./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 cb55eb0e5d7c4df3b95a55b83f19894edf68e79ccb0eab5e69a8aa23c994caed --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 02:12:24,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 02:12:24,554 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 02:12:24,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 02:12:24,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 02:12:24,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 02:12:24,587 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 02:12:24,587 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 02:12:24,588 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 02:12:24,588 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 02:12:24,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 02:12:24,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 02:12:24,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 02:12:24,591 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 02:12:24,591 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 02:12:24,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 02:12:24,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 02:12:24,592 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 02:12:24,592 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 02:12:24,593 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 02:12:24,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 02:12:24,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 02:12:24,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 02:12:24,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 02:12:24,594 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 02:12:24,594 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 02:12:24,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 02:12:24,595 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 02:12:24,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 02:12:24,595 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 02:12:24,595 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 02:12:24,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 02:12:24,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 02:12:24,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 02:12:24,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 02:12:24,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 02:12:24,596 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 02:12:24,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 02:12:24,597 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 02:12:24,597 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 02:12:24,602 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 02:12:24,602 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 02:12:24,602 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/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb55eb0e5d7c4df3b95a55b83f19894edf68e79ccb0eab5e69a8aa23c994caed [2024-10-14 02:12:24,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 02:12:24,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 02:12:24,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 02:12:24,841 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 02:12:24,841 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 02:12:24,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c [2024-10-14 02:12:26,175 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 02:12:26,313 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 02:12:26,314 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c [2024-10-14 02:12:26,324 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11cf4f69/62aafb15be744dc79c6cd910225a4be0/FLAG4a45312fb [2024-10-14 02:12:26,740 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11cf4f69/62aafb15be744dc79c6cd910225a4be0 [2024-10-14 02:12:26,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 02:12:26,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 02:12:26,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 02:12:26,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 02:12:26,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 02:12:26,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:12:26" (1/1) ... [2024-10-14 02:12:26,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d4e576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:12:26, skipping insertion in model container [2024-10-14 02:12:26,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:12:26" (1/1) ... [2024-10-14 02:12:26,773 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 02:12:26,895 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c[588,601] [2024-10-14 02:12:26,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 02:12:26,957 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 02:12:26,966 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c[588,601] [2024-10-14 02:12:26,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 02:12:26,984 INFO L204 MainTranslator]: Completed translation [2024-10-14 02:12:26,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:12:26 WrapperNode [2024-10-14 02:12:26,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 02:12:26,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 02:12:26,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 02:12:26,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 02:12:26,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:12:26" (1/1) ... [2024-10-14 02:12:26,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:12:26" (1/1) ... [2024-10-14 02:12:27,035 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2024-10-14 02:12:27,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 02:12:27,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 02:12:27,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 02:12:27,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 02:12:27,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:12:26" (1/1) ... [2024-10-14 02:12:27,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:12:26" (1/1) ... [2024-10-14 02:12:27,050 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:12:26" (1/1) ... [2024-10-14 02:12:27,067 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 02:12:27,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:12:26" (1/1) ... [2024-10-14 02:12:27,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:12:26" (1/1) ... [2024-10-14 02:12:27,071 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:12:26" (1/1) ... [2024-10-14 02:12:27,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:12:26" (1/1) ... [2024-10-14 02:12:27,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:12:26" (1/1) ... [2024-10-14 02:12:27,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:12:26" (1/1) ... [2024-10-14 02:12:27,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 02:12:27,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 02:12:27,080 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 02:12:27,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 02:12:27,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:12:26" (1/1) ... [2024-10-14 02:12:27,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 02:12:27,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:12:27,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 02:12:27,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 02:12:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 02:12:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 02:12:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 02:12:27,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 02:12:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 02:12:27,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 02:12:27,215 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 02:12:27,217 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 02:12:27,327 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-10-14 02:12:27,327 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 02:12:27,344 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 02:12:27,345 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 02:12:27,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:12:27 BoogieIcfgContainer [2024-10-14 02:12:27,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 02:12:27,347 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 02:12:27,347 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 02:12:27,349 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 02:12:27,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:12:26" (1/3) ... [2024-10-14 02:12:27,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c450e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:12:27, skipping insertion in model container [2024-10-14 02:12:27,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:12:26" (2/3) ... [2024-10-14 02:12:27,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c450e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:12:27, skipping insertion in model container [2024-10-14 02:12:27,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:12:27" (3/3) ... [2024-10-14 02:12:27,352 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_unwindbound50.c [2024-10-14 02:12:27,363 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 02:12:27,364 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 02:12:27,417 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 02:12:27,424 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@36a8e701, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 02:12:27,424 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 02:12:27,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-14 02:12:27,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 02:12:27,434 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:12:27,435 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 02:12:27,435 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:12:27,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:12:27,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1379524608, now seen corresponding path program 1 times [2024-10-14 02:12:27,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:12:27,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642310278] [2024-10-14 02:12:27,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:27,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:12:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:27,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 02:12:27,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:12:27,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642310278] [2024-10-14 02:12:27,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642310278] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:12:27,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:12:27,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 02:12:27,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805577343] [2024-10-14 02:12:27,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:12:27,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 02:12:27,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:12:27,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 02:12:27,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 02:12:27,600 INFO L87 Difference]: Start difference. First operand has 23 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 02:12:27,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:12:27,622 INFO L93 Difference]: Finished difference Result 45 states and 82 transitions. [2024-10-14 02:12:27,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 02:12:27,627 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-14 02:12:27,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:12:27,632 INFO L225 Difference]: With dead ends: 45 [2024-10-14 02:12:27,633 INFO L226 Difference]: Without dead ends: 21 [2024-10-14 02:12:27,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 02:12:27,638 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:12:27,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 02:12:27,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-10-14 02:12:27,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-10-14 02:12:27,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 02:12:27,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 32 transitions. [2024-10-14 02:12:27,675 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 32 transitions. Word has length 6 [2024-10-14 02:12:27,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:12:27,675 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 32 transitions. [2024-10-14 02:12:27,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 02:12:27,676 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2024-10-14 02:12:27,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 02:12:27,676 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:12:27,676 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:12:27,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 02:12:27,676 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:12:27,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:12:27,677 INFO L85 PathProgramCache]: Analyzing trace with hash -345068235, now seen corresponding path program 1 times [2024-10-14 02:12:27,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:12:27,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241231701] [2024-10-14 02:12:27,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:27,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:12:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:27,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 02:12:27,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:12:27,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241231701] [2024-10-14 02:12:27,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241231701] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:12:27,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:12:27,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 02:12:27,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632344335] [2024-10-14 02:12:27,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:12:27,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 02:12:27,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:12:27,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 02:12:27,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 02:12:27,794 INFO L87 Difference]: Start difference. First operand 21 states and 32 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 02:12:27,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:12:27,826 INFO L93 Difference]: Finished difference Result 35 states and 51 transitions. [2024-10-14 02:12:27,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 02:12:27,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-14 02:12:27,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:12:27,827 INFO L225 Difference]: With dead ends: 35 [2024-10-14 02:12:27,828 INFO L226 Difference]: Without dead ends: 23 [2024-10-14 02:12:27,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 02:12:27,829 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:12:27,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 02:12:27,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-10-14 02:12:27,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-10-14 02:12:27,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 02:12:27,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 34 transitions. [2024-10-14 02:12:27,841 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 34 transitions. Word has length 7 [2024-10-14 02:12:27,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:12:27,841 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 34 transitions. [2024-10-14 02:12:27,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 02:12:27,843 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-10-14 02:12:27,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 02:12:27,843 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:12:27,843 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:12:27,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 02:12:27,844 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:12:27,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:12:27,845 INFO L85 PathProgramCache]: Analyzing trace with hash -343519103, now seen corresponding path program 1 times [2024-10-14 02:12:27,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:12:27,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952087085] [2024-10-14 02:12:27,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:27,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:12:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:28,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 02:12:28,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:12:28,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952087085] [2024-10-14 02:12:28,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952087085] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:12:28,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:12:28,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 02:12:28,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154848870] [2024-10-14 02:12:28,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:12:28,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 02:12:28,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:12:28,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 02:12:28,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 02:12:28,029 INFO L87 Difference]: Start difference. First operand 23 states and 34 transitions. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 02:12:28,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:12:28,127 INFO L93 Difference]: Finished difference Result 29 states and 39 transitions. [2024-10-14 02:12:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 02:12:28,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-14 02:12:28,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:12:28,129 INFO L225 Difference]: With dead ends: 29 [2024-10-14 02:12:28,129 INFO L226 Difference]: Without dead ends: 27 [2024-10-14 02:12:28,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 02:12:28,130 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 5 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 02:12:28,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 78 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 02:12:28,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-10-14 02:12:28,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-10-14 02:12:28,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 02:12:28,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2024-10-14 02:12:28,150 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 7 [2024-10-14 02:12:28,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:12:28,150 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2024-10-14 02:12:28,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 02:12:28,150 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-10-14 02:12:28,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-14 02:12:28,151 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:12:28,151 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:12:28,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 02:12:28,151 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:12:28,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:12:28,157 INFO L85 PathProgramCache]: Analyzing trace with hash -875596316, now seen corresponding path program 1 times [2024-10-14 02:12:28,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:12:28,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753491888] [2024-10-14 02:12:28,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:28,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:12:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 02:12:28,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1605395283] [2024-10-14 02:12:28,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:28,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:12:28,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:12:28,177 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:12:28,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 02:12:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:28,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 02:12:28,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:12:28,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 02:12:28,286 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 02:12:28,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:12:28,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753491888] [2024-10-14 02:12:28,287 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 02:12:28,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605395283] [2024-10-14 02:12:28,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605395283] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:12:28,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:12:28,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 02:12:28,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840620790] [2024-10-14 02:12:28,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:12:28,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 02:12:28,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:12:28,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 02:12:28,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 02:12:28,289 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 02:12:28,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:12:28,364 INFO L93 Difference]: Finished difference Result 45 states and 65 transitions. [2024-10-14 02:12:28,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 02:12:28,364 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-10-14 02:12:28,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:12:28,365 INFO L225 Difference]: With dead ends: 45 [2024-10-14 02:12:28,365 INFO L226 Difference]: Without dead ends: 43 [2024-10-14 02:12:28,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 02:12:28,366 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 4 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 02:12:28,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 125 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 02:12:28,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-10-14 02:12:28,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 33. [2024-10-14 02:12:28,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 02:12:28,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2024-10-14 02:12:28,380 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 12 [2024-10-14 02:12:28,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:12:28,380 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2024-10-14 02:12:28,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 02:12:28,380 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2024-10-14 02:12:28,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-14 02:12:28,381 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:12:28,381 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:12:28,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 02:12:28,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:12:28,586 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:12:28,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:12:28,587 INFO L85 PathProgramCache]: Analyzing trace with hash 2105691681, now seen corresponding path program 1 times [2024-10-14 02:12:28,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:12:28,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206929385] [2024-10-14 02:12:28,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:28,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:12:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 02:12:28,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1918355476] [2024-10-14 02:12:28,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:28,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:12:28,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:12:28,613 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:12:28,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 02:12:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:28,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 02:12:28,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:12:28,687 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 02:12:28,687 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 02:12:28,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:12:28,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206929385] [2024-10-14 02:12:28,688 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 02:12:28,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918355476] [2024-10-14 02:12:28,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918355476] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:12:28,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:12:28,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 02:12:28,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966439731] [2024-10-14 02:12:28,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:12:28,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 02:12:28,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:12:28,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 02:12:28,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 02:12:28,690 INFO L87 Difference]: Start difference. First operand 33 states and 44 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 02:12:28,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:12:28,743 INFO L93 Difference]: Finished difference Result 49 states and 68 transitions. [2024-10-14 02:12:28,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 02:12:28,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2024-10-14 02:12:28,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:12:28,744 INFO L225 Difference]: With dead ends: 49 [2024-10-14 02:12:28,744 INFO L226 Difference]: Without dead ends: 47 [2024-10-14 02:12:28,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 02:12:28,745 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 4 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:12:28,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 116 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 02:12:28,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-14 02:12:28,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 43. [2024-10-14 02:12:28,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-14 02:12:28,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 59 transitions. [2024-10-14 02:12:28,763 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 59 transitions. Word has length 17 [2024-10-14 02:12:28,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:12:28,763 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 59 transitions. [2024-10-14 02:12:28,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 02:12:28,763 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2024-10-14 02:12:28,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-14 02:12:28,763 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:12:28,764 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:12:28,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 02:12:28,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:12:28,965 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:12:28,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:12:28,966 INFO L85 PathProgramCache]: Analyzing trace with hash 168504260, now seen corresponding path program 1 times [2024-10-14 02:12:28,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:12:28,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622424473] [2024-10-14 02:12:28,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:28,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:12:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 02:12:28,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1911939572] [2024-10-14 02:12:28,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:28,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:12:28,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:12:28,979 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:12:28,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 02:12:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:29,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 02:12:29,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:12:29,066 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 02:12:29,067 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 02:12:29,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:12:29,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622424473] [2024-10-14 02:12:29,067 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 02:12:29,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911939572] [2024-10-14 02:12:29,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911939572] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 02:12:29,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 02:12:29,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 02:12:29,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788825757] [2024-10-14 02:12:29,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 02:12:29,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 02:12:29,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:12:29,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 02:12:29,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 02:12:29,069 INFO L87 Difference]: Start difference. First operand 43 states and 59 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 02:12:29,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:12:29,129 INFO L93 Difference]: Finished difference Result 57 states and 74 transitions. [2024-10-14 02:12:29,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 02:12:29,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2024-10-14 02:12:29,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:12:29,130 INFO L225 Difference]: With dead ends: 57 [2024-10-14 02:12:29,130 INFO L226 Difference]: Without dead ends: 45 [2024-10-14 02:12:29,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 02:12:29,131 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 4 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 02:12:29,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 114 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 02:12:29,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-10-14 02:12:29,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-10-14 02:12:29,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 16 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-14 02:12:29,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 57 transitions. [2024-10-14 02:12:29,140 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 57 transitions. Word has length 22 [2024-10-14 02:12:29,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:12:29,140 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 57 transitions. [2024-10-14 02:12:29,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 02:12:29,140 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2024-10-14 02:12:29,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-14 02:12:29,141 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:12:29,141 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:12:29,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 02:12:29,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:12:29,346 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:12:29,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:12:29,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1666200982, now seen corresponding path program 1 times [2024-10-14 02:12:29,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:12:29,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495243928] [2024-10-14 02:12:29,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:29,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:12:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:29,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 02:12:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:29,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:12:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:29,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 02:12:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:29,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 02:12:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:29,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 02:12:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:29,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 02:12:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:29,586 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 02:12:29,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:12:29,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495243928] [2024-10-14 02:12:29,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495243928] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:12:29,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867160703] [2024-10-14 02:12:29,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:29,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:12:29,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:12:29,588 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:12:29,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 02:12:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:29,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 02:12:29,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:12:29,664 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-14 02:12:29,665 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 02:12:29,714 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-14 02:12:29,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867160703] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 02:12:29,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 02:12:29,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 10 [2024-10-14 02:12:29,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402059333] [2024-10-14 02:12:29,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 02:12:29,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 02:12:29,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:12:29,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 02:12:29,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-14 02:12:29,716 INFO L87 Difference]: Start difference. First operand 45 states and 57 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-14 02:12:29,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:12:29,821 INFO L93 Difference]: Finished difference Result 115 states and 150 transitions. [2024-10-14 02:12:29,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 02:12:29,822 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 40 [2024-10-14 02:12:29,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:12:29,823 INFO L225 Difference]: With dead ends: 115 [2024-10-14 02:12:29,823 INFO L226 Difference]: Without dead ends: 99 [2024-10-14 02:12:29,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-10-14 02:12:29,824 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 51 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 02:12:29,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 109 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 02:12:29,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-10-14 02:12:29,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2024-10-14 02:12:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 49 states have internal predecessors, (53), 38 states have call successors, (38), 10 states have call predecessors, (38), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 02:12:29,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 126 transitions. [2024-10-14 02:12:29,838 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 126 transitions. Word has length 40 [2024-10-14 02:12:29,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:12:29,838 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 126 transitions. [2024-10-14 02:12:29,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-14 02:12:29,839 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 126 transitions. [2024-10-14 02:12:29,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-14 02:12:29,839 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:12:29,839 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:12:29,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 02:12:30,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:12:30,044 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:12:30,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:12:30,045 INFO L85 PathProgramCache]: Analyzing trace with hash -2136650998, now seen corresponding path program 1 times [2024-10-14 02:12:30,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:12:30,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052955464] [2024-10-14 02:12:30,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:30,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:12:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 02:12:30,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1929278323] [2024-10-14 02:12:30,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:30,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:12:30,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:12:30,059 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:12:30,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 02:12:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:30,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-14 02:12:30,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:12:30,177 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 11 proven. 20 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-14 02:12:30,177 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 02:12:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-14 02:12:30,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:12:30,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052955464] [2024-10-14 02:12:30,286 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 02:12:30,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929278323] [2024-10-14 02:12:30,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929278323] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 02:12:30,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 02:12:30,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-10-14 02:12:30,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851222324] [2024-10-14 02:12:30,287 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 02:12:30,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 02:12:30,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:12:30,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 02:12:30,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-10-14 02:12:30,288 INFO L87 Difference]: Start difference. First operand 95 states and 126 transitions. Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 5 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-10-14 02:12:30,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:12:30,461 INFO L93 Difference]: Finished difference Result 113 states and 142 transitions. [2024-10-14 02:12:30,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 02:12:30,462 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 5 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) Word has length 40 [2024-10-14 02:12:30,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:12:30,463 INFO L225 Difference]: With dead ends: 113 [2024-10-14 02:12:30,463 INFO L226 Difference]: Without dead ends: 111 [2024-10-14 02:12:30,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-10-14 02:12:30,464 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 17 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 02:12:30,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 78 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 02:12:30,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-10-14 02:12:30,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-10-14 02:12:30,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 58 states have (on average 1.1206896551724137) internal successors, (65), 61 states have internal predecessors, (65), 38 states have call successors, (38), 14 states have call predecessors, (38), 14 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-14 02:12:30,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 138 transitions. [2024-10-14 02:12:30,494 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 138 transitions. Word has length 40 [2024-10-14 02:12:30,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:12:30,494 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 138 transitions. [2024-10-14 02:12:30,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 5 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-10-14 02:12:30,494 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 138 transitions. [2024-10-14 02:12:30,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-14 02:12:30,495 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:12:30,495 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:12:30,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 02:12:30,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:12:30,700 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:12:30,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:12:30,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1054982331, now seen corresponding path program 2 times [2024-10-14 02:12:30,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:12:30,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630696978] [2024-10-14 02:12:30,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:30,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:12:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 02:12:30,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [792004687] [2024-10-14 02:12:30,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 02:12:30,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:12:30,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:12:30,716 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:12:30,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 02:12:30,755 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 02:12:30,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 02:12:30,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-14 02:12:30,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:12:30,876 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-14 02:12:30,876 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 02:12:31,004 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-14 02:12:31,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:12:31,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630696978] [2024-10-14 02:12:31,004 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 02:12:31,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792004687] [2024-10-14 02:12:31,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792004687] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 02:12:31,005 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 02:12:31,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2024-10-14 02:12:31,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229048476] [2024-10-14 02:12:31,005 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 02:12:31,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 02:12:31,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:12:31,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 02:12:31,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-10-14 02:12:31,006 INFO L87 Difference]: Start difference. First operand 111 states and 138 transitions. Second operand has 14 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 6 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 4 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-14 02:12:31,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:12:31,238 INFO L93 Difference]: Finished difference Result 126 states and 153 transitions. [2024-10-14 02:12:31,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 02:12:31,238 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 6 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 4 states have call predecessors, (14), 6 states have call successors, (14) Word has length 45 [2024-10-14 02:12:31,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:12:31,241 INFO L225 Difference]: With dead ends: 126 [2024-10-14 02:12:31,241 INFO L226 Difference]: Without dead ends: 121 [2024-10-14 02:12:31,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-10-14 02:12:31,241 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 14 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 02:12:31,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 135 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 02:12:31,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-14 02:12:31,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-10-14 02:12:31,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 67 states have (on average 1.1044776119402986) internal successors, (74), 70 states have internal predecessors, (74), 35 states have call successors, (35), 17 states have call predecessors, (35), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 02:12:31,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2024-10-14 02:12:31,264 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 45 [2024-10-14 02:12:31,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:12:31,264 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2024-10-14 02:12:31,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 6 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 4 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-14 02:12:31,264 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2024-10-14 02:12:31,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-14 02:12:31,265 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:12:31,265 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:12:31,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 02:12:31,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:12:31,466 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:12:31,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:12:31,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1733391679, now seen corresponding path program 1 times [2024-10-14 02:12:31,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:12:31,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10799395] [2024-10-14 02:12:31,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:31,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:12:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 02:12:31,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1040923522] [2024-10-14 02:12:31,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:31,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:12:31,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:12:31,483 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:12:31,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 02:12:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:31,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-14 02:12:31,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:12:31,797 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-14 02:12:31,797 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 02:12:32,074 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-14 02:12:32,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:12:32,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10799395] [2024-10-14 02:12:32,074 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 02:12:32,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040923522] [2024-10-14 02:12:32,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040923522] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 02:12:32,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 02:12:32,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2024-10-14 02:12:32,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889197543] [2024-10-14 02:12:32,075 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 02:12:32,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 02:12:32,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:12:32,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 02:12:32,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-10-14 02:12:32,076 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand has 14 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 7 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 6 states have call predecessors, (22), 7 states have call successors, (22) [2024-10-14 02:12:32,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:12:32,348 INFO L93 Difference]: Finished difference Result 136 states and 158 transitions. [2024-10-14 02:12:32,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 02:12:32,349 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 7 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 6 states have call predecessors, (22), 7 states have call successors, (22) Word has length 66 [2024-10-14 02:12:32,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:12:32,350 INFO L225 Difference]: With dead ends: 136 [2024-10-14 02:12:32,350 INFO L226 Difference]: Without dead ends: 132 [2024-10-14 02:12:32,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-10-14 02:12:32,351 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 10 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 02:12:32,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 142 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 02:12:32,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-10-14 02:12:32,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-10-14 02:12:32,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 75 states have (on average 1.08) internal successors, (81), 78 states have internal predecessors, (81), 37 states have call successors, (37), 20 states have call predecessors, (37), 19 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-14 02:12:32,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 152 transitions. [2024-10-14 02:12:32,377 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 152 transitions. Word has length 66 [2024-10-14 02:12:32,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:12:32,378 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 152 transitions. [2024-10-14 02:12:32,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 7 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 6 states have call predecessors, (22), 7 states have call successors, (22) [2024-10-14 02:12:32,378 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 152 transitions. [2024-10-14 02:12:32,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-14 02:12:32,378 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:12:32,379 INFO L215 NwaCegarLoop]: trace histogram [13, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:12:32,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 02:12:32,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:12:32,580 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:12:32,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:12:32,580 INFO L85 PathProgramCache]: Analyzing trace with hash 2124427812, now seen corresponding path program 1 times [2024-10-14 02:12:32,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:12:32,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341564070] [2024-10-14 02:12:32,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:32,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:12:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 02:12:32,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [247755809] [2024-10-14 02:12:32,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:32,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:12:32,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:12:32,601 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:12:32,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 02:12:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:32,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-14 02:12:32,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:12:32,912 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 23 proven. 42 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-10-14 02:12:32,913 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 02:12:33,367 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 23 proven. 42 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-10-14 02:12:33,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:12:33,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341564070] [2024-10-14 02:12:33,368 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 02:12:33,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247755809] [2024-10-14 02:12:33,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247755809] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 02:12:33,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 02:12:33,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-10-14 02:12:33,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103322359] [2024-10-14 02:12:33,368 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 02:12:33,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 02:12:33,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:12:33,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 02:12:33,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-10-14 02:12:33,369 INFO L87 Difference]: Start difference. First operand 132 states and 152 transitions. Second operand has 15 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 7 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (24), 6 states have call predecessors, (24), 7 states have call successors, (24) [2024-10-14 02:12:34,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:12:34,236 INFO L93 Difference]: Finished difference Result 155 states and 186 transitions. [2024-10-14 02:12:34,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 02:12:34,237 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 7 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (24), 6 states have call predecessors, (24), 7 states have call successors, (24) Word has length 71 [2024-10-14 02:12:34,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:12:34,239 INFO L225 Difference]: With dead ends: 155 [2024-10-14 02:12:34,239 INFO L226 Difference]: Without dead ends: 144 [2024-10-14 02:12:34,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2024-10-14 02:12:34,239 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 8 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 02:12:34,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 194 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 02:12:34,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-10-14 02:12:34,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 140. [2024-10-14 02:12:34,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 77 states have (on average 1.077922077922078) internal successors, (83), 81 states have internal predecessors, (83), 42 states have call successors, (42), 20 states have call predecessors, (42), 20 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-14 02:12:34,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2024-10-14 02:12:34,268 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 71 [2024-10-14 02:12:34,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:12:34,269 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2024-10-14 02:12:34,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 7 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (24), 6 states have call predecessors, (24), 7 states have call successors, (24) [2024-10-14 02:12:34,269 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2024-10-14 02:12:34,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 02:12:34,269 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:12:34,269 INFO L215 NwaCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1] [2024-10-14 02:12:34,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-14 02:12:34,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-14 02:12:34,474 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:12:34,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:12:34,474 INFO L85 PathProgramCache]: Analyzing trace with hash -331345392, now seen corresponding path program 3 times [2024-10-14 02:12:34,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:12:34,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432352994] [2024-10-14 02:12:34,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:34,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:12:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 02:12:34,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1010895362] [2024-10-14 02:12:34,490 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 02:12:34,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:12:34,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:12:34,491 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:12:34,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 02:12:34,555 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-14 02:12:34,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 02:12:34,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-10-14 02:12:34,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:12:34,745 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 55 proven. 27 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-10-14 02:12:34,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 02:12:35,468 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 55 proven. 27 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-10-14 02:12:35,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:12:35,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432352994] [2024-10-14 02:12:35,469 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 02:12:35,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010895362] [2024-10-14 02:12:35,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010895362] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 02:12:35,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 02:12:35,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2024-10-14 02:12:35,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259152073] [2024-10-14 02:12:35,469 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 02:12:35,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 02:12:35,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:12:35,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 02:12:35,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-10-14 02:12:35,470 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand has 16 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 13 states have internal predecessors, (31), 8 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (26), 6 states have call predecessors, (26), 8 states have call successors, (26) [2024-10-14 02:12:40,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 02:12:45,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 02:12:45,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:12:45,335 INFO L93 Difference]: Finished difference Result 146 states and 170 transitions. [2024-10-14 02:12:45,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 02:12:45,335 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 13 states have internal predecessors, (31), 8 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (26), 6 states have call predecessors, (26), 8 states have call successors, (26) Word has length 78 [2024-10-14 02:12:45,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:12:45,336 INFO L225 Difference]: With dead ends: 146 [2024-10-14 02:12:45,336 INFO L226 Difference]: Without dead ends: 128 [2024-10-14 02:12:45,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 140 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2024-10-14 02:12:45,337 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 18 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 108 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-10-14 02:12:45,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 197 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 254 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2024-10-14 02:12:45,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-10-14 02:12:45,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-10-14 02:12:45,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 74 states have (on average 1.054054054054054) internal successors, (78), 77 states have internal predecessors, (78), 34 states have call successors, (34), 19 states have call predecessors, (34), 19 states have return successors, (33), 31 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-14 02:12:45,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 145 transitions. [2024-10-14 02:12:45,398 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 145 transitions. Word has length 78 [2024-10-14 02:12:45,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:12:45,398 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 145 transitions. [2024-10-14 02:12:45,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 13 states have internal predecessors, (31), 8 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (26), 6 states have call predecessors, (26), 8 states have call successors, (26) [2024-10-14 02:12:45,398 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 145 transitions. [2024-10-14 02:12:45,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-14 02:12:45,399 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:12:45,399 INFO L215 NwaCegarLoop]: trace histogram [22, 21, 21, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:12:45,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-14 02:12:45,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:12:45,600 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:12:45,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:12:45,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1753860344, now seen corresponding path program 2 times [2024-10-14 02:12:45,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:12:45,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634488049] [2024-10-14 02:12:45,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:45,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:12:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 02:12:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:12:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 02:12:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 02:12:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 02:12:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 02:12:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:12:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 02:12:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 02:12:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 02:12:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 02:12:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 02:12:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 02:12:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 02:12:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 02:12:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 02:12:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 02:12:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 02:12:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 02:12:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 02:12:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 02:12:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:45,836 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-14 02:12:45,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:12:45,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634488049] [2024-10-14 02:12:45,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634488049] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:12:45,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413867676] [2024-10-14 02:12:45,836 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 02:12:45,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:12:45,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:12:45,838 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:12:45,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 02:12:45,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 02:12:45,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 02:12:45,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-14 02:12:45,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:12:45,997 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 120 proven. 656 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-10-14 02:12:45,997 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 02:12:46,123 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-14 02:12:46,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413867676] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 02:12:46,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 02:12:46,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 16 [2024-10-14 02:12:46,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363662120] [2024-10-14 02:12:46,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 02:12:46,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 02:12:46,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:12:46,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 02:12:46,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=144, Unknown=0, NotChecked=0, Total=240 [2024-10-14 02:12:46,125 INFO L87 Difference]: Start difference. First operand 128 states and 145 transitions. Second operand has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 9 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (62), 9 states have call predecessors, (62), 9 states have call successors, (62) [2024-10-14 02:12:46,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:12:46,463 INFO L93 Difference]: Finished difference Result 361 states and 394 transitions. [2024-10-14 02:12:46,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-14 02:12:46,463 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 9 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (62), 9 states have call predecessors, (62), 9 states have call successors, (62) Word has length 124 [2024-10-14 02:12:46,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:12:46,465 INFO L225 Difference]: With dead ends: 361 [2024-10-14 02:12:46,465 INFO L226 Difference]: Without dead ends: 345 [2024-10-14 02:12:46,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=196, Invalid=356, Unknown=0, NotChecked=0, Total=552 [2024-10-14 02:12:46,466 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 134 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 02:12:46,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 141 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 02:12:46,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-10-14 02:12:46,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 289. [2024-10-14 02:12:46,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 174 states have (on average 1.0574712643678161) internal successors, (184), 181 states have internal predecessors, (184), 68 states have call successors, (68), 47 states have call predecessors, (68), 46 states have return successors, (65), 60 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-14 02:12:46,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 317 transitions. [2024-10-14 02:12:46,519 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 317 transitions. Word has length 124 [2024-10-14 02:12:46,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:12:46,520 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 317 transitions. [2024-10-14 02:12:46,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 9 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (62), 9 states have call predecessors, (62), 9 states have call successors, (62) [2024-10-14 02:12:46,520 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 317 transitions. [2024-10-14 02:12:46,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-14 02:12:46,521 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:12:46,521 INFO L215 NwaCegarLoop]: trace histogram [24, 23, 23, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:12:46,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-14 02:12:46,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-14 02:12:46,726 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:12:46,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:12:46,726 INFO L85 PathProgramCache]: Analyzing trace with hash 109149613, now seen corresponding path program 1 times [2024-10-14 02:12:46,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:12:46,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855871132] [2024-10-14 02:12:46,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:46,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:12:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 02:12:46,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1246031783] [2024-10-14 02:12:46,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:12:46,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:12:46,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:12:46,767 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:12:46,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 02:12:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:12:46,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-10-14 02:12:46,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:12:47,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 45 proven. 115 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-14 02:12:47,081 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 02:12:48,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 45 proven. 115 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-14 02:12:48,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:12:48,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855871132] [2024-10-14 02:12:48,846 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 02:12:48,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246031783] [2024-10-14 02:12:48,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246031783] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 02:12:48,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 02:12:48,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2024-10-14 02:12:48,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603214109] [2024-10-14 02:12:48,846 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 02:12:48,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 02:12:48,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:12:48,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 02:12:48,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-10-14 02:12:48,848 INFO L87 Difference]: Start difference. First operand 289 states and 317 transitions. Second operand has 17 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 15 states have internal predecessors, (39), 9 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (46), 8 states have call predecessors, (46), 9 states have call successors, (46) [2024-10-14 02:13:05,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 02:13:09,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 02:13:09,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:13:09,355 INFO L93 Difference]: Finished difference Result 327 states and 347 transitions. [2024-10-14 02:13:09,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 02:13:09,356 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 15 states have internal predecessors, (39), 9 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (46), 8 states have call predecessors, (46), 9 states have call successors, (46) Word has length 132 [2024-10-14 02:13:09,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:13:09,357 INFO L225 Difference]: With dead ends: 327 [2024-10-14 02:13:09,357 INFO L226 Difference]: Without dead ends: 299 [2024-10-14 02:13:09,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=76, Invalid=264, Unknown=2, NotChecked=0, Total=342 [2024-10-14 02:13:09,358 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 12 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 30 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-10-14 02:13:09,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 279 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 265 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2024-10-14 02:13:09,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-10-14 02:13:09,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2024-10-14 02:13:09,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 186 states have (on average 1.043010752688172) internal successors, (194), 192 states have internal predecessors, (194), 62 states have call successors, (62), 51 states have call predecessors, (62), 50 states have return successors, (60), 55 states have call predecessors, (60), 60 states have call successors, (60) [2024-10-14 02:13:09,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 316 transitions. [2024-10-14 02:13:09,423 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 316 transitions. Word has length 132 [2024-10-14 02:13:09,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:13:09,423 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 316 transitions. [2024-10-14 02:13:09,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 15 states have internal predecessors, (39), 9 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (46), 8 states have call predecessors, (46), 9 states have call successors, (46) [2024-10-14 02:13:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 316 transitions. [2024-10-14 02:13:09,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-14 02:13:09,424 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:13:09,425 INFO L215 NwaCegarLoop]: trace histogram [28, 27, 27, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:13:09,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-14 02:13:09,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-14 02:13:09,627 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:13:09,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:13:09,628 INFO L85 PathProgramCache]: Analyzing trace with hash 460751474, now seen corresponding path program 2 times [2024-10-14 02:13:09,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:13:09,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780644717] [2024-10-14 02:13:09,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:13:09,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:13:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 02:13:09,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1210528810] [2024-10-14 02:13:09,652 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 02:13:09,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:13:09,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:13:09,653 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:13:09,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 02:13:09,743 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 02:13:09,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 02:13:09,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-10-14 02:13:09,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:13:09,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1538 backedges. 113 proven. 99 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-10-14 02:13:09,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 02:13:10,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1538 backedges. 113 proven. 51 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2024-10-14 02:13:10,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:13:10,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780644717] [2024-10-14 02:13:10,542 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 02:13:10,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210528810] [2024-10-14 02:13:10,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210528810] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 02:13:10,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 02:13:10,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 18 [2024-10-14 02:13:10,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303023629] [2024-10-14 02:13:10,542 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 02:13:10,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-14 02:13:10,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:13:10,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-14 02:13:10,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2024-10-14 02:13:10,543 INFO L87 Difference]: Start difference. First operand 299 states and 316 transitions. Second operand has 18 states, 16 states have (on average 2.3125) internal successors, (37), 16 states have internal predecessors, (37), 10 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (39), 9 states have call predecessors, (39), 10 states have call successors, (39) [2024-10-14 02:13:11,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:13:11,074 INFO L93 Difference]: Finished difference Result 312 states and 328 transitions. [2024-10-14 02:13:11,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 02:13:11,074 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 2.3125) internal successors, (37), 16 states have internal predecessors, (37), 10 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (39), 9 states have call predecessors, (39), 10 states have call successors, (39) Word has length 155 [2024-10-14 02:13:11,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:13:11,076 INFO L225 Difference]: With dead ends: 312 [2024-10-14 02:13:11,076 INFO L226 Difference]: Without dead ends: 280 [2024-10-14 02:13:11,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 290 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=526, Unknown=0, NotChecked=0, Total=650 [2024-10-14 02:13:11,077 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 16 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 02:13:11,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 400 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 02:13:11,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-10-14 02:13:11,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2024-10-14 02:13:11,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 178 states have (on average 1.0112359550561798) internal successors, (180), 179 states have internal predecessors, (180), 53 states have call successors, (53), 48 states have call predecessors, (53), 48 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 02:13:11,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 285 transitions. [2024-10-14 02:13:11,152 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 285 transitions. Word has length 155 [2024-10-14 02:13:11,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:13:11,152 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 285 transitions. [2024-10-14 02:13:11,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 2.3125) internal successors, (37), 16 states have internal predecessors, (37), 10 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (39), 9 states have call predecessors, (39), 10 states have call successors, (39) [2024-10-14 02:13:11,152 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 285 transitions. [2024-10-14 02:13:11,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-10-14 02:13:11,158 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:13:11,158 INFO L215 NwaCegarLoop]: trace histogram [52, 51, 51, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:13:11,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-14 02:13:11,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-14 02:13:11,359 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:13:11,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:13:11,359 INFO L85 PathProgramCache]: Analyzing trace with hash -141720852, now seen corresponding path program 3 times [2024-10-14 02:13:11,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:13:11,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792219703] [2024-10-14 02:13:11,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:13:11,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:13:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 02:13:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:13:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 02:13:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 02:13:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 02:13:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 02:13:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:13:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 02:13:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 02:13:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 02:13:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 02:13:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 02:13:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 02:13:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 02:13:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 02:13:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 02:13:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 02:13:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 02:13:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 02:13:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 02:13:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 02:13:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 02:13:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 02:13:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:11,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 02:13:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 02:13:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-14 02:13:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 02:13:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 02:13:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 02:13:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 02:13:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-14 02:13:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 02:13:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 02:13:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 02:13:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 02:13:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-14 02:13:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-14 02:13:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-14 02:13:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-14 02:13:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 02:13:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 02:13:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-14 02:13:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-14 02:13:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-14 02:13:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-14 02:13:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 02:13:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-14 02:13:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-14 02:13:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-14 02:13:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-14 02:13:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-14 02:13:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:12,119 INFO L134 CoverageAnalysis]: Checked inductivity of 5582 backedges. 102 proven. 380 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-10-14 02:13:12,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:13:12,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792219703] [2024-10-14 02:13:12,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792219703] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:13:12,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397223767] [2024-10-14 02:13:12,123 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 02:13:12,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:13:12,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:13:12,125 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:13:12,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 02:13:12,251 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 31 check-sat command(s) [2024-10-14 02:13:12,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 02:13:12,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-14 02:13:12,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:13:12,513 INFO L134 CoverageAnalysis]: Checked inductivity of 5582 backedges. 300 proven. 4880 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-10-14 02:13:12,513 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 02:13:12,915 INFO L134 CoverageAnalysis]: Checked inductivity of 5582 backedges. 102 proven. 380 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-10-14 02:13:12,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397223767] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 02:13:12,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 02:13:12,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 28 [2024-10-14 02:13:12,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141444343] [2024-10-14 02:13:12,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 02:13:12,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-14 02:13:12,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:13:12,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-14 02:13:12,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=330, Invalid=426, Unknown=0, NotChecked=0, Total=756 [2024-10-14 02:13:12,920 INFO L87 Difference]: Start difference. First operand 280 states and 285 transitions. Second operand has 28 states, 28 states have (on average 3.8214285714285716) internal successors, (107), 28 states have internal predecessors, (107), 21 states have call successors, (153), 12 states have call predecessors, (153), 12 states have return successors, (152), 21 states have call predecessors, (152), 21 states have call successors, (152) [2024-10-14 02:13:13,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:13:13,657 INFO L93 Difference]: Finished difference Result 629 states and 646 transitions. [2024-10-14 02:13:13,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-14 02:13:13,658 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.8214285714285716) internal successors, (107), 28 states have internal predecessors, (107), 21 states have call successors, (153), 12 states have call predecessors, (153), 12 states have return successors, (152), 21 states have call predecessors, (152), 21 states have call successors, (152) Word has length 292 [2024-10-14 02:13:13,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:13:13,663 INFO L225 Difference]: With dead ends: 629 [2024-10-14 02:13:13,663 INFO L226 Difference]: Without dead ends: 616 [2024-10-14 02:13:13,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 718 GetRequests, 672 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=820, Invalid=1436, Unknown=0, NotChecked=0, Total=2256 [2024-10-14 02:13:13,664 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 140 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 02:13:13,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 177 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 02:13:13,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-10-14 02:13:13,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 616. [2024-10-14 02:13:13,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 394 states have (on average 1.0050761421319796) internal successors, (396), 395 states have internal predecessors, (396), 113 states have call successors, (113), 108 states have call predecessors, (113), 108 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-10-14 02:13:13,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 621 transitions. [2024-10-14 02:13:13,814 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 621 transitions. Word has length 292 [2024-10-14 02:13:13,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:13:13,814 INFO L471 AbstractCegarLoop]: Abstraction has 616 states and 621 transitions. [2024-10-14 02:13:13,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.8214285714285716) internal successors, (107), 28 states have internal predecessors, (107), 21 states have call successors, (153), 12 states have call predecessors, (153), 12 states have return successors, (152), 21 states have call predecessors, (152), 21 states have call successors, (152) [2024-10-14 02:13:13,815 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 621 transitions. [2024-10-14 02:13:13,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 629 [2024-10-14 02:13:13,821 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:13:13,821 INFO L215 NwaCegarLoop]: trace histogram [112, 111, 111, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:13:13,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-14 02:13:14,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-14 02:13:14,022 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:13:14,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:13:14,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1785250124, now seen corresponding path program 4 times [2024-10-14 02:13:14,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:13:14,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594466213] [2024-10-14 02:13:14,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:13:14,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:13:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 02:13:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:13:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 02:13:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 02:13:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 02:13:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 02:13:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:13:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 02:13:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 02:13:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 02:13:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 02:13:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 02:13:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 02:13:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 02:13:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 02:13:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 02:13:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 02:13:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 02:13:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 02:13:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 02:13:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 02:13:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 02:13:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 02:13:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 02:13:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 02:13:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-14 02:13:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 02:13:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 02:13:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 02:13:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 02:13:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-14 02:13:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 02:13:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 02:13:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 02:13:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 02:13:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-14 02:13:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-14 02:13:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-14 02:13:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-14 02:13:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 02:13:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 02:13:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-14 02:13:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-14 02:13:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-14 02:13:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-14 02:13:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 02:13:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-14 02:13:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-14 02:13:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-14 02:13:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-14 02:13:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-14 02:13:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-14 02:13:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-14 02:13:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-14 02:13:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-14 02:13:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-14 02:13:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-14 02:13:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-14 02:13:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-14 02:13:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-14 02:13:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-14 02:13:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-10-14 02:13:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-10-14 02:13:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-14 02:13:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-14 02:13:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2024-10-14 02:13:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-14 02:13:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2024-10-14 02:13:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2024-10-14 02:13:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2024-10-14 02:13:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-14 02:13:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2024-10-14 02:13:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-10-14 02:13:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2024-10-14 02:13:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-10-14 02:13:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-10-14 02:13:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-10-14 02:13:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-10-14 02:13:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2024-10-14 02:13:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2024-10-14 02:13:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2024-10-14 02:13:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2024-10-14 02:13:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2024-10-14 02:13:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2024-10-14 02:13:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2024-10-14 02:13:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2024-10-14 02:13:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2024-10-14 02:13:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2024-10-14 02:13:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2024-10-14 02:13:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2024-10-14 02:13:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2024-10-14 02:13:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2024-10-14 02:13:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2024-10-14 02:13:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2024-10-14 02:13:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2024-10-14 02:13:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2024-10-14 02:13:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2024-10-14 02:13:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2024-10-14 02:13:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2024-10-14 02:13:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2024-10-14 02:13:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-10-14 02:13:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2024-10-14 02:13:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2024-10-14 02:13:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2024-10-14 02:13:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2024-10-14 02:13:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2024-10-14 02:13:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2024-10-14 02:13:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2024-10-14 02:13:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2024-10-14 02:13:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2024-10-14 02:13:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2024-10-14 02:13:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:15,822 INFO L134 CoverageAnalysis]: Checked inductivity of 26534 backedges. 222 proven. 1892 refuted. 0 times theorem prover too weak. 24420 trivial. 0 not checked. [2024-10-14 02:13:15,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:13:15,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594466213] [2024-10-14 02:13:15,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594466213] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:13:15,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233867300] [2024-10-14 02:13:15,823 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-14 02:13:15,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:13:15,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:13:15,827 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:13:15,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-14 02:13:16,147 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-14 02:13:16,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 02:13:16,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 1354 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-10-14 02:13:16,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 02:13:16,682 INFO L134 CoverageAnalysis]: Checked inductivity of 26534 backedges. 660 proven. 24992 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-10-14 02:13:16,682 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 02:13:17,737 INFO L134 CoverageAnalysis]: Checked inductivity of 26534 backedges. 222 proven. 1892 refuted. 0 times theorem prover too weak. 24420 trivial. 0 not checked. [2024-10-14 02:13:17,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233867300] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 02:13:17,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 02:13:17,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 26] total 52 [2024-10-14 02:13:17,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645329875] [2024-10-14 02:13:17,739 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 02:13:17,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-10-14 02:13:17,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 02:13:17,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-10-14 02:13:17,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1230, Invalid=1422, Unknown=0, NotChecked=0, Total=2652 [2024-10-14 02:13:17,744 INFO L87 Difference]: Start difference. First operand 616 states and 621 transitions. Second operand has 52 states, 52 states have (on average 4.134615384615385) internal successors, (215), 52 states have internal predecessors, (215), 45 states have call successors, (333), 24 states have call predecessors, (333), 24 states have return successors, (332), 45 states have call predecessors, (332), 45 states have call successors, (332) [2024-10-14 02:13:19,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 02:13:19,784 INFO L93 Difference]: Finished difference Result 1301 states and 1330 transitions. [2024-10-14 02:13:19,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-10-14 02:13:19,784 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 4.134615384615385) internal successors, (215), 52 states have internal predecessors, (215), 45 states have call successors, (333), 24 states have call predecessors, (333), 24 states have return successors, (332), 45 states have call predecessors, (332), 45 states have call successors, (332) Word has length 628 [2024-10-14 02:13:19,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 02:13:19,794 INFO L225 Difference]: With dead ends: 1301 [2024-10-14 02:13:19,795 INFO L226 Difference]: Without dead ends: 1288 [2024-10-14 02:13:19,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1546 GetRequests, 1452 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1380 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=3364, Invalid=5756, Unknown=0, NotChecked=0, Total=9120 [2024-10-14 02:13:19,801 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 299 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 02:13:19,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 273 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 02:13:19,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2024-10-14 02:13:20,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1288. [2024-10-14 02:13:20,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1288 states, 826 states have (on average 1.0024213075060533) internal successors, (828), 827 states have internal predecessors, (828), 233 states have call successors, (233), 228 states have call predecessors, (233), 228 states have return successors, (232), 232 states have call predecessors, (232), 232 states have call successors, (232) [2024-10-14 02:13:20,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1293 transitions. [2024-10-14 02:13:20,195 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1293 transitions. Word has length 628 [2024-10-14 02:13:20,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 02:13:20,196 INFO L471 AbstractCegarLoop]: Abstraction has 1288 states and 1293 transitions. [2024-10-14 02:13:20,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 4.134615384615385) internal successors, (215), 52 states have internal predecessors, (215), 45 states have call successors, (333), 24 states have call predecessors, (333), 24 states have return successors, (332), 45 states have call predecessors, (332), 45 states have call successors, (332) [2024-10-14 02:13:20,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1293 transitions. [2024-10-14 02:13:20,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1301 [2024-10-14 02:13:20,224 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 02:13:20,225 INFO L215 NwaCegarLoop]: trace histogram [232, 231, 231, 47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 02:13:20,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-14 02:13:20,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:13:20,429 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 02:13:20,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 02:13:20,429 INFO L85 PathProgramCache]: Analyzing trace with hash -997767612, now seen corresponding path program 5 times [2024-10-14 02:13:20,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 02:13:20,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37073935] [2024-10-14 02:13:20,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 02:13:20,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 02:13:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 02:13:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 02:13:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 02:13:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 02:13:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 02:13:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 02:13:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 02:13:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 02:13:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 02:13:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 02:13:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 02:13:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 02:13:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 02:13:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 02:13:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 02:13:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 02:13:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 02:13:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 02:13:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 02:13:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 02:13:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 02:13:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 02:13:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 02:13:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 02:13:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 02:13:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-14 02:13:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 02:13:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 02:13:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 02:13:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 02:13:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-14 02:13:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 02:13:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 02:13:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 02:13:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 02:13:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-14 02:13:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-14 02:13:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-14 02:13:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-14 02:13:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 02:13:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 02:13:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-14 02:13:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-14 02:13:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-14 02:13:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-14 02:13:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 02:13:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-14 02:13:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-14 02:13:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-14 02:13:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-14 02:13:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-14 02:13:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-14 02:13:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-14 02:13:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-14 02:13:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-14 02:13:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-14 02:13:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-14 02:13:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-14 02:13:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-14 02:13:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-14 02:13:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-14 02:13:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-10-14 02:13:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-10-14 02:13:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-14 02:13:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-14 02:13:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2024-10-14 02:13:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-14 02:13:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2024-10-14 02:13:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2024-10-14 02:13:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2024-10-14 02:13:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-14 02:13:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2024-10-14 02:13:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-10-14 02:13:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2024-10-14 02:13:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-10-14 02:13:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-10-14 02:13:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-10-14 02:13:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-10-14 02:13:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2024-10-14 02:13:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2024-10-14 02:13:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2024-10-14 02:13:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2024-10-14 02:13:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2024-10-14 02:13:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2024-10-14 02:13:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2024-10-14 02:13:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2024-10-14 02:13:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2024-10-14 02:13:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2024-10-14 02:13:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2024-10-14 02:13:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2024-10-14 02:13:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2024-10-14 02:13:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2024-10-14 02:13:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2024-10-14 02:13:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2024-10-14 02:13:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2024-10-14 02:13:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2024-10-14 02:13:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2024-10-14 02:13:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2024-10-14 02:13:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2024-10-14 02:13:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2024-10-14 02:13:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-10-14 02:13:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2024-10-14 02:13:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2024-10-14 02:13:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2024-10-14 02:13:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2024-10-14 02:13:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2024-10-14 02:13:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2024-10-14 02:13:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2024-10-14 02:13:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2024-10-14 02:13:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2024-10-14 02:13:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2024-10-14 02:13:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2024-10-14 02:13:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2024-10-14 02:13:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 634 [2024-10-14 02:13:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2024-10-14 02:13:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2024-10-14 02:13:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 652 [2024-10-14 02:13:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2024-10-14 02:13:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2024-10-14 02:13:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2024-10-14 02:13:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2024-10-14 02:13:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2024-10-14 02:13:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 685 [2024-10-14 02:13:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 690 [2024-10-14 02:13:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2024-10-14 02:13:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 703 [2024-10-14 02:13:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2024-10-14 02:13:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2024-10-14 02:13:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2024-10-14 02:13:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 723 [2024-10-14 02:13:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2024-10-14 02:13:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2024-10-14 02:13:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2024-10-14 02:13:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2024-10-14 02:13:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 751 [2024-10-14 02:13:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 759 [2024-10-14 02:13:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 764 [2024-10-14 02:13:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2024-10-14 02:13:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 774 [2024-10-14 02:13:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2024-10-14 02:13:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 787 [2024-10-14 02:13:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 792 [2024-10-14 02:13:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2024-10-14 02:13:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 802 [2024-10-14 02:13:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 807 [2024-10-14 02:13:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2024-10-14 02:13:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 820 [2024-10-14 02:13:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 825 [2024-10-14 02:13:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 830 [2024-10-14 02:13:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2024-10-14 02:13:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2024-10-14 02:13:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 848 [2024-10-14 02:13:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2024-10-14 02:13:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 858 [2024-10-14 02:13:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2024-10-14 02:13:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2024-10-14 02:13:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 876 [2024-10-14 02:13:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2024-10-14 02:13:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 886 [2024-10-14 02:13:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 891 [2024-10-14 02:13:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2024-10-14 02:13:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 904 [2024-10-14 02:13:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 909 [2024-10-14 02:13:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2024-10-14 02:13:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 919 [2024-10-14 02:13:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 927 [2024-10-14 02:13:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2024-10-14 02:13:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 937 [2024-10-14 02:13:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 942 [2024-10-14 02:13:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2024-10-14 02:13:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 955 [2024-10-14 02:13:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 960 [2024-10-14 02:13:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 965 [2024-10-14 02:13:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2024-10-14 02:13:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2024-10-14 02:13:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 983 [2024-10-14 02:13:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2024-10-14 02:13:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 993 [2024-10-14 02:13:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 998 [2024-10-14 02:13:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1003 [2024-10-14 02:13:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1011 [2024-10-14 02:13:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2024-10-14 02:13:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1021 [2024-10-14 02:13:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1026 [2024-10-14 02:13:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1031 [2024-10-14 02:13:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1039 [2024-10-14 02:13:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1044 [2024-10-14 02:13:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2024-10-14 02:13:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1054 [2024-10-14 02:13:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1059 [2024-10-14 02:13:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1067 [2024-10-14 02:13:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1072 [2024-10-14 02:13:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1077 [2024-10-14 02:13:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1082 [2024-10-14 02:13:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2024-10-14 02:13:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1095 [2024-10-14 02:13:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1100 [2024-10-14 02:13:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2024-10-14 02:13:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1110 [2024-10-14 02:13:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2024-10-14 02:13:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:25,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2024-10-14 02:13:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1128 [2024-10-14 02:13:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1133 [2024-10-14 02:13:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1138 [2024-10-14 02:13:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1143 [2024-10-14 02:13:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1151 [2024-10-14 02:13:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1156 [2024-10-14 02:13:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1161 [2024-10-14 02:13:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1166 [2024-10-14 02:13:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1171 [2024-10-14 02:13:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1179 [2024-10-14 02:13:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2024-10-14 02:13:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1189 [2024-10-14 02:13:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1194 [2024-10-14 02:13:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2024-10-14 02:13:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1207 [2024-10-14 02:13:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1212 [2024-10-14 02:13:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1217 [2024-10-14 02:13:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2024-10-14 02:13:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1227 [2024-10-14 02:13:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1235 [2024-10-14 02:13:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1240 [2024-10-14 02:13:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2024-10-14 02:13:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1250 [2024-10-14 02:13:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2024-10-14 02:13:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1263 [2024-10-14 02:13:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1268 [2024-10-14 02:13:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1273 [2024-10-14 02:13:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1278 [2024-10-14 02:13:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1283 [2024-10-14 02:13:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1291 [2024-10-14 02:13:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 02:13:26,157 INFO L134 CoverageAnalysis]: Checked inductivity of 115094 backedges. 462 proven. 8372 refuted. 0 times theorem prover too weak. 106260 trivial. 0 not checked. [2024-10-14 02:13:26,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 02:13:26,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37073935] [2024-10-14 02:13:26,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37073935] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 02:13:26,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262101229] [2024-10-14 02:13:26,158 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-14 02:13:26,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 02:13:26,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 02:13:26,164 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 02:13:26,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process