./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 --traceabstraction.encode.modifies.clause.in.ensures.clause.of.contracts true --witnessprinter.yaml.format.version 2.1 --witnessprinter.generate.graphml.witnesses false --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 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 --traceabstraction.encode.modifies.clause.in.ensures.clause.of.contracts true --witnessprinter.yaml.format.version 2.1 --witnessprinter.generate.graphml.witnesses false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:24:37,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:24:37,583 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-25 11:24:37,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:24:37,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:24:37,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:24:37,618 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:24:37,618 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:24:37,618 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:24:37,619 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:24:37,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:24:37,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:24:37,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:24:37,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:24:37,623 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:24:37,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:24:37,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:24:37,624 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:24:37,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:24:37,624 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:24:37,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:24:37,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:24:37,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:24:37,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:24:37,626 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:24:37,626 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:24:37,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:24:37,627 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:24:37,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:24:37,627 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:24:37,627 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:24:37,628 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:24:37,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:24:37,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:24:37,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:24:37,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:24:37,629 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:24:37,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:24:37,630 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:24:37,630 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:24:37,630 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:24:37,630 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:24:37,631 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.plugins.generator.traceabstraction: Encode 'modifies' clause in 'ensures' clause of contracts -> true 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 11:24:37,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:24:37,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:24:37,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:24:37,901 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:24:37,901 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:24:37,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/recursive/recHanoi01.c [2024-09-25 11:24:39,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:24:39,697 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:24:39,699 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/recHanoi01.c [2024-09-25 11:24:39,709 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/2c50170a7/7f7f7982a10c4f789cb4850e0fbea2f7/FLAG6d48ba80a [2024-09-25 11:24:40,100 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/2c50170a7/7f7f7982a10c4f789cb4850e0fbea2f7 [2024-09-25 11:24:40,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:24:40,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-25 11:24:40,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:24:40,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:24:40,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:24:40,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:24:40" (1/1) ... [2024-09-25 11:24:40,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63c3a5c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:40, skipping insertion in model container [2024-09-25 11:24:40,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:24:40" (1/1) ... [2024-09-25 11:24:40,141 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:24:40,282 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 11:24:40,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:24:40,300 INFO L200 MainTranslator]: Completed pre-run [2024-09-25 11:24:40,313 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 11:24:40,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:24:40,329 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:24:40,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:40 WrapperNode [2024-09-25 11:24:40,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:24:40,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-25 11:24:40,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-25 11:24:40,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-25 11:24:40,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:40" (1/1) ... [2024-09-25 11:24:40,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:40" (1/1) ... [2024-09-25 11:24:40,350 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-25 11:24:40,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-25 11:24:40,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:24:40,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:24:40,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:24:40,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:40" (1/1) ... [2024-09-25 11:24:40,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:40" (1/1) ... [2024-09-25 11:24:40,361 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:40" (1/1) ... [2024-09-25 11:24:40,377 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 11:24:40,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:40" (1/1) ... [2024-09-25 11:24:40,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:40" (1/1) ... [2024-09-25 11:24:40,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:40" (1/1) ... [2024-09-25 11:24:40,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:40" (1/1) ... [2024-09-25 11:24:40,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:40" (1/1) ... [2024-09-25 11:24:40,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:40" (1/1) ... [2024-09-25 11:24:40,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:24:40,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:24:40,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:24:40,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:24:40,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:40" (1/1) ... [2024-09-25 11:24:40,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:24:40,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:24:40,424 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 11:24:40,429 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 11:24:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:24:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2024-09-25 11:24:40,475 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2024-09-25 11:24:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2024-09-25 11:24:40,475 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2024-09-25 11:24:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:24:40,476 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:24:40,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-25 11:24:40,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:24:40,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:24:40,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:24:40,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:24:40,523 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:24:40,525 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:24:40,667 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-09-25 11:24:40,668 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:24:40,692 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:24:40,695 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 11:24:40,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:24:40 BoogieIcfgContainer [2024-09-25 11:24:40,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:24:40,697 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-25 11:24:40,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-25 11:24:40,703 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-25 11:24:40,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:24:40" (1/3) ... [2024-09-25 11:24:40,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258c09ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:24:40, skipping insertion in model container [2024-09-25 11:24:40,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:24:40" (2/3) ... [2024-09-25 11:24:40,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258c09ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:24:40, skipping insertion in model container [2024-09-25 11:24:40,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:24:40" (3/3) ... [2024-09-25 11:24:40,706 INFO L112 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2024-09-25 11:24:40,731 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-25 11:24:40,732 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-25 11:24:40,782 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-25 11:24:40,788 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;@38a1d743, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-25 11:24:40,788 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-25 11:24:40,792 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 11:24:40,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-09-25 11:24:40,799 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:24:40,799 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 11:24:40,800 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:24:40,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:40,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1116782284, now seen corresponding path program 1 times [2024-09-25 11:24:40,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:24:40,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816008682] [2024-09-25 11:24:40,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:24:40,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:24:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:41,051 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:24:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:41,064 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 11:24:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:41,136 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-25 11:24:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:41,145 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 11:24:41,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:24:41,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816008682] [2024-09-25 11:24:41,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816008682] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-25 11:24:41,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-25 11:24:41,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-25 11:24:41,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187094242] [2024-09-25 11:24:41,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-25 11:24:41,158 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-25 11:24:41,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:24:41,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-25 11:24:41,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-25 11:24:41,182 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 11:24:41,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:24:41,332 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2024-09-25 11:24:41,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-25 11:24:41,334 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 11:24:41,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:24:41,340 INFO L225 Difference]: With dead ends: 47 [2024-09-25 11:24:41,340 INFO L226 Difference]: Without dead ends: 26 [2024-09-25 11:24:41,342 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-09-25 11:24:41,344 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 11:24:41,345 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 11:24:41,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-09-25 11:24:41,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-09-25 11:24:41,374 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 11:24:41,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2024-09-25 11:24:41,376 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 19 [2024-09-25 11:24:41,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:24:41,376 INFO L474 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2024-09-25 11:24:41,377 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 11:24:41,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:41,377 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-09-25 11:24:41,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-09-25 11:24:41,379 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:24:41,379 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 11:24:41,379 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-25 11:24:41,379 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:24:41,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:41,380 INFO L85 PathProgramCache]: Analyzing trace with hash -715877671, now seen corresponding path program 1 times [2024-09-25 11:24:41,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:24:41,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539343981] [2024-09-25 11:24:41,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:24:41,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:24:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:41,588 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:24:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:41,593 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 11:24:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:41,721 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:41,730 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:41,746 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-09-25 11:24:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:41,774 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 11:24:41,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:24:41,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539343981] [2024-09-25 11:24:41,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539343981] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:24:41,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160785939] [2024-09-25 11:24:41,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:24:41,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:24:41,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:24:41,778 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 11:24:41,784 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 11:24:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:41,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-09-25 11:24:41,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:24:41,978 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 11:24:41,979 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:24:42,138 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 11:24:42,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160785939] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:24:42,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:24:42,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 17 [2024-09-25 11:24:42,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18253210] [2024-09-25 11:24:42,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:24:42,143 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-25 11:24:42,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:24:42,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-25 11:24:42,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-09-25 11:24:42,147 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 11:24:42,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:24:42,612 INFO L93 Difference]: Finished difference Result 77 states and 107 transitions. [2024-09-25 11:24:42,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-25 11:24:42,612 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 11:24:42,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:24:42,614 INFO L225 Difference]: With dead ends: 77 [2024-09-25 11:24:42,615 INFO L226 Difference]: Without dead ends: 71 [2024-09-25 11:24:42,616 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 11:24:42,617 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, 0.3s IncrementalHoareTripleChecker+Time [2024-09-25 11:24:42,618 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 123 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-25 11:24:42,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-09-25 11:24:42,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 60. [2024-09-25 11:24:42,650 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 11:24:42,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 86 transitions. [2024-09-25 11:24:42,652 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 86 transitions. Word has length 29 [2024-09-25 11:24:42,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:24:42,652 INFO L474 AbstractCegarLoop]: Abstraction has 60 states and 86 transitions. [2024-09-25 11:24:42,652 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 11:24:42,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:42,653 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2024-09-25 11:24:42,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-09-25 11:24:42,654 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:24:42,655 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 11:24:42,668 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 11:24:42,858 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 11:24:42,859 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:24:42,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:42,860 INFO L85 PathProgramCache]: Analyzing trace with hash 334206910, now seen corresponding path program 2 times [2024-09-25 11:24:42,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:24:42,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713556717] [2024-09-25 11:24:42,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:24:42,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:24:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:42,908 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:24:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:42,910 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 11:24:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:42,950 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:42,986 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:43,018 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:43,038 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:43,043 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-09-25 11:24:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:43,046 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 11:24:43,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:24:43,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713556717] [2024-09-25 11:24:43,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713556717] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:24:43,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381714821] [2024-09-25 11:24:43,049 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-25 11:24:43,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:24:43,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:24:43,051 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 11:24:43,052 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 11:24:43,102 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-25 11:24:43,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:24:43,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-25 11:24:43,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:24:43,189 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 11:24:43,193 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:24:43,490 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 11:24:43,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381714821] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:24:43,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:24:43,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 11] total 18 [2024-09-25 11:24:43,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373506713] [2024-09-25 11:24:43,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:24:43,491 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-09-25 11:24:43,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:24:43,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-09-25 11:24:43,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2024-09-25 11:24:43,492 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 11:24:43,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:24:43,761 INFO L93 Difference]: Finished difference Result 111 states and 172 transitions. [2024-09-25 11:24:43,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-25 11:24:43,762 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 11:24:43,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:24:43,764 INFO L225 Difference]: With dead ends: 111 [2024-09-25 11:24:43,764 INFO L226 Difference]: Without dead ends: 77 [2024-09-25 11:24:43,765 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 11:24:43,765 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, 0.2s IncrementalHoareTripleChecker+Time [2024-09-25 11:24:43,766 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 148 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-25 11:24:43,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-09-25 11:24:43,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 58. [2024-09-25 11:24:43,785 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 11:24:43,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2024-09-25 11:24:43,786 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 39 [2024-09-25 11:24:43,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:24:43,787 INFO L474 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2024-09-25 11:24:43,787 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 11:24:43,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:43,787 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2024-09-25 11:24:43,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-09-25 11:24:43,793 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:24:43,793 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 11:24:43,819 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 11:24:43,993 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 11:24:43,994 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:24:43,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:43,994 INFO L85 PathProgramCache]: Analyzing trace with hash 2051145677, now seen corresponding path program 1 times [2024-09-25 11:24:43,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:24:43,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847049290] [2024-09-25 11:24:43,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:24:43,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:24:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:44,056 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:24:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:44,058 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 11:24:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:44,095 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:44,121 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:44,124 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-09-25 11:24:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:44,152 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:44,192 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 11:24:44,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:24:44,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847049290] [2024-09-25 11:24:44,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847049290] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:24:44,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361650169] [2024-09-25 11:24:44,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:24:44,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:24:44,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:24:44,196 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 11:24:44,198 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 11:24:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:44,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-25 11:24:44,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:24:44,290 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 11:24:44,290 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:24:44,490 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 11:24:44,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361650169] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:24:44,491 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:24:44,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 11] total 20 [2024-09-25 11:24:44,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606366380] [2024-09-25 11:24:44,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:24:44,491 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-09-25 11:24:44,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:24:44,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-09-25 11:24:44,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2024-09-25 11:24:44,493 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 11:24:44,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:24:44,661 INFO L93 Difference]: Finished difference Result 65 states and 79 transitions. [2024-09-25 11:24:44,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-25 11:24:44,662 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 11:24:44,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:24:44,663 INFO L225 Difference]: With dead ends: 65 [2024-09-25 11:24:44,663 INFO L226 Difference]: Without dead ends: 53 [2024-09-25 11:24:44,663 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 11:24:44,664 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 11:24:44,664 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 11:24:44,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-09-25 11:24:44,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2024-09-25 11:24:44,672 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 11:24:44,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2024-09-25 11:24:44,673 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 35 [2024-09-25 11:24:44,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:24:44,673 INFO L474 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2024-09-25 11:24:44,673 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 11:24:44,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:44,674 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2024-09-25 11:24:44,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-09-25 11:24:44,675 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:24:44,675 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 11:24:44,689 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-25 11:24:44,878 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 11:24:44,879 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:24:44,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:44,880 INFO L85 PathProgramCache]: Analyzing trace with hash 2007684205, now seen corresponding path program 2 times [2024-09-25 11:24:44,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:24:44,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755768249] [2024-09-25 11:24:44,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:24:44,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:24:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:45,059 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:24:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:45,061 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 11:24:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:45,170 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:45,255 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:45,263 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:45,288 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:24:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:45,344 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:45,351 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:45,362 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-09-25 11:24:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:45,394 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:45,423 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 11:24:45,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:24:45,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755768249] [2024-09-25 11:24:45,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755768249] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:24:45,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176908882] [2024-09-25 11:24:45,424 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-25 11:24:45,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:24:45,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:24:45,425 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 11:24:45,426 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 11:24:45,477 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-25 11:24:45,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:24:45,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-09-25 11:24:45,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:24:45,632 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 11:24:45,632 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:24:46,036 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 11:24:46,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176908882] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:24:46,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:24:46,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13, 18] total 34 [2024-09-25 11:24:46,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813807564] [2024-09-25 11:24:46,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:24:46,038 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-09-25 11:24:46,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:24:46,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-09-25 11:24:46,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=998, Unknown=0, NotChecked=0, Total=1122 [2024-09-25 11:24:46,040 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 11:24:46,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:24:46,881 INFO L93 Difference]: Finished difference Result 104 states and 142 transitions. [2024-09-25 11:24:46,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-25 11:24:46,882 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 11:24:46,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:24:46,883 INFO L225 Difference]: With dead ends: 104 [2024-09-25 11:24:46,883 INFO L226 Difference]: Without dead ends: 100 [2024-09-25 11:24:46,885 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 850 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=532, Invalid=3250, Unknown=0, NotChecked=0, Total=3782 [2024-09-25 11:24:46,885 INFO L434 NwaCegarLoop]: 16 mSDtfsCounter, 182 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-25 11:24:46,886 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 194 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-25 11:24:46,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-09-25 11:24:46,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 83. [2024-09-25 11:24:46,899 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 11:24:46,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 114 transitions. [2024-09-25 11:24:46,900 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 114 transitions. Word has length 55 [2024-09-25 11:24:46,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:24:46,900 INFO L474 AbstractCegarLoop]: Abstraction has 83 states and 114 transitions. [2024-09-25 11:24:46,901 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 11:24:46,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:46,901 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 114 transitions. [2024-09-25 11:24:46,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-09-25 11:24:46,903 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:24:46,903 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 11:24:46,916 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 11:24:47,107 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 11:24:47,108 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:24:47,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:47,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1984388281, now seen corresponding path program 3 times [2024-09-25 11:24:47,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:24:47,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682779490] [2024-09-25 11:24:47,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:24:47,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:24:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:47,175 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:24:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:47,177 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 11:24:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:47,207 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:47,222 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:47,240 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:47,242 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:24:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:47,246 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:47,247 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:47,249 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-09-25 11:24:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:47,272 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:47,286 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:47,306 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 11:24:47,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:24:47,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682779490] [2024-09-25 11:24:47,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682779490] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:24:47,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948055076] [2024-09-25 11:24:47,307 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-25 11:24:47,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:24:47,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:24:47,309 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 11:24:47,310 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 11:24:47,359 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-09-25 11:24:47,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:24:47,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-25 11:24:47,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:24:47,422 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 11:24:47,423 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:24:47,831 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 11:24:47,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948055076] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:24:47,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:24:47,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 15] total 24 [2024-09-25 11:24:47,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777269279] [2024-09-25 11:24:47,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:24:47,832 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-25 11:24:47,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:24:47,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-25 11:24:47,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2024-09-25 11:24:47,834 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 11:24:48,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:24:48,090 INFO L93 Difference]: Finished difference Result 145 states and 223 transitions. [2024-09-25 11:24:48,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-25 11:24:48,091 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 11:24:48,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:24:48,096 INFO L225 Difference]: With dead ends: 145 [2024-09-25 11:24:48,096 INFO L226 Difference]: Without dead ends: 79 [2024-09-25 11:24:48,097 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 11:24:48,097 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, 0.1s IncrementalHoareTripleChecker+Time [2024-09-25 11:24:48,097 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 162 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-25 11:24:48,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-09-25 11:24:48,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 69. [2024-09-25 11:24:48,118 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 11:24:48,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 93 transitions. [2024-09-25 11:24:48,121 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 93 transitions. Word has length 61 [2024-09-25 11:24:48,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:24:48,121 INFO L474 AbstractCegarLoop]: Abstraction has 69 states and 93 transitions. [2024-09-25 11:24:48,121 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 11:24:48,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:48,122 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2024-09-25 11:24:48,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-09-25 11:24:48,127 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:24:48,127 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 11:24:48,141 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 11:24:48,331 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 11:24:48,332 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:24:48,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:48,332 INFO L85 PathProgramCache]: Analyzing trace with hash 617404749, now seen corresponding path program 4 times [2024-09-25 11:24:48,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:24:48,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155489333] [2024-09-25 11:24:48,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:24:48,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:24:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:48,382 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:24:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:48,384 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 11:24:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:48,442 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:48,468 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:48,483 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:48,502 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:48,504 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:24:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:48,508 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:48,510 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:48,512 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:48,527 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:48,537 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:48,540 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-09-25 11:24:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:48,542 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:48,544 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 11:24:48,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:24:48,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155489333] [2024-09-25 11:24:48,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155489333] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:24:48,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410781484] [2024-09-25 11:24:48,544 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-25 11:24:48,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:24:48,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:24:48,546 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 11:24:48,546 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 11:24:48,609 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-25 11:24:48,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:24:48,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-25 11:24:48,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:24:48,667 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 11:24:48,668 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:24:49,091 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 11:24:49,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410781484] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:24:49,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:24:49,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 13] total 19 [2024-09-25 11:24:49,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724392895] [2024-09-25 11:24:49,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:24:49,092 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-09-25 11:24:49,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:24:49,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-09-25 11:24:49,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-09-25 11:24:49,094 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 11:24:49,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:24:49,374 INFO L93 Difference]: Finished difference Result 122 states and 179 transitions. [2024-09-25 11:24:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-25 11:24:49,375 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 11:24:49,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:24:49,377 INFO L225 Difference]: With dead ends: 122 [2024-09-25 11:24:49,377 INFO L226 Difference]: Without dead ends: 76 [2024-09-25 11:24:49,378 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 11:24:49,380 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 11:24:49,380 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 11:24:49,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-09-25 11:24:49,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 66. [2024-09-25 11:24:49,398 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 11:24:49,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 88 transitions. [2024-09-25 11:24:49,400 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 88 transitions. Word has length 75 [2024-09-25 11:24:49,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:24:49,400 INFO L474 AbstractCegarLoop]: Abstraction has 66 states and 88 transitions. [2024-09-25 11:24:49,402 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 11:24:49,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:49,402 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2024-09-25 11:24:49,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-09-25 11:24:49,403 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:24:49,403 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 11:24:49,416 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-09-25 11:24:49,607 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 11:24:49,608 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:24:49,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:49,608 INFO L85 PathProgramCache]: Analyzing trace with hash 747420525, now seen corresponding path program 5 times [2024-09-25 11:24:49,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:24:49,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431375342] [2024-09-25 11:24:49,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:24:49,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:24:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:49,681 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:24:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:49,683 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 11:24:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:49,749 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:49,795 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:49,824 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:49,842 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:49,845 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:24:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:49,848 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:49,850 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:49,851 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:49,857 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:49,859 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:49,861 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:49,862 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:24:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:49,864 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:49,865 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:49,866 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-09-25 11:24:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:49,886 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:49,906 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 11:24:49,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:24:49,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431375342] [2024-09-25 11:24:49,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431375342] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:24:49,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362626102] [2024-09-25 11:24:49,907 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-25 11:24:49,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:24:49,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:24:49,909 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 11:24:49,909 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 11:24:49,986 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2024-09-25 11:24:49,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:24:49,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-25 11:24:49,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:24:50,053 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 11:24:50,053 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:24:50,530 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 11:24:50,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362626102] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:24:50,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:24:50,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 15] total 24 [2024-09-25 11:24:50,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529851967] [2024-09-25 11:24:50,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:24:50,531 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-25 11:24:50,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:24:50,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-25 11:24:50,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2024-09-25 11:24:50,532 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 11:24:50,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:24:50,865 INFO L93 Difference]: Finished difference Result 78 states and 105 transitions. [2024-09-25 11:24:50,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-25 11:24:50,866 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 11:24:50,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:24:50,868 INFO L225 Difference]: With dead ends: 78 [2024-09-25 11:24:50,868 INFO L226 Difference]: Without dead ends: 74 [2024-09-25 11:24:50,868 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 205 SyntacticMatches, 7 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=251, Invalid=1155, Unknown=0, NotChecked=0, Total=1406 [2024-09-25 11:24:50,869 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 11:24:50,869 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 11:24:50,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-09-25 11:24:50,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 69. [2024-09-25 11:24:50,883 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 11:24:50,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 91 transitions. [2024-09-25 11:24:50,884 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 91 transitions. Word has length 95 [2024-09-25 11:24:50,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:24:50,884 INFO L474 AbstractCegarLoop]: Abstraction has 69 states and 91 transitions. [2024-09-25 11:24:50,885 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 11:24:50,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:50,885 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2024-09-25 11:24:50,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-09-25 11:24:50,886 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:24:50,886 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 11:24:50,900 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-25 11:24:51,088 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 11:24:51,089 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:24:51,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:51,090 INFO L85 PathProgramCache]: Analyzing trace with hash -35650631, now seen corresponding path program 6 times [2024-09-25 11:24:51,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:24:51,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842240922] [2024-09-25 11:24:51,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:24:51,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:24:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,332 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:24:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,335 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 11:24:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,518 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,602 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,633 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,638 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,643 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:24:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,675 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,679 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,683 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,770 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,794 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,798 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,804 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:24:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,829 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,833 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,841 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-09-25 11:24:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,882 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,961 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:51,995 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 11:24:51,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:24:51,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842240922] [2024-09-25 11:24:51,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842240922] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:24:51,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265195963] [2024-09-25 11:24:51,996 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-25 11:24:51,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:24:51,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:24:51,998 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 11:24:52,002 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 11:24:52,089 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-09-25 11:24:52,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:24:52,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-09-25 11:24:52,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:24:52,352 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 11:24:52,353 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:24:53,411 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 11:24:53,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265195963] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:24:53,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:24:53,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17, 32] total 54 [2024-09-25 11:24:53,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121793895] [2024-09-25 11:24:53,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:24:53,414 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-09-25 11:24:53,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:24:53,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-09-25 11:24:53,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=2660, Unknown=0, NotChecked=0, Total=2862 [2024-09-25 11:24:53,415 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 11:24:56,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:24:56,751 INFO L93 Difference]: Finished difference Result 225 states and 326 transitions. [2024-09-25 11:24:56,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-09-25 11:24:56,751 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 11:24:56,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:24:56,753 INFO L225 Difference]: With dead ends: 225 [2024-09-25 11:24:56,753 INFO L226 Difference]: Without dead ends: 221 [2024-09-25 11:24:56,756 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3743 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1935, Invalid=12827, Unknown=0, NotChecked=0, Total=14762 [2024-09-25 11:24:56,756 INFO L434 NwaCegarLoop]: 26 mSDtfsCounter, 394 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1564 mSolverCounterSat, 795 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 2359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 795 IncrementalHoareTripleChecker+Valid, 1564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-09-25 11:24:56,756 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 497 Invalid, 2359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [795 Valid, 1564 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-09-25 11:24:56,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-09-25 11:24:56,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 182. [2024-09-25 11:24:56,783 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 11:24:56,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 259 transitions. [2024-09-25 11:24:56,784 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 259 transitions. Word has length 101 [2024-09-25 11:24:56,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:24:56,785 INFO L474 AbstractCegarLoop]: Abstraction has 182 states and 259 transitions. [2024-09-25 11:24:56,785 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 11:24:56,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:56,785 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 259 transitions. [2024-09-25 11:24:56,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-09-25 11:24:56,786 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:24:56,787 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 11:24:56,799 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-25 11:24:56,990 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 11:24:56,991 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:24:56,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:56,991 INFO L85 PathProgramCache]: Analyzing trace with hash 796330413, now seen corresponding path program 7 times [2024-09-25 11:24:56,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:24:56,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610597053] [2024-09-25 11:24:56,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:24:56,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:24:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,095 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:24:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,099 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 11:24:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,182 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,210 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,230 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,265 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,271 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:24:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,279 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,281 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,283 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,290 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,292 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,294 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,295 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:24:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,299 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,301 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,303 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-09-25 11:24:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,337 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,370 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,396 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,434 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 11:24:57,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:24:57,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610597053] [2024-09-25 11:24:57,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610597053] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:24:57,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411255398] [2024-09-25 11:24:57,435 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-25 11:24:57,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:24:57,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:24:57,437 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 11:24:57,438 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 11:24:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:57,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-09-25 11:24:57,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:24:57,653 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 11:24:57,653 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:24:58,452 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 11:24:58,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411255398] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:24:58,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:24:58,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 19] total 28 [2024-09-25 11:24:58,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796024804] [2024-09-25 11:24:58,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:24:58,453 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-09-25 11:24:58,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:24:58,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-09-25 11:24:58,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=634, Unknown=0, NotChecked=0, Total=756 [2024-09-25 11:24:58,455 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 11:24:58,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:24:58,842 INFO L93 Difference]: Finished difference Result 294 states and 473 transitions. [2024-09-25 11:24:58,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-25 11:24:58,843 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 11:24:58,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:24:58,845 INFO L225 Difference]: With dead ends: 294 [2024-09-25 11:24:58,845 INFO L226 Difference]: Without dead ends: 184 [2024-09-25 11:24:58,846 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 229 SyntacticMatches, 9 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=352, Invalid=1628, Unknown=0, NotChecked=0, Total=1980 [2024-09-25 11:24:58,846 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 11:24:58,847 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 11:24:58,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-09-25 11:24:58,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 160. [2024-09-25 11:24:58,869 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 11:24:58,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 223 transitions. [2024-09-25 11:24:58,872 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 223 transitions. Word has length 107 [2024-09-25 11:24:58,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:24:58,872 INFO L474 AbstractCegarLoop]: Abstraction has 160 states and 223 transitions. [2024-09-25 11:24:58,873 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 11:24:58,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:58,873 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 223 transitions. [2024-09-25 11:24:58,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-09-25 11:24:58,876 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:24:58,876 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 11:24:58,889 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-09-25 11:24:59,080 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 11:24:59,081 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:24:59,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:24:59,081 INFO L85 PathProgramCache]: Analyzing trace with hash 59611577, now seen corresponding path program 8 times [2024-09-25 11:24:59,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:24:59,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924556091] [2024-09-25 11:24:59,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:24:59,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:24:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,265 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:24:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,267 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 11:24:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,401 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,454 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,479 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,498 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,519 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,522 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:24:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,526 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,527 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,528 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,535 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,538 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,539 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,540 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:24:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,543 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,544 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,545 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 11:24:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,560 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,565 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,568 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,570 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,572 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:24:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,574 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,576 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,577 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:24:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,582 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,586 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,588 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,590 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:24:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,593 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,594 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:24:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,596 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-09-25 11:24:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,624 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,641 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:24:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:24:59,667 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 11:24:59,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:24:59,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924556091] [2024-09-25 11:24:59,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924556091] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:24:59,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027634639] [2024-09-25 11:24:59,668 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-25 11:24:59,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:24:59,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:24:59,670 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 11:24:59,672 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 11:24:59,820 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-25 11:24:59,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:24:59,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-09-25 11:24:59,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:25:00,008 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 11:25:00,008 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:25:00,965 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 11:25:00,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027634639] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:25:00,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:25:00,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 19] total 28 [2024-09-25 11:25:00,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957474951] [2024-09-25 11:25:00,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:25:00,967 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-09-25 11:25:00,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:25:00,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-09-25 11:25:00,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=635, Unknown=0, NotChecked=0, Total=756 [2024-09-25 11:25:00,967 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 11:25:01,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:25:01,376 INFO L93 Difference]: Finished difference Result 243 states and 364 transitions. [2024-09-25 11:25:01,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-25 11:25:01,376 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 11:25:01,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:25:01,378 INFO L225 Difference]: With dead ends: 243 [2024-09-25 11:25:01,378 INFO L226 Difference]: Without dead ends: 173 [2024-09-25 11:25:01,379 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 407 SyntacticMatches, 9 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=362, Invalid=1708, Unknown=0, NotChecked=0, Total=2070 [2024-09-25 11:25:01,379 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 11:25:01,379 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 11:25:01,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-09-25 11:25:01,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 160. [2024-09-25 11:25:01,398 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 11:25:01,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 217 transitions. [2024-09-25 11:25:01,399 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 217 transitions. Word has length 181 [2024-09-25 11:25:01,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:25:01,399 INFO L474 AbstractCegarLoop]: Abstraction has 160 states and 217 transitions. [2024-09-25 11:25:01,400 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 11:25:01,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:25:01,400 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 217 transitions. [2024-09-25 11:25:01,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-09-25 11:25:01,401 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:25:01,402 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 11:25:01,425 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 11:25:01,620 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 11:25:01,621 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:25:01,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:25:01,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1713119149, now seen corresponding path program 9 times [2024-09-25 11:25:01,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:25:01,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393628026] [2024-09-25 11:25:01,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:25:01,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:25:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:02,308 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:25:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:02,311 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 11:25:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:02,778 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:02,918 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:02,986 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,004 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,008 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,012 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,028 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,031 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,036 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:25:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,075 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,093 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,096 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,101 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,120 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,124 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,127 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 11:25:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,257 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,292 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,307 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,310 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,313 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,330 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,334 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,337 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:25:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,386 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,401 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,408 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,414 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,432 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,436 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,439 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-09-25 11:25:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,476 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,508 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,540 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:03,577 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 11:25:03,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:25:03,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393628026] [2024-09-25 11:25:03,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393628026] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:25:03,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050959520] [2024-09-25 11:25:03,578 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-25 11:25:03,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:25:03,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:25:03,580 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 11:25:03,581 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 11:25:03,746 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 27 check-sat command(s) [2024-09-25 11:25:03,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:25:03,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 175 conjuncts are in the unsatisfiable core [2024-09-25 11:25:03,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:25:04,205 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 11:25:04,205 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:25:06,895 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 11:25:06,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050959520] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:25:06,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:25:06,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 21, 58] total 86 [2024-09-25 11:25:06,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239406134] [2024-09-25 11:25:06,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:25:06,897 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-09-25 11:25:06,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:25:06,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-09-25 11:25:06,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=6990, Unknown=0, NotChecked=0, Total=7310 [2024-09-25 11:25:06,900 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 11:25:24,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:25:24,939 INFO L93 Difference]: Finished difference Result 527 states and 795 transitions. [2024-09-25 11:25:24,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-09-25 11:25:24,939 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 11:25:24,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:25:24,948 INFO L225 Difference]: With dead ends: 527 [2024-09-25 11:25:24,951 INFO L226 Difference]: Without dead ends: 523 [2024-09-25 11:25:24,958 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 668 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17428 ImplicationChecksByTransitivity, 17.3s TimeCoverageRelationStatistics Valid=8192, Invalid=53064, Unknown=0, NotChecked=0, Total=61256 [2024-09-25 11:25:24,958 INFO L434 NwaCegarLoop]: 30 mSDtfsCounter, 1719 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 3106 mSolverCounterSat, 3556 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1719 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 6662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3556 IncrementalHoareTripleChecker+Valid, 3106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-09-25 11:25:24,958 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1719 Valid, 873 Invalid, 6662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3556 Valid, 3106 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-09-25 11:25:24,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-09-25 11:25:25,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 440. [2024-09-25 11:25:25,025 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 11:25:25,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 634 transitions. [2024-09-25 11:25:25,029 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 634 transitions. Word has length 187 [2024-09-25 11:25:25,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:25:25,029 INFO L474 AbstractCegarLoop]: Abstraction has 440 states and 634 transitions. [2024-09-25 11:25:25,030 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 11:25:25,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:25:25,030 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 634 transitions. [2024-09-25 11:25:25,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-09-25 11:25:25,032 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:25:25,032 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 11:25:25,046 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 11:25:25,236 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 11:25:25,236 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:25:25,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:25:25,237 INFO L85 PathProgramCache]: Analyzing trace with hash -629811463, now seen corresponding path program 10 times [2024-09-25 11:25:25,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:25:25,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533451183] [2024-09-25 11:25:25,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:25:25,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:25:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,363 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:25:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,365 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 11:25:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,439 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,474 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,499 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,512 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,530 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,532 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,535 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,536 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,537 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:25:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,541 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,543 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,544 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,545 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,546 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,547 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,548 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 11:25:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,558 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,562 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,564 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,566 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,566 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,568 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,569 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,570 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:25:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,573 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,575 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,576 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,577 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,579 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,580 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,581 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-09-25 11:25:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,624 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,642 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,672 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,693 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:25,730 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 11:25:25,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:25:25,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533451183] [2024-09-25 11:25:25,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533451183] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:25:25,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629503438] [2024-09-25 11:25:25,731 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-25 11:25:25,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:25:25,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:25:25,733 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 11:25:25,734 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 11:25:25,883 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-25 11:25:25,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:25:25,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-25 11:25:25,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:25:26,059 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 11:25:26,059 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:25:27,313 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 11:25:27,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629503438] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:25:27,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:25:27,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15, 23] total 32 [2024-09-25 11:25:27,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944515772] [2024-09-25 11:25:27,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:25:27,315 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-25 11:25:27,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:25:27,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-25 11:25:27,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=837, Unknown=0, NotChecked=0, Total=992 [2024-09-25 11:25:27,316 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 11:25:27,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:25:27,827 INFO L93 Difference]: Finished difference Result 686 states and 1091 transitions. [2024-09-25 11:25:27,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-25 11:25:27,828 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 11:25:27,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:25:27,832 INFO L225 Difference]: With dead ends: 686 [2024-09-25 11:25:27,832 INFO L226 Difference]: Without dead ends: 470 [2024-09-25 11:25:27,833 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 11:25:27,834 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 11:25:27,835 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 11:25:27,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-09-25 11:25:27,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 397. [2024-09-25 11:25:27,895 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 11:25:27,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 554 transitions. [2024-09-25 11:25:27,898 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 554 transitions. Word has length 193 [2024-09-25 11:25:27,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:25:27,899 INFO L474 AbstractCegarLoop]: Abstraction has 397 states and 554 transitions. [2024-09-25 11:25:27,899 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 11:25:27,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:25:27,899 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 554 transitions. [2024-09-25 11:25:27,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2024-09-25 11:25:27,903 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:25:27,903 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 11:25:27,919 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-09-25 11:25:28,106 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 11:25:28,107 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:25:28,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:25:28,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1937197997, now seen corresponding path program 11 times [2024-09-25 11:25:28,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:25:28,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701721670] [2024-09-25 11:25:28,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:25:28,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:25:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,402 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:25:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,404 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 11:25:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,606 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,686 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,731 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,766 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,786 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,812 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,814 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,819 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,820 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,821 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:25:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,826 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,828 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,829 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,830 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,832 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,833 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,834 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 11:25:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,843 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,849 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,852 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,853 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,854 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,857 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,858 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,860 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:25:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,863 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,865 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,866 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,867 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,869 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,870 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,871 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-09-25 11:25:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,892 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,901 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,905 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,907 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,908 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,909 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,911 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,912 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,912 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:25:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,917 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,921 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,922 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,923 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,924 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,925 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,926 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 11:25:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,933 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,937 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,940 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,941 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,942 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,944 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,945 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,946 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:25:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,950 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,952 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,953 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,956 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,957 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,958 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-09-25 11:25:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:28,993 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:29,016 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:29,039 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:29,088 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 11:25:29,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:25:29,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701721670] [2024-09-25 11:25:29,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701721670] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:25:29,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937181860] [2024-09-25 11:25:29,089 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-25 11:25:29,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:25:29,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:25:29,090 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 11:25:29,092 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 11:25:29,435 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 56 check-sat command(s) [2024-09-25 11:25:29,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:25:29,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 1644 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-25 11:25:29,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:25:29,547 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 11:25:29,548 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:25:31,209 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 11:25:31,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937181860] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:25:31,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:25:31,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15, 23] total 32 [2024-09-25 11:25:31,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845090291] [2024-09-25 11:25:31,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:25:31,210 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-25 11:25:31,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:25:31,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-25 11:25:31,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=838, Unknown=0, NotChecked=0, Total=992 [2024-09-25 11:25:31,211 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 11:25:31,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:25:31,732 INFO L93 Difference]: Finished difference Result 532 states and 789 transitions. [2024-09-25 11:25:31,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-25 11:25:31,732 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 11:25:31,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:25:31,736 INFO L225 Difference]: With dead ends: 532 [2024-09-25 11:25:31,736 INFO L226 Difference]: Without dead ends: 426 [2024-09-25 11:25:31,737 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 864 GetRequests, 801 SyntacticMatches, 11 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 605 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=494, Invalid=2368, Unknown=0, NotChecked=0, Total=2862 [2024-09-25 11:25:31,737 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 11:25:31,738 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 11:25:31,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-09-25 11:25:31,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 397. [2024-09-25 11:25:31,835 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 11:25:31,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 540 transitions. [2024-09-25 11:25:31,838 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 540 transitions. Word has length 347 [2024-09-25 11:25:31,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:25:31,839 INFO L474 AbstractCegarLoop]: Abstraction has 397 states and 540 transitions. [2024-09-25 11:25:31,839 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 11:25:31,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:25:31,839 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 540 transitions. [2024-09-25 11:25:31,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2024-09-25 11:25:31,844 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:25:31,844 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 11:25:31,863 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 11:25:32,048 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 11:25:32,049 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:25:32,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:25:32,049 INFO L85 PathProgramCache]: Analyzing trace with hash -910163207, now seen corresponding path program 12 times [2024-09-25 11:25:32,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:25:32,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960948107] [2024-09-25 11:25:32,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:25:32,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:25:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:34,010 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:25:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:34,013 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 11:25:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:35,537 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:35,945 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,057 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,149 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,166 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,170 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,173 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,187 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,190 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,193 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:25:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,224 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,239 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,242 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,245 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,259 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,262 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,266 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 11:25:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,366 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,398 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,413 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,417 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,420 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,434 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,438 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,441 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:25:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,480 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,495 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,498 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,501 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,516 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,519 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,523 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-09-25 11:25:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:36,992 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,125 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,168 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,187 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,191 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,194 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,212 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,217 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,221 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:25:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,264 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,283 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,288 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,291 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,310 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,314 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,317 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 11:25:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,416 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,447 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,461 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,464 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,467 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,481 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,484 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,487 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:25:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,518 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,532 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,536 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,538 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:25:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,552 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,555 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:25:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,559 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-09-25 11:25:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,597 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,631 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,667 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,702 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:25:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:25:37,744 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 11:25:37,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:25:37,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960948107] [2024-09-25 11:25:37,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960948107] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:25:37,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908525709] [2024-09-25 11:25:37,745 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-25 11:25:37,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:25:37,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:25:37,746 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 11:25:37,748 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 11:25:38,110 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 56 check-sat command(s) [2024-09-25 11:25:38,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:25:38,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 1658 conjuncts, 339 conjuncts are in the unsatisfiable core [2024-09-25 11:25:38,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:25:38,828 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 11:25:38,828 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:25:46,017 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 11:25:46,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908525709] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:25:46,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:25:46,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 25, 108] total 142 [2024-09-25 11:25:46,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298459253] [2024-09-25 11:25:46,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:25:46,019 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2024-09-25 11:25:46,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:25:46,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2024-09-25 11:25:46,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=514, Invalid=19508, Unknown=0, NotChecked=0, Total=20022 [2024-09-25 11:25:46,021 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 11:27:45,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:27:45,559 INFO L93 Difference]: Finished difference Result 1260 states and 1961 transitions. [2024-09-25 11:27:45,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 396 states. [2024-09-25 11:27:45,560 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 11:27:45,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:27:45,569 INFO L225 Difference]: With dead ends: 1260 [2024-09-25 11:27:45,570 INFO L226 Difference]: Without dead ends: 1256 [2024-09-25 11:27:45,587 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1336 GetRequests, 814 SyntacticMatches, 0 SemanticMatches, 522 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86864 ImplicationChecksByTransitivity, 115.2s TimeCoverageRelationStatistics Valid=37171, Invalid=236881, Unknown=0, NotChecked=0, Total=274052 [2024-09-25 11:27:45,589 INFO L434 NwaCegarLoop]: 44 mSDtfsCounter, 6735 mSDsluCounter, 2209 mSDsCounter, 0 mSdLazyCounter, 7668 mSolverCounterSat, 16008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6735 SdHoareTripleChecker+Valid, 2253 SdHoareTripleChecker+Invalid, 23676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16008 IncrementalHoareTripleChecker+Valid, 7668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-09-25 11:27:45,589 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [6735 Valid, 2253 Invalid, 23676 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16008 Valid, 7668 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2024-09-25 11:27:45,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2024-09-25 11:27:45,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1085. [2024-09-25 11:27:45,810 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 11:27:45,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1581 transitions. [2024-09-25 11:27:45,817 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1581 transitions. Word has length 353 [2024-09-25 11:27:45,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:27:45,818 INFO L474 AbstractCegarLoop]: Abstraction has 1085 states and 1581 transitions. [2024-09-25 11:27:45,819 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 11:27:45,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:27:45,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1581 transitions. [2024-09-25 11:27:45,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2024-09-25 11:27:45,824 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:27:45,825 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 11:27:45,843 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 11:27:46,029 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 11:27:46,029 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:27:46,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:27:46,030 INFO L85 PathProgramCache]: Analyzing trace with hash -870344211, now seen corresponding path program 13 times [2024-09-25 11:27:46,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:27:46,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645627228] [2024-09-25 11:27:46,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:27:46,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:27:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,347 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:27:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,350 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 11:27:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,517 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,586 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,619 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,638 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,650 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,668 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,670 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,672 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,673 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,674 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:27:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,678 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,679 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,680 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,681 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,682 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,683 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,684 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 11:27:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,693 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,696 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,697 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,698 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,699 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,700 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,701 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,702 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:27:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,705 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,706 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,707 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,707 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,709 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,710 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,711 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-09-25 11:27:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,730 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,738 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,741 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,742 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,743 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,744 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,745 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,746 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,747 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:27:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,750 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,751 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,752 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,753 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,754 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,755 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,756 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 11:27:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,762 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,765 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,766 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,767 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,768 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,769 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,770 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,771 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:27:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,774 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,775 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,776 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,777 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,779 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,779 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,781 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-09-25 11:27:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,807 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,827 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,844 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,861 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,875 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:46,898 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 11:27:46,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:27:46,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645627228] [2024-09-25 11:27:46,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645627228] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:27:46,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593933757] [2024-09-25 11:27:46,899 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-25 11:27:46,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:27:46,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:27:46,901 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 11:27:46,903 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 11:27:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:47,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 1672 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-09-25 11:27:47,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:27:47,258 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 11:27:47,258 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:27:49,473 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 11:27:49,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593933757] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:27:49,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:27:49,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 27] total 36 [2024-09-25 11:27:49,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839578781] [2024-09-25 11:27:49,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:27:49,474 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-25 11:27:49,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:27:49,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-25 11:27:49,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1068, Unknown=0, NotChecked=0, Total=1260 [2024-09-25 11:27:49,475 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 11:27:50,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:27:50,268 INFO L93 Difference]: Finished difference Result 1655 states and 2599 transitions. [2024-09-25 11:27:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-25 11:27:50,269 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 11:27:50,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:27:50,277 INFO L225 Difference]: With dead ends: 1655 [2024-09-25 11:27:50,277 INFO L226 Difference]: Without dead ends: 1183 [2024-09-25 11:27:50,281 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 11:27:50,282 INFO L434 NwaCegarLoop]: 17 mSDtfsCounter, 64 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-25 11:27:50,282 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 212 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-25 11:27:50,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2024-09-25 11:27:50,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 980. [2024-09-25 11:27:50,495 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 11:27:50,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1358 transitions. [2024-09-25 11:27:50,501 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1358 transitions. Word has length 359 [2024-09-25 11:27:50,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:27:50,501 INFO L474 AbstractCegarLoop]: Abstraction has 980 states and 1358 transitions. [2024-09-25 11:27:50,501 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 11:27:50,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:27:50,502 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1358 transitions. [2024-09-25 11:27:50,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2024-09-25 11:27:50,507 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:27:50,507 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 11:27:50,523 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 11:27:50,711 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 11:27:50,712 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:27:50,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:27:50,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1634968839, now seen corresponding path program 14 times [2024-09-25 11:27:50,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:27:50,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20990435] [2024-09-25 11:27:50,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:27:50,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:27:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:51,487 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:27:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:51,488 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 11:27:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,134 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,361 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,434 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,470 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,490 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,504 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,521 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,523 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,525 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,526 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,526 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:27:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,531 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,532 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,533 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,534 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,535 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,536 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,537 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 11:27:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,546 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,550 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,552 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,552 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,553 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,554 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,555 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,556 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:27:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,559 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,560 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,561 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,562 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,563 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,564 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,565 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-09-25 11:27:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,584 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,591 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,594 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,596 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,597 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,597 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,599 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,600 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,601 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:27:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,604 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,605 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,606 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,607 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,608 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,609 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,610 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 11:27:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,616 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,619 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,623 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,624 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,625 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,626 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,627 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,628 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:27:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,631 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,632 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,633 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,634 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,635 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,636 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,637 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-09-25 11:27:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,683 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,697 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,704 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,710 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,712 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,713 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,713 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,716 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,717 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,718 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:27:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,724 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,726 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,726 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,727 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,729 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,730 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,730 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 11:27:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,737 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,740 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,743 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,744 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,745 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,746 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,747 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,748 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:27:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,752 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,754 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,757 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,758 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,760 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,761 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,762 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-09-25 11:27:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,778 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,786 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,790 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,792 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,793 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,793 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,795 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,796 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,797 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:27:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,800 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,802 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,803 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,803 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,805 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,806 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,807 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 11:27:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,813 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,817 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,819 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,820 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,821 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,822 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,823 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,824 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:27:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,827 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,829 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,830 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,831 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:27:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,833 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,834 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:27:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,835 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2024-09-25 11:27:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,857 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,872 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,886 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,898 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:27:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:27:52,920 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 11:27:52,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:27:52,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20990435] [2024-09-25 11:27:52,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20990435] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:27:52,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640978577] [2024-09-25 11:27:52,920 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-25 11:27:52,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:27:52,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:27:52,922 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 11:27:52,923 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 11:27:53,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-25 11:27:53,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:27:53,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 3226 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-09-25 11:27:53,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:27:53,473 INFO L134 CoverageAnalysis]: Checked inductivity of 35962 backedges. 537 proven. 2750 refuted. 0 times theorem prover too weak. 32675 trivial. 0 not checked. [2024-09-25 11:27:53,473 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:27:56,702 INFO L134 CoverageAnalysis]: Checked inductivity of 35962 backedges. 537 proven. 2802 refuted. 0 times theorem prover too weak. 32623 trivial. 0 not checked. [2024-09-25 11:27:56,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640978577] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:27:56,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:27:56,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 27] total 36 [2024-09-25 11:27:56,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166932441] [2024-09-25 11:27:56,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:27:56,703 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-25 11:27:56,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:27:56,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-25 11:27:56,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1069, Unknown=0, NotChecked=0, Total=1260 [2024-09-25 11:27:56,704 INFO L87 Difference]: Start difference. First operand 980 states and 1358 transitions. Second operand has 36 states, 35 states have (on average 1.9428571428571428) internal successors, (68), 34 states have internal predecessors, (68), 22 states have call successors, (36), 2 states have call predecessors, (36), 15 states have return successors, (41), 13 states have call predecessors, (41), 22 states have call successors, (41) [2024-09-25 11:27:57,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-25 11:27:57,541 INFO L93 Difference]: Finished difference Result 1207 states and 1760 transitions. [2024-09-25 11:27:57,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-25 11:27:57,541 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 1.9428571428571428) internal successors, (68), 34 states have internal predecessors, (68), 22 states have call successors, (36), 2 states have call predecessors, (36), 15 states have return successors, (41), 13 states have call predecessors, (41), 22 states have call successors, (41) Word has length 673 [2024-09-25 11:27:57,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-25 11:27:57,548 INFO L225 Difference]: With dead ends: 1207 [2024-09-25 11:27:57,548 INFO L226 Difference]: Without dead ends: 1041 [2024-09-25 11:27:57,550 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1652 GetRequests, 1579 SyntacticMatches, 13 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 838 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=647, Invalid=3135, Unknown=0, NotChecked=0, Total=3782 [2024-09-25 11:27:57,551 INFO L434 NwaCegarLoop]: 30 mSDtfsCounter, 67 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-25 11:27:57,551 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 237 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-25 11:27:57,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2024-09-25 11:27:57,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 980. [2024-09-25 11:27:57,760 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 11:27:57,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1328 transitions. [2024-09-25 11:27:57,765 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1328 transitions. Word has length 673 [2024-09-25 11:27:57,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-25 11:27:57,766 INFO L474 AbstractCegarLoop]: Abstraction has 980 states and 1328 transitions. [2024-09-25 11:27:57,766 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 1.9428571428571428) internal successors, (68), 34 states have internal predecessors, (68), 22 states have call successors, (36), 2 states have call predecessors, (36), 15 states have return successors, (41), 13 states have call predecessors, (41), 22 states have call successors, (41) [2024-09-25 11:27:57,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:27:57,766 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1328 transitions. [2024-09-25 11:27:57,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2024-09-25 11:27:57,772 INFO L208 NwaCegarLoop]: Found error trace [2024-09-25 11:27:57,772 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 11:27:57,790 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 11:27:57,976 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 11:27:57,977 INFO L399 AbstractCegarLoop]: === Iteration 18 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-25 11:27:57,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-25 11:27:57,977 INFO L85 PathProgramCache]: Analyzing trace with hash -62262803, now seen corresponding path program 15 times [2024-09-25 11:27:57,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-25 11:27:57,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641965440] [2024-09-25 11:27:57,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-25 11:27:57,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-25 11:27:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:06,649 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-25 11:28:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:06,651 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-09-25 11:28:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:12,824 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:14,220 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:14,601 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:14,714 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:14,768 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:14,782 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:14,785 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:14,788 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:28:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:14,801 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:14,804 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:14,806 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:28:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:14,836 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:14,850 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:14,853 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:14,855 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:28:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:14,869 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:14,872 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:14,874 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 11:28:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:14,969 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,000 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,014 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,017 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,020 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:28:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,033 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,036 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,039 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:28:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,069 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,083 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,086 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,089 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:28:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,103 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,106 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,109 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-09-25 11:28:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,464 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,559 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,590 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,605 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,608 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,611 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:28:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,625 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,629 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,632 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:28:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,663 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,682 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,685 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,688 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:28:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,703 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,707 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,710 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 11:28:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,805 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,837 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,852 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,856 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,860 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:28:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,875 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,880 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,883 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:28:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,917 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,933 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,937 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,940 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:28:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,955 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,959 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:15,962 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-09-25 11:28:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:17,466 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:17,816 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:17,917 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:17,983 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:17,998 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,001 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,004 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:28:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,018 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,021 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,024 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:28:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,054 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,068 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,072 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,075 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:28:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,088 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,092 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,095 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 11:28:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,187 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,218 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,232 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,236 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,239 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:28:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,252 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,256 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,259 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:28:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,289 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,303 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,307 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,310 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:28:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,324 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,327 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,331 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-09-25 11:28:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,696 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,793 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,824 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,839 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,842 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,845 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:28:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,859 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,863 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,866 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:28:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,897 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,911 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,916 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,919 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:28:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,933 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,937 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:18,942 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-09-25 11:28:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,039 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,073 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,088 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,093 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,097 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:28:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,112 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,116 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,120 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-25 11:28:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,152 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,167 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,170 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,173 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-09-25 11:28:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,187 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,191 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-25 11:28:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,195 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2024-09-25 11:28:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,237 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,278 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,318 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,359 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,399 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-09-25 11:28:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-25 11:28:19,444 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 11:28:19,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-25 11:28:19,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641965440] [2024-09-25 11:28:19,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641965440] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-25 11:28:19,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501866638] [2024-09-25 11:28:19,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-25 11:28:19,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-25 11:28:19,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-25 11:28:19,447 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 11:28:19,447 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 11:28:20,553 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 101 check-sat command(s) [2024-09-25 11:28:20,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-25 11:28:20,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 3238 conjuncts, 663 conjuncts are in the unsatisfiable core [2024-09-25 11:28:20,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-25 11:28:21,614 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 11:28:21,614 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-25 11:28:40,231 INFO L134 CoverageAnalysis]: Checked inductivity of 35990 backedges. 0 proven. 35698 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-09-25 11:28:40,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501866638] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-25 11:28:40,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-25 11:28:40,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 29, 206] total 246 [2024-09-25 11:28:40,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198714537] [2024-09-25 11:28:40,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-25 11:28:40,233 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 246 states [2024-09-25 11:28:40,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-25 11:28:40,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 246 interpolants. [2024-09-25 11:28:40,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=856, Invalid=59414, Unknown=0, NotChecked=0, Total=60270 [2024-09-25 11:28:40,240 INFO L87 Difference]: Start difference. First operand 980 states and 1328 transitions. Second operand has 246 states, 178 states have (on average 1.7865168539325842) internal successors, (318), 193 states have internal predecessors, (318), 103 states have call successors, (144), 67 states have call predecessors, (144), 123 states have return successors, (163), 126 states have call predecessors, (163), 103 states have call successors, (163)