,590 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:40,609 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:40,613 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:40,618 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:05:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:40,636 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:40,641 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:40,646 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:40,692 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:40,717 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:40,722 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:40,745 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:05:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:40,767 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:40,777 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:40,781 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:05:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:40,937 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:40,979 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:40,998 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:41,002 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:41,006 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:05:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:41,024 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:41,029 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:41,032 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:05:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:41,075 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:41,099 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:41,104 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:41,108 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:05:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:41,130 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:41,134 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:05:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:41,139 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-09-25 00:05:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:41,177 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:41,212 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:41,245 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:05:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:05:41,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 47 proven. 707 refuted. 0 times theorem prover too weak. 1346 trivial. 0 not checked. [2024-09-25 00:05:41,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:05:41,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795437343] [2024-09-25 00:05:41,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795437343] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:05:41,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666724893] [2024-09-25 00:05:41,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-25 00:05:41,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:05:41,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:05:41,290 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-25 00:05:41,291 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-09-25 00:05:41,456 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 27 check-sat command(s) [2024-09-25 00:05:41,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:05:41,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 175 conjuncts are in the unsatisfiable core [2024-09-25 00:05:41,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:05:41,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2024-09-25 00:05:41,871 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:05:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 0 proven. 2025 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-09-25 00:05:44,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666724893] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:05:44,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:05:44,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 21, 58] total 86 [2024-09-25 00:05:44,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988623547] [2024-09-25 00:05:44,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:05:44,692 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-09-25 00:05:44,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:05:44,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-09-25 00:05:44,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=6990, Unknown=0, NotChecked=0, Total=7310 [2024-09-25 00:05:44,695 INFO L87 Difference]: Start difference. First operand 160 states and 217 transitions. Second operand has 86 states, 68 states have (on average 1.6470588235294117) internal successors, (112), 65 states have internal predecessors, (112), 29 states have call successors, (46), 19 states have call predecessors, (46), 43 states have return successors, (57), 44 states have call predecessors, (57), 29 states have call successors, (57) [2024-09-25 00:06:03,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:06:03,771 INFO L93 Difference]: Finished difference Result 527 states and 795 transitions. [2024-09-25 00:06:03,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-09-25 00:06:03,772 INFO L78 Accepts]: Start accepts. Automaton has has 86 states, 68 states have (on average 1.6470588235294117) internal successors, (112), 65 states have internal predecessors, (112), 29 states have call successors, (46), 19 states have call predecessors, (46), 43 states have return successors, (57), 44 states have call predecessors, (57), 29 states have call successors, (57) Word has length 187 [2024-09-25 00:06:03,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:06:03,776 INFO L225 Difference]: With dead ends: 527 [2024-09-25 00:06:03,776 INFO L226 Difference]: Without dead ends: 523 [2024-09-25 00:06:03,782 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 668 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17423 ImplicationChecksByTransitivity, 18.1s TimeCoverageRelationStatistics Valid=8192, Invalid=53064, Unknown=0, NotChecked=0, Total=61256 [2024-09-25 00:06:03,783 INFO L434 NwaCegarLoop]: 30 mSDtfsCounter, 1718 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 3107 mSolverCounterSat, 3583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1718 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 6690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3583 IncrementalHoareTripleChecker+Valid, 3107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-09-25 00:06:03,783 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1718 Valid, 873 Invalid, 6690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3583 Valid, 3107 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-09-25 00:06:03,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-09-25 00:06:03,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 440. [2024-09-25 00:06:03,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 236 states have (on average 1.0593220338983051) internal successors, (250), 232 states have internal predecessors, (250), 127 states have call successors, (127), 76 states have call predecessors, (127), 76 states have return successors, (257), 131 states have call predecessors, (257), 126 states have call successors, (257) [2024-09-25 00:06:03,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 634 transitions. [2024-09-25 00:06:03,854 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 634 transitions. Word has length 187 [2024-09-25 00:06:03,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:06:03,855 INFO L474 AbstractCegarLoop]: Abstraction has 440 states and 634 transitions. [2024-09-25 00:06:03,855 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 68 states have (on average 1.6470588235294117) internal successors, (112), 65 states have internal predecessors, (112), 29 states have call successors, (46), 19 states have call predecessors, (46), 43 states have return successors, (57), 44 states have call predecessors, (57), 29 states have call successors, (57) [2024-09-25 00:06:03,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:06:03,855 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 634 transitions. [2024-09-25 00:06:03,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-09-25 00:06:03,860 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:06:03,860 INFO L216 NwaCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:06:03,887 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-09-25 00:06:04,064 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:06:04,065 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:06:04,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:06:04,066 INFO L85 PathProgramCache]: Analyzing trace with hash -629811463, now seen corresponding path program 10 times [2024-09-25 00:06:04,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:06:04,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049093108] [2024-09-25 00:06:04,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:06:04,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:06:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,287 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:06:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,289 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 00:06:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,419 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,478 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,513 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,545 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,579 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,584 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,588 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,591 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,593 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:06:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,601 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,605 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,607 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,608 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,611 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,613 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,614 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:06:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,633 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,641 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,646 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,649 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,651 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,655 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,658 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,661 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:06:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,667 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,671 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,673 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,675 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,679 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,681 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,683 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-09-25 00:06:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,731 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,764 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,798 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,821 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:04,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 107 proven. 431 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2024-09-25 00:06:04,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:06:04,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049093108] [2024-09-25 00:06:04,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049093108] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:06:04,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858476218] [2024-09-25 00:06:04,865 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-25 00:06:04,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:06:04,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:06:04,871 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-25 00:06:04,879 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-25 00:06:05,054 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-25 00:06:05,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:06:05,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-25 00:06:05,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:06:05,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 115 proven. 415 refuted. 0 times theorem prover too weak. 1592 trivial. 0 not checked. [2024-09-25 00:06:05,246 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:06:06,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 115 proven. 447 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2024-09-25 00:06:06,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858476218] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:06:06,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:06:06,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15, 23] total 32 [2024-09-25 00:06:06,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093080080] [2024-09-25 00:06:06,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:06:06,681 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-25 00:06:06,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:06:06,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-25 00:06:06,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=837, Unknown=0, NotChecked=0, Total=992 [2024-09-25 00:06:06,682 INFO L87 Difference]: Start difference. First operand 440 states and 634 transitions. Second operand has 32 states, 31 states have (on average 2.0) internal successors, (62), 30 states have internal predecessors, (62), 18 states have call successors, (30), 2 states have call predecessors, (30), 13 states have return successors, (33), 11 states have call predecessors, (33), 18 states have call successors, (33) [2024-09-25 00:06:07,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:06:07,207 INFO L93 Difference]: Finished difference Result 686 states and 1091 transitions. [2024-09-25 00:06:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-25 00:06:07,208 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 2.0) internal successors, (62), 30 states have internal predecessors, (62), 18 states have call successors, (30), 2 states have call predecessors, (30), 13 states have return successors, (33), 11 states have call predecessors, (33), 18 states have call successors, (33) Word has length 193 [2024-09-25 00:06:07,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:06:07,212 INFO L225 Difference]: With dead ends: 686 [2024-09-25 00:06:07,212 INFO L226 Difference]: Without dead ends: 470 [2024-09-25 00:06:07,213 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 431 SyntacticMatches, 11 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 647 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=484, Invalid=2272, Unknown=0, NotChecked=0, Total=2756 [2024-09-25 00:06:07,214 INFO L434 NwaCegarLoop]: 17 mSDtfsCounter, 38 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-25 00:06:07,214 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 175 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-25 00:06:07,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-09-25 00:06:07,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 397. [2024-09-25 00:06:07,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 201 states have (on average 1.0597014925373134) internal successors, (213), 201 states have internal predecessors, (213), 121 states have call successors, (121), 61 states have call predecessors, (121), 74 states have return successors, (220), 134 states have call predecessors, (220), 120 states have call successors, (220) [2024-09-25 00:06:07,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 554 transitions. [2024-09-25 00:06:07,280 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 554 transitions. Word has length 193 [2024-09-25 00:06:07,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:06:07,280 INFO L474 AbstractCegarLoop]: Abstraction has 397 states and 554 transitions. [2024-09-25 00:06:07,280 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 2.0) internal successors, (62), 30 states have internal predecessors, (62), 18 states have call successors, (30), 2 states have call predecessors, (30), 13 states have return successors, (33), 11 states have call predecessors, (33), 18 states have call successors, (33) [2024-09-25 00:06:07,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:06:07,281 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 554 transitions. [2024-09-25 00:06:07,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2024-09-25 00:06:07,284 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:06:07,285 INFO L216 NwaCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:06:07,300 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-09-25 00:06:07,488 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-09-25 00:06:07,489 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:06:07,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:06:07,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1937197997, now seen corresponding path program 11 times [2024-09-25 00:06:07,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:06:07,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065656062] [2024-09-25 00:06:07,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:06:07,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:06:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:07,818 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:06:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:07,822 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 00:06:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,146 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,267 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,331 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,360 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,388 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,426 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,429 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,436 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,439 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,440 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:06:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,448 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,451 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,453 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,455 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,457 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,458 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,459 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:06:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,477 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,483 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,487 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,490 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,491 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,493 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,495 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,496 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:06:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,501 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,503 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,504 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,506 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,508 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,510 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,512 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-09-25 00:06:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,545 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,558 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,564 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,568 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,569 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,571 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,573 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,575 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,576 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:06:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,585 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,588 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,589 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,591 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,593 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,595 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,596 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:06:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,606 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,614 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,618 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,620 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,622 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,625 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,626 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,627 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:06:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,632 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,635 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,637 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,638 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,641 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,642 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,645 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-09-25 00:06:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,684 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,716 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,742 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:08,788 INFO L134 CoverageAnalysis]: Checked inductivity of 8772 backedges. 244 proven. 1105 refuted. 0 times theorem prover too weak. 7423 trivial. 0 not checked. [2024-09-25 00:06:08,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:06:08,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065656062] [2024-09-25 00:06:08,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065656062] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:06:08,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153536572] [2024-09-25 00:06:08,790 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-25 00:06:08,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:06:08,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:06:08,793 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-25 00:06:08,800 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-09-25 00:06:09,297 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 56 check-sat command(s) [2024-09-25 00:06:09,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:06:09,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 1644 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-25 00:06:09,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:06:09,462 INFO L134 CoverageAnalysis]: Checked inductivity of 8772 backedges. 839 proven. 501 refuted. 0 times theorem prover too weak. 7432 trivial. 0 not checked. [2024-09-25 00:06:09,463 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:06:11,270 INFO L134 CoverageAnalysis]: Checked inductivity of 8772 backedges. 842 proven. 533 refuted. 0 times theorem prover too weak. 7397 trivial. 0 not checked. [2024-09-25 00:06:11,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153536572] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:06:11,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:06:11,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15, 23] total 32 [2024-09-25 00:06:11,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116624086] [2024-09-25 00:06:11,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:06:11,271 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-25 00:06:11,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:06:11,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-25 00:06:11,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=838, Unknown=0, NotChecked=0, Total=992 [2024-09-25 00:06:11,272 INFO L87 Difference]: Start difference. First operand 397 states and 554 transitions. Second operand has 32 states, 31 states have (on average 1.967741935483871) internal successors, (61), 30 states have internal predecessors, (61), 19 states have call successors, (33), 2 states have call predecessors, (33), 13 states have return successors, (37), 14 states have call predecessors, (37), 19 states have call successors, (37) [2024-09-25 00:06:11,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:06:11,831 INFO L93 Difference]: Finished difference Result 532 states and 789 transitions. [2024-09-25 00:06:11,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-25 00:06:11,832 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 1.967741935483871) internal successors, (61), 30 states have internal predecessors, (61), 19 states have call successors, (33), 2 states have call predecessors, (33), 13 states have return successors, (37), 14 states have call predecessors, (37), 19 states have call successors, (37) Word has length 347 [2024-09-25 00:06:11,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:06:11,835 INFO L225 Difference]: With dead ends: 532 [2024-09-25 00:06:11,835 INFO L226 Difference]: Without dead ends: 426 [2024-09-25 00:06:11,836 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 864 GetRequests, 801 SyntacticMatches, 11 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 605 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=494, Invalid=2368, Unknown=0, NotChecked=0, Total=2862 [2024-09-25 00:06:11,837 INFO L434 NwaCegarLoop]: 27 mSDtfsCounter, 58 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-25 00:06:11,837 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 225 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-25 00:06:11,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-09-25 00:06:11,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 397. [2024-09-25 00:06:11,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 202 states have (on average 1.0594059405940595) internal successors, (214), 202 states have internal predecessors, (214), 121 states have call successors, (121), 62 states have call predecessors, (121), 73 states have return successors, (205), 132 states have call predecessors, (205), 120 states have call successors, (205) [2024-09-25 00:06:11,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 540 transitions. [2024-09-25 00:06:11,899 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 540 transitions. Word has length 347 [2024-09-25 00:06:11,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:06:11,900 INFO L474 AbstractCegarLoop]: Abstraction has 397 states and 540 transitions. [2024-09-25 00:06:11,900 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 1.967741935483871) internal successors, (61), 30 states have internal predecessors, (61), 19 states have call successors, (33), 2 states have call predecessors, (33), 13 states have return successors, (37), 14 states have call predecessors, (37), 19 states have call successors, (37) [2024-09-25 00:06:11,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:06:11,901 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 540 transitions. [2024-09-25 00:06:11,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2024-09-25 00:06:11,903 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:06:11,903 INFO L216 NwaCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:06:11,920 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-09-25 00:06:12,107 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-09-25 00:06:12,108 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:06:12,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:06:12,108 INFO L85 PathProgramCache]: Analyzing trace with hash -910163207, now seen corresponding path program 12 times [2024-09-25 00:06:12,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:06:12,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628593819] [2024-09-25 00:06:12,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:06:12,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:06:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:14,430 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:06:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:14,432 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 00:06:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,028 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,468 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,598 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,658 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,677 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,681 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,684 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,699 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,704 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,707 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:06:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,741 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,757 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,761 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,764 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,780 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,783 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,786 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:06:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,901 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,935 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,952 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,956 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,959 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,980 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,986 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:16,990 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:06:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,027 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,043 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,048 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,051 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,066 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,070 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,075 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-09-25 00:06:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,512 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,616 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,650 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,666 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,670 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,673 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,689 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,693 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,697 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:06:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,732 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,748 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,752 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,755 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,777 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,784 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,788 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:06:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,899 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,934 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,951 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,958 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,973 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,977 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:17,980 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:06:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:18,013 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:18,029 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:18,033 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:18,035 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:06:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:18,050 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:18,054 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:06:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:18,058 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-09-25 00:06:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:18,099 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:18,136 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:18,175 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:18,211 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:06:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:06:18,256 INFO L134 CoverageAnalysis]: Checked inductivity of 8794 backedges. 96 proven. 2942 refuted. 0 times theorem prover too weak. 5756 trivial. 0 not checked. [2024-09-25 00:06:18,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:06:18,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628593819] [2024-09-25 00:06:18,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628593819] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:06:18,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351517984] [2024-09-25 00:06:18,257 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-25 00:06:18,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:06:18,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:06:18,259 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-25 00:06:18,260 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-09-25 00:06:18,849 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 56 check-sat command(s) [2024-09-25 00:06:18,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:06:18,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 1658 conjuncts, 339 conjuncts are in the unsatisfiable core [2024-09-25 00:06:18,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:06:19,580 INFO L134 CoverageAnalysis]: Checked inductivity of 8794 backedges. 0 proven. 2940 refuted. 0 times theorem prover too weak. 5854 trivial. 0 not checked. [2024-09-25 00:06:19,580 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:06:27,182 INFO L134 CoverageAnalysis]: Checked inductivity of 8794 backedges. 0 proven. 8644 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-09-25 00:06:27,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351517984] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:06:27,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:06:27,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 25, 108] total 142 [2024-09-25 00:06:27,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235138327] [2024-09-25 00:06:27,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:06:27,183 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2024-09-25 00:06:27,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:06:27,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2024-09-25 00:06:27,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=514, Invalid=19508, Unknown=0, NotChecked=0, Total=20022 [2024-09-25 00:06:27,187 INFO L87 Difference]: Start difference. First operand 397 states and 540 transitions. Second operand has 142 states, 107 states have (on average 1.7102803738317758) internal successors, (183), 109 states have internal predecessors, (183), 54 states have call successors, (79), 35 states have call predecessors, (79), 71 states have return successors, (94), 73 states have call predecessors, (94), 54 states have call successors, (94) [2024-09-25 00:08:37,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:08:37,904 INFO L93 Difference]: Finished difference Result 1260 states and 1961 transitions. [2024-09-25 00:08:37,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 396 states. [2024-09-25 00:08:37,905 INFO L78 Accepts]: Start accepts. Automaton has has 142 states, 107 states have (on average 1.7102803738317758) internal successors, (183), 109 states have internal predecessors, (183), 54 states have call successors, (79), 35 states have call predecessors, (79), 71 states have return successors, (94), 73 states have call predecessors, (94), 54 states have call successors, (94) Word has length 353 [2024-09-25 00:08:37,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:08:37,913 INFO L225 Difference]: With dead ends: 1260 [2024-09-25 00:08:37,913 INFO L226 Difference]: Without dead ends: 1256 [2024-09-25 00:08:37,931 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1336 GetRequests, 814 SyntacticMatches, 0 SemanticMatches, 522 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86864 ImplicationChecksByTransitivity, 125.5s TimeCoverageRelationStatistics Valid=37171, Invalid=236881, Unknown=0, NotChecked=0, Total=274052 [2024-09-25 00:08:37,932 INFO L434 NwaCegarLoop]: 44 mSDtfsCounter, 6735 mSDsluCounter, 2209 mSDsCounter, 0 mSdLazyCounter, 7663 mSolverCounterSat, 16546 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6735 SdHoareTripleChecker+Valid, 2253 SdHoareTripleChecker+Invalid, 24209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16546 IncrementalHoareTripleChecker+Valid, 7663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2024-09-25 00:08:37,932 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [6735 Valid, 2253 Invalid, 24209 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16546 Valid, 7663 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2024-09-25 00:08:37,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2024-09-25 00:08:38,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1085. [2024-09-25 00:08:38,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 581 states have (on average 1.0499139414802066) internal successors, (610), 570 states have internal predecessors, (610), 326 states have call successors, (326), 197 states have call predecessors, (326), 177 states have return successors, (645), 317 states have call predecessors, (645), 325 states have call successors, (645) [2024-09-25 00:08:38,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1581 transitions. [2024-09-25 00:08:38,238 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1581 transitions. Word has length 353 [2024-09-25 00:08:38,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:08:38,238 INFO L474 AbstractCegarLoop]: Abstraction has 1085 states and 1581 transitions. [2024-09-25 00:08:38,239 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 107 states have (on average 1.7102803738317758) internal successors, (183), 109 states have internal predecessors, (183), 54 states have call successors, (79), 35 states have call predecessors, (79), 71 states have return successors, (94), 73 states have call predecessors, (94), 54 states have call successors, (94) [2024-09-25 00:08:38,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:08:38,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1581 transitions. [2024-09-25 00:08:38,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2024-09-25 00:08:38,244 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:08:38,244 INFO L216 NwaCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:08:38,277 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-09-25 00:08:38,444 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-09-25 00:08:38,445 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:08:38,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:08:38,445 INFO L85 PathProgramCache]: Analyzing trace with hash -870344211, now seen corresponding path program 13 times [2024-09-25 00:08:38,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:08:38,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071383755] [2024-09-25 00:08:38,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:08:38,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:08:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:38,735 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:08:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:38,736 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 00:08:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:38,926 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,002 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,038 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,059 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,072 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,090 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,092 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,094 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,095 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,096 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:08:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,100 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,102 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,103 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,104 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,105 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,106 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:08:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,117 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,120 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,121 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,122 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,123 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,125 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,125 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,126 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:08:39,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,129 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,131 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,131 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,132 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,134 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,134 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,135 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-09-25 00:08:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,161 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,168 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,172 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,173 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,174 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,175 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,177 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,178 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,179 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:08:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,182 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,183 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,184 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,185 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,186 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,187 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,188 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:08:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,195 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,199 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,200 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,201 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,202 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,203 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,204 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,205 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:08:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,208 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,210 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,211 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,211 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,213 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,214 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,215 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-09-25 00:08:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,243 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,264 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,283 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,299 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,315 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 8822 backedges. 244 proven. 1132 refuted. 0 times theorem prover too weak. 7446 trivial. 0 not checked. [2024-09-25 00:08:39,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:08:39,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071383755] [2024-09-25 00:08:39,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071383755] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:08:39,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437257391] [2024-09-25 00:08:39,340 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-25 00:08:39,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:08:39,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:08:39,341 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-25 00:08:39,342 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-09-25 00:08:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:39,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 1672 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-09-25 00:08:39,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:08:39,733 INFO L134 CoverageAnalysis]: Checked inductivity of 8822 backedges. 254 proven. 1112 refuted. 0 times theorem prover too weak. 7456 trivial. 0 not checked. [2024-09-25 00:08:39,734 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:08:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 8822 backedges. 254 proven. 1162 refuted. 0 times theorem prover too weak. 7406 trivial. 0 not checked. [2024-09-25 00:08:41,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437257391] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:08:41,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:08:41,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 27] total 36 [2024-09-25 00:08:41,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959003945] [2024-09-25 00:08:41,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:08:41,979 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-25 00:08:41,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:08:41,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-25 00:08:41,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1068, Unknown=0, NotChecked=0, Total=1260 [2024-09-25 00:08:41,980 INFO L87 Difference]: Start difference. First operand 1085 states and 1581 transitions. Second operand has 36 states, 35 states have (on average 1.9714285714285715) internal successors, (69), 34 states have internal predecessors, (69), 21 states have call successors, (34), 2 states have call predecessors, (34), 15 states have return successors, (40), 13 states have call predecessors, (40), 21 states have call successors, (40) [2024-09-25 00:08:42,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:08:42,797 INFO L93 Difference]: Finished difference Result 1655 states and 2599 transitions. [2024-09-25 00:08:42,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-25 00:08:42,797 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 1.9714285714285715) internal successors, (69), 34 states have internal predecessors, (69), 21 states have call successors, (34), 2 states have call predecessors, (34), 15 states have return successors, (40), 13 states have call predecessors, (40), 21 states have call successors, (40) Word has length 359 [2024-09-25 00:08:42,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:08:42,807 INFO L225 Difference]: With dead ends: 1655 [2024-09-25 00:08:42,807 INFO L226 Difference]: Without dead ends: 1183 [2024-09-25 00:08:42,811 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 897 GetRequests, 825 SyntacticMatches, 13 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 899 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=637, Invalid=3023, Unknown=0, NotChecked=0, Total=3660 [2024-09-25 00:08:42,812 INFO L434 NwaCegarLoop]: 20 mSDtfsCounter, 64 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-25 00:08:42,812 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 265 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-25 00:08:42,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2024-09-25 00:08:43,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 980. [2024-09-25 00:08:43,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 980 states, 493 states have (on average 1.054766734279919) internal successors, (520), 493 states have internal predecessors, (520), 305 states have call successors, (305), 153 states have call predecessors, (305), 181 states have return successors, (533), 333 states have call predecessors, (533), 304 states have call successors, (533) [2024-09-25 00:08:43,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1358 transitions. [2024-09-25 00:08:43,140 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1358 transitions. Word has length 359 [2024-09-25 00:08:43,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:08:43,141 INFO L474 AbstractCegarLoop]: Abstraction has 980 states and 1358 transitions. [2024-09-25 00:08:43,141 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 1.9714285714285715) internal successors, (69), 34 states have internal predecessors, (69), 21 states have call successors, (34), 2 states have call predecessors, (34), 15 states have return successors, (40), 13 states have call predecessors, (40), 21 states have call successors, (40) [2024-09-25 00:08:43,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:08:43,141 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1358 transitions. [2024-09-25 00:08:43,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2024-09-25 00:08:43,147 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:08:43,147 INFO L216 NwaCegarLoop]: trace histogram [95, 95, 48, 47, 47, 47, 47, 47, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:08:43,163 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-09-25 00:08:43,351 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-09-25 00:08:43,352 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:08:43,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:08:43,352 INFO L85 PathProgramCache]: Analyzing trace with hash -2092596487, now seen corresponding path program 14 times [2024-09-25 00:08:43,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:08:43,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808897504] [2024-09-25 00:08:43,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:08:43,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:08:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:43,871 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:08:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:43,873 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 00:08:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:44,457 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:44,802 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:44,931 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:44,981 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,008 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,026 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,046 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,049 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,052 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,054 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,055 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:08:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,062 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,064 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,066 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,067 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,069 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,070 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,074 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:08:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,088 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,093 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,096 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,097 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,098 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,100 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,101 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,102 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:08:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,105 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,106 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,107 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,108 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,111 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,112 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-09-25 00:08:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,135 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,142 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,146 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,147 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,148 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,149 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,150 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,151 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,152 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:08:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,155 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,157 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,158 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,159 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,160 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,161 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,162 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:08:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,169 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,173 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,175 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,176 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,177 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,179 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,180 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,180 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:08:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,184 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,186 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,187 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,187 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,189 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,190 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,191 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-09-25 00:08:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,269 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,310 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,335 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,353 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,360 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,362 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,366 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,368 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,369 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:08:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,374 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,377 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,378 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,378 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,380 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,381 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,382 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:08:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,394 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,400 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,402 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,403 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,404 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,406 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,407 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,408 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:08:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,412 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,414 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,415 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,416 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,418 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,419 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,420 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2024-09-25 00:08:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,428 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,430 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,431 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,432 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:45,434 INFO L134 CoverageAnalysis]: Checked inductivity of 20074 backedges. 1634 proven. 2187 refuted. 0 times theorem prover too weak. 16253 trivial. 0 not checked. [2024-09-25 00:08:45,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:08:45,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808897504] [2024-09-25 00:08:45,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808897504] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:08:45,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867699060] [2024-09-25 00:08:45,434 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-25 00:08:45,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:08:45,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:08:45,436 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-25 00:08:45,437 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-09-25 00:08:45,793 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-25 00:08:45,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:08:45,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 2442 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-09-25 00:08:45,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:08:45,898 INFO L134 CoverageAnalysis]: Checked inductivity of 20074 backedges. 1640 proven. 2215 refuted. 0 times theorem prover too weak. 16219 trivial. 0 not checked. [2024-09-25 00:08:45,898 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:08:48,686 INFO L134 CoverageAnalysis]: Checked inductivity of 20074 backedges. 1640 proven. 2256 refuted. 0 times theorem prover too weak. 16178 trivial. 0 not checked. [2024-09-25 00:08:48,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867699060] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:08:48,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:08:48,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 25] total 31 [2024-09-25 00:08:48,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052319304] [2024-09-25 00:08:48,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:08:48,687 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-09-25 00:08:48,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:08:48,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-09-25 00:08:48,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=761, Unknown=0, NotChecked=0, Total=930 [2024-09-25 00:08:48,689 INFO L87 Difference]: Start difference. First operand 980 states and 1358 transitions. Second operand has 31 states, 30 states have (on average 2.2333333333333334) internal successors, (67), 29 states have internal predecessors, (67), 24 states have call successors, (45), 3 states have call predecessors, (45), 14 states have return successors, (46), 12 states have call predecessors, (46), 24 states have call successors, (46) [2024-09-25 00:08:49,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:08:49,506 INFO L93 Difference]: Finished difference Result 1346 states and 1938 transitions. [2024-09-25 00:08:49,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-25 00:08:49,506 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 2.2333333333333334) internal successors, (67), 29 states have internal predecessors, (67), 24 states have call successors, (45), 3 states have call predecessors, (45), 14 states have return successors, (46), 12 states have call predecessors, (46), 24 states have call successors, (46) Word has length 513 [2024-09-25 00:08:49,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:08:49,514 INFO L225 Difference]: With dead ends: 1346 [2024-09-25 00:08:49,514 INFO L226 Difference]: Without dead ends: 1180 [2024-09-25 00:08:49,516 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1273 GetRequests, 1201 SyntacticMatches, 12 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=900, Invalid=2882, Unknown=0, NotChecked=0, Total=3782 [2024-09-25 00:08:49,516 INFO L434 NwaCegarLoop]: 31 mSDtfsCounter, 75 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-25 00:08:49,517 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 180 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-25 00:08:49,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2024-09-25 00:08:49,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 977. [2024-09-25 00:08:49,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 492 states have (on average 1.0548780487804879) internal successors, (519), 492 states have internal predecessors, (519), 305 states have call successors, (305), 154 states have call predecessors, (305), 179 states have return successors, (501), 330 states have call predecessors, (501), 304 states have call successors, (501) [2024-09-25 00:08:49,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1325 transitions. [2024-09-25 00:08:49,744 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1325 transitions. Word has length 513 [2024-09-25 00:08:49,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:08:49,745 INFO L474 AbstractCegarLoop]: Abstraction has 977 states and 1325 transitions. [2024-09-25 00:08:49,745 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 2.2333333333333334) internal successors, (67), 29 states have internal predecessors, (67), 24 states have call successors, (45), 3 states have call predecessors, (45), 14 states have return successors, (46), 12 states have call predecessors, (46), 24 states have call successors, (46) [2024-09-25 00:08:49,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:08:49,746 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1325 transitions. [2024-09-25 00:08:49,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2024-09-25 00:08:49,752 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:08:49,752 INFO L216 NwaCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:08:49,774 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-09-25 00:08:49,956 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,17 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:08:49,957 INFO L399 AbstractCegarLoop]: === Iteration 18 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:08:49,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:08:49,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1634968839, now seen corresponding path program 15 times [2024-09-25 00:08:49,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:08:49,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881863321] [2024-09-25 00:08:49,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:08:49,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:08:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:50,807 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:08:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:50,809 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 00:08:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,280 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,484 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,569 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,608 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,631 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,645 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,664 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,666 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,669 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,670 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,670 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:08:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,675 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,676 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,677 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,678 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,679 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,680 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,681 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:08:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,692 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,695 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,697 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,698 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,698 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,700 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,701 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,702 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:08:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,705 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,706 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,707 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,708 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,709 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,710 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,711 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-09-25 00:08:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,733 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,741 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,745 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,746 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,747 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,748 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,749 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,750 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,751 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:08:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,754 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,756 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,756 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,757 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,759 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,759 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,760 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:08:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,767 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,770 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,772 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,772 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,773 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,775 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,775 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,776 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:08:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,779 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,781 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,782 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,783 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,784 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,785 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,786 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-09-25 00:08:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,850 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,866 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,876 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,881 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,883 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,884 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,885 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,887 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,889 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,890 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:08:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,895 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,897 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,898 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,899 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,901 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,902 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,902 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:08:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,910 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,914 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,915 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,916 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,917 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,919 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,920 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,921 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:08:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,925 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,926 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,927 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,928 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,930 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,931 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,932 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-09-25 00:08:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,958 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,969 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,974 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,976 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,977 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,978 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,980 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,981 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,982 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:08:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,987 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,989 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,990 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,992 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,993 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,994 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:51,995 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:08:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,003 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,008 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,010 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,011 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,012 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,014 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,015 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,016 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:08:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,020 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,022 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,022 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,023 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:08:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,025 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,026 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:08:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,028 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2024-09-25 00:08:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,054 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,141 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,158 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,173 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:08:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:08:52,198 INFO L134 CoverageAnalysis]: Checked inductivity of 35962 backedges. 525 proven. 2772 refuted. 0 times theorem prover too weak. 32665 trivial. 0 not checked. [2024-09-25 00:08:52,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:08:52,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881863321] [2024-09-25 00:08:52,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881863321] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:08:52,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188232514] [2024-09-25 00:08:52,199 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-25 00:08:52,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:08:52,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:08:52,201 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-25 00:08:52,202 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-09-25 00:08:52,544 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2024-09-25 00:08:52,545 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:08:52,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-09-25 00:08:52,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:08:52,736 INFO L134 CoverageAnalysis]: Checked inductivity of 35962 backedges. 492 proven. 2446 refuted. 0 times theorem prover too weak. 33024 trivial. 0 not checked. [2024-09-25 00:08:52,736 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 00:08:54,840 INFO L134 CoverageAnalysis]: Checked inductivity of 35962 backedges. 492 proven. 2487 refuted. 0 times theorem prover too weak. 32983 trivial. 0 not checked. [2024-09-25 00:08:54,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188232514] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 00:08:54,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 00:08:54,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16, 25] total 42 [2024-09-25 00:08:54,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347435564] [2024-09-25 00:08:54,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 00:08:54,842 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-09-25 00:08:54,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 00:08:54,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-09-25 00:08:54,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=1521, Unknown=0, NotChecked=0, Total=1722 [2024-09-25 00:08:54,843 INFO L87 Difference]: Start difference. First operand 977 states and 1325 transitions. Second operand has 42 states, 40 states have (on average 1.875) internal successors, (75), 39 states have internal predecessors, (75), 26 states have call successors, (36), 2 states have call predecessors, (36), 23 states have return successors, (48), 24 states have call predecessors, (48), 26 states have call successors, (48) [2024-09-25 00:08:56,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 00:08:56,410 INFO L93 Difference]: Finished difference Result 1511 states and 1970 transitions. [2024-09-25 00:08:56,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-09-25 00:08:56,410 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 40 states have (on average 1.875) internal successors, (75), 39 states have internal predecessors, (75), 26 states have call successors, (36), 2 states have call predecessors, (36), 23 states have return successors, (48), 24 states have call predecessors, (48), 26 states have call successors, (48) Word has length 673 [2024-09-25 00:08:56,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 00:08:56,423 INFO L225 Difference]: With dead ends: 1511 [2024-09-25 00:08:56,423 INFO L226 Difference]: Without dead ends: 1507 [2024-09-25 00:08:56,425 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1681 GetRequests, 1586 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2346 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1315, Invalid=7997, Unknown=0, NotChecked=0, Total=9312 [2024-09-25 00:08:56,426 INFO L434 NwaCegarLoop]: 30 mSDtfsCounter, 153 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 1330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-09-25 00:08:56,426 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 314 Invalid, 1330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-09-25 00:08:56,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1507 states. [2024-09-25 00:08:56,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1507 to 980. [2024-09-25 00:08:56,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 980 states, 494 states have (on average 1.0546558704453441) internal successors, (521), 494 states have internal predecessors, (521), 305 states have call successors, (305), 154 states have call predecessors, (305), 180 states have return successors, (502), 331 states have call predecessors, (502), 304 states have call successors, (502) [2024-09-25 00:08:56,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1328 transitions. [2024-09-25 00:08:56,910 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1328 transitions. Word has length 673 [2024-09-25 00:08:56,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 00:08:56,911 INFO L474 AbstractCegarLoop]: Abstraction has 980 states and 1328 transitions. [2024-09-25 00:08:56,911 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 40 states have (on average 1.875) internal successors, (75), 39 states have internal predecessors, (75), 26 states have call successors, (36), 2 states have call predecessors, (36), 23 states have return successors, (48), 24 states have call predecessors, (48), 26 states have call successors, (48) [2024-09-25 00:08:56,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:08:56,912 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1328 transitions. [2024-09-25 00:08:56,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2024-09-25 00:08:56,922 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 00:08:56,922 INFO L216 NwaCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-25 00:08:56,939 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-09-25 00:08:57,126 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-09-25 00:08:57,127 INFO L399 AbstractCegarLoop]: === Iteration 19 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 00:08:57,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 00:08:57,127 INFO L85 PathProgramCache]: Analyzing trace with hash -62262803, now seen corresponding path program 16 times [2024-09-25 00:08:57,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 00:08:57,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123448901] [2024-09-25 00:08:57,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 00:08:57,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 00:08:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:07,277 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 00:09:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:07,280 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 00:09:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:16,920 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:19,286 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:19,902 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,070 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,143 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,163 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,168 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,175 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:09:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,196 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,201 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,206 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:09:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,252 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,271 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,276 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,281 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:09:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,301 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,306 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,310 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:09:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,450 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,496 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,516 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,521 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,525 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:09:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,546 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,551 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,556 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:09:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,602 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,623 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,628 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,633 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:09:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,653 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,658 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:20,664 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-09-25 00:09:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,263 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,403 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,452 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,479 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,486 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,490 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:09:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,506 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,513 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,516 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:09:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,549 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,570 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,573 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,576 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:09:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,595 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,598 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,601 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:09:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,738 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,784 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,807 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,812 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,817 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:09:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,842 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,846 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,849 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:09:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,883 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,899 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,903 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,906 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:09:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,921 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,926 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:21,929 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-09-25 00:09:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:23,518 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:23,900 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,038 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,071 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,086 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,089 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,092 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:09:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,106 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:09:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,145 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,160 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,163 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,166 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:09:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,181 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,184 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,187 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:09:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,292 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,325 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,340 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,343 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,346 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:09:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,360 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,367 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:09:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,399 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,414 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,418 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,421 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:09:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,435 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,439 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,442 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-09-25 00:09:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,829 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,935 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,969 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,985 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,989 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:24,992 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:09:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,007 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,012 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,015 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:09:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,050 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,067 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,071 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,074 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:09:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,091 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,094 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,098 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 00:09:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,201 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,236 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,252 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,257 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,260 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:09:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,280 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,284 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,287 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 00:09:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,321 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,339 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,343 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,346 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 00:09:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,367 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,372 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 00:09:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,376 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2024-09-25 00:09:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,421 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,463 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,505 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,547 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,589 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 00:09:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 00:09:25,639 INFO L134 CoverageAnalysis]: Checked inductivity of 35990 backedges. 193 proven. 12012 refuted. 0 times theorem prover too weak. 23785 trivial. 0 not checked. [2024-09-25 00:09:25,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 00:09:25,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123448901] [2024-09-25 00:09:25,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123448901] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 00:09:25,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816382379] [2024-09-25 00:09:25,640 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-25 00:09:25,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 00:09:25,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 00:09:25,641 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-25 00:09:25,642 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-09-25 00:09:26,161 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-25 00:09:26,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 00:09:26,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 3240 conjuncts, 663 conjuncts are in the unsatisfiable core [2024-09-25 00:09:26,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 00:09:27,259 INFO L134 CoverageAnalysis]: Checked inductivity of 35990 backedges. 0 proven. 12010 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2024-09-25 00:09:27,259 INFO L327 TraceCheckSpWp]: Computing backward predicates...