./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.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 c55d57654781cf0634666e1c7d4e43dff0d9410f4306aded3e4e446e1f9e88d1 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 19:57:44,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 19:57:45,075 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 19:57:45,080 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 19:57:45,081 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 19:57:45,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 19:57:45,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 19:57:45,109 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 19:57:45,109 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 19:57:45,111 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 19:57:45,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 19:57:45,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 19:57:45,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 19:57:45,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 19:57:45,114 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 19:57:45,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 19:57:45,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 19:57:45,115 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 19:57:45,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 19:57:45,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 19:57:45,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 19:57:45,119 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 19:57:45,119 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 19:57:45,119 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 19:57:45,119 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 19:57:45,120 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 19:57:45,120 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 19:57:45,120 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 19:57:45,120 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 19:57:45,120 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 19:57:45,121 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 19:57:45,121 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 19:57:45,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 19:57:45,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 19:57:45,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 19:57:45,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 19:57:45,122 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 19:57:45,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 19:57:45,124 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 19:57:45,125 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 19:57:45,125 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 19:57:45,125 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 19:57:45,126 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c55d57654781cf0634666e1c7d4e43dff0d9410f4306aded3e4e446e1f9e88d1 [2024-11-11 19:57:45,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 19:57:45,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 19:57:45,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 19:57:45,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 19:57:45,395 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 19:57:45,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c [2024-11-11 19:57:46,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 19:57:47,017 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 19:57:47,018 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c [2024-11-11 19:57:47,025 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6efe71fbf/9f42bb059968433d9c5eb0ec86d00ca6/FLAG9ce64e1c5 [2024-11-11 19:57:47,038 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6efe71fbf/9f42bb059968433d9c5eb0ec86d00ca6 [2024-11-11 19:57:47,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 19:57:47,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 19:57:47,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 19:57:47,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 19:57:47,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 19:57:47,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 07:57:47" (1/1) ... [2024-11-11 19:57:47,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d0eadb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:57:47, skipping insertion in model container [2024-11-11 19:57:47,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 07:57:47" (1/1) ... [2024-11-11 19:57:47,079 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 19:57:47,263 WARN L250 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_unwindbound100.c[588,601] [2024-11-11 19:57:47,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 19:57:47,309 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 19:57:47,322 WARN L250 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_unwindbound100.c[588,601] [2024-11-11 19:57:47,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 19:57:47,364 INFO L204 MainTranslator]: Completed translation [2024-11-11 19:57:47,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:57:47 WrapperNode [2024-11-11 19:57:47,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 19:57:47,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 19:57:47,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 19:57:47,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 19:57:47,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:57:47" (1/1) ... [2024-11-11 19:57:47,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:57:47" (1/1) ... [2024-11-11 19:57:47,392 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2024-11-11 19:57:47,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 19:57:47,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 19:57:47,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 19:57:47,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 19:57:47,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:57:47" (1/1) ... [2024-11-11 19:57:47,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:57:47" (1/1) ... [2024-11-11 19:57:47,402 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:57:47" (1/1) ... [2024-11-11 19:57:47,416 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]. [2024-11-11 19:57:47,416 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:57:47" (1/1) ... [2024-11-11 19:57:47,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:57:47" (1/1) ... [2024-11-11 19:57:47,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:57:47" (1/1) ... [2024-11-11 19:57:47,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:57:47" (1/1) ... [2024-11-11 19:57:47,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:57:47" (1/1) ... [2024-11-11 19:57:47,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:57:47" (1/1) ... [2024-11-11 19:57:47,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 19:57:47,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 19:57:47,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 19:57:47,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 19:57:47,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:57:47" (1/1) ... [2024-11-11 19:57:47,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 19:57:47,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 19:57:47,473 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) [2024-11-11 19:57:47,479 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 [2024-11-11 19:57:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 19:57:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 19:57:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 19:57:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 19:57:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-11 19:57:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-11 19:57:47,600 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 19:57:47,602 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 19:57:47,761 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-11 19:57:47,763 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 19:57:47,777 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 19:57:47,777 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-11 19:57:47,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 07:57:47 BoogieIcfgContainer [2024-11-11 19:57:47,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 19:57:47,780 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 19:57:47,782 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 19:57:47,784 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 19:57:47,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 07:57:47" (1/3) ... [2024-11-11 19:57:47,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6186c0c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 07:57:47, skipping insertion in model container [2024-11-11 19:57:47,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:57:47" (2/3) ... [2024-11-11 19:57:47,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6186c0c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 07:57:47, skipping insertion in model container [2024-11-11 19:57:47,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 07:57:47" (3/3) ... [2024-11-11 19:57:47,788 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_unwindbound100.c [2024-11-11 19:57:47,803 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 19:57:47,803 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 19:57:47,868 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 19:57:47,875 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;@4cb1c73b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 19:57:47,876 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 19:57:47,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 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) [2024-11-11 19:57:47,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-11 19:57:47,886 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:57:47,887 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-11 19:57:47,888 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:57:47,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:57:47,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1823967074, now seen corresponding path program 1 times [2024-11-11 19:57:47,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 19:57:47,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957243416] [2024-11-11 19:57:47,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:47,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 19:57:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 19:57:48,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 19:57:48,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957243416] [2024-11-11 19:57:48,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957243416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 19:57:48,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 19:57:48,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 19:57:48,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922022337] [2024-11-11 19:57:48,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 19:57:48,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 19:57:48,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 19:57:48,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 19:57:48,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 19:57:48,101 INFO L87 Difference]: Start difference. First operand has 26 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 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 3.0) internal successors, (6), 2 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) [2024-11-11 19:57:48,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 19:57:48,123 INFO L93 Difference]: Finished difference Result 50 states and 87 transitions. [2024-11-11 19:57:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 19:57:48,125 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 [2024-11-11 19:57:48,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 19:57:48,131 INFO L225 Difference]: With dead ends: 50 [2024-11-11 19:57:48,131 INFO L226 Difference]: Without dead ends: 22 [2024-11-11 19:57:48,135 INFO L434 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 [2024-11-11 19:57:48,138 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 19:57:48,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 19:57:48,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-11 19:57:48,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-11 19:57:48,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 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) [2024-11-11 19:57:48,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 33 transitions. [2024-11-11 19:57:48,169 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 33 transitions. Word has length 7 [2024-11-11 19:57:48,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 19:57:48,169 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 33 transitions. [2024-11-11 19:57:48,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2024-11-11 19:57:48,170 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2024-11-11 19:57:48,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-11 19:57:48,170 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:57:48,171 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 19:57:48,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 19:57:48,171 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:57:48,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:57:48,172 INFO L85 PathProgramCache]: Analyzing trace with hash 178926099, now seen corresponding path program 1 times [2024-11-11 19:57:48,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 19:57:48,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208888917] [2024-11-11 19:57:48,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:48,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 19:57:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:48,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 19:57:48,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 19:57:48,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208888917] [2024-11-11 19:57:48,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208888917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 19:57:48,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 19:57:48,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 19:57:48,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394388577] [2024-11-11 19:57:48,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 19:57:48,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 19:57:48,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 19:57:48,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 19:57:48,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-11 19:57:48,291 INFO L87 Difference]: Start difference. First operand 22 states and 33 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-11 19:57:48,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 19:57:48,314 INFO L93 Difference]: Finished difference Result 36 states and 52 transitions. [2024-11-11 19:57:48,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 19:57:48,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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 8 [2024-11-11 19:57:48,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 19:57:48,315 INFO L225 Difference]: With dead ends: 36 [2024-11-11 19:57:48,316 INFO L226 Difference]: Without dead ends: 24 [2024-11-11 19:57:48,316 INFO L434 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 [2024-11-11 19:57:48,317 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 19:57:48,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 19:57:48,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-11 19:57:48,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-11 19:57:48,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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) [2024-11-11 19:57:48,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 35 transitions. [2024-11-11 19:57:48,330 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 35 transitions. Word has length 8 [2024-11-11 19:57:48,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 19:57:48,331 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 35 transitions. [2024-11-11 19:57:48,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-11 19:57:48,331 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2024-11-11 19:57:48,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-11 19:57:48,332 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:57:48,332 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 19:57:48,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 19:57:48,332 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:57:48,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:57:48,333 INFO L85 PathProgramCache]: Analyzing trace with hash 180475231, now seen corresponding path program 1 times [2024-11-11 19:57:48,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 19:57:48,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467692791] [2024-11-11 19:57:48,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:48,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 19:57:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:48,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 19:57:48,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 19:57:48,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467692791] [2024-11-11 19:57:48,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467692791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 19:57:48,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 19:57:48,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 19:57:48,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180805283] [2024-11-11 19:57:48,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 19:57:48,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 19:57:48,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 19:57:48,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 19:57:48,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 19:57:48,549 INFO L87 Difference]: Start difference. First operand 24 states and 35 transitions. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-11 19:57:48,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 19:57:48,692 INFO L93 Difference]: Finished difference Result 30 states and 40 transitions. [2024-11-11 19:57:48,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 19:57:48,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 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 8 [2024-11-11 19:57:48,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 19:57:48,694 INFO L225 Difference]: With dead ends: 30 [2024-11-11 19:57:48,694 INFO L226 Difference]: Without dead ends: 28 [2024-11-11 19:57:48,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-11 19:57:48,695 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 5 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 19:57:48,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 85 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 19:57:48,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-11 19:57:48,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-11 19:57:48,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 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) [2024-11-11 19:57:48,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 38 transitions. [2024-11-11 19:57:48,712 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 38 transitions. Word has length 8 [2024-11-11 19:57:48,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 19:57:48,712 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 38 transitions. [2024-11-11 19:57:48,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-11 19:57:48,713 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-11 19:57:48,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-11 19:57:48,714 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:57:48,714 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 19:57:48,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 19:57:48,714 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:57:48,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:57:48,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1275442234, now seen corresponding path program 1 times [2024-11-11 19:57:48,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 19:57:48,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821450535] [2024-11-11 19:57:48,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:48,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 19:57:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-11 19:57:48,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1405734033] [2024-11-11 19:57:48,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:48,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 19:57:48,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 19:57:48,754 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) [2024-11-11 19:57:48,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-11 19:57:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:48,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-11 19:57:48,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 19:57:48,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 19:57:48,915 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 19:57:48,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 19:57:48,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821450535] [2024-11-11 19:57:48,916 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-11 19:57:48,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405734033] [2024-11-11 19:57:48,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405734033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 19:57:48,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 19:57:48,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 19:57:48,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072405138] [2024-11-11 19:57:48,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 19:57:48,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 19:57:48,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 19:57:48,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 19:57:48,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 19:57:48,919 INFO L87 Difference]: Start difference. First operand 28 states and 38 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-11 19:57:48,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 19:57:48,983 INFO L93 Difference]: Finished difference Result 46 states and 66 transitions. [2024-11-11 19:57:48,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 19:57:48,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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 13 [2024-11-11 19:57:48,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 19:57:48,985 INFO L225 Difference]: With dead ends: 46 [2024-11-11 19:57:48,985 INFO L226 Difference]: Without dead ends: 44 [2024-11-11 19:57:48,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-11 19:57:48,987 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 4 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 19:57:48,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 120 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 19:57:48,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-11 19:57:48,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 34. [2024-11-11 19:57:48,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 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) [2024-11-11 19:57:49,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2024-11-11 19:57:49,000 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 13 [2024-11-11 19:57:49,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 19:57:49,001 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2024-11-11 19:57:49,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-11 19:57:49,001 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-11-11 19:57:49,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-11 19:57:49,002 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:57:49,002 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 19:57:49,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-11 19:57:49,202 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 [2024-11-11 19:57:49,203 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:57:49,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:57:49,204 INFO L85 PathProgramCache]: Analyzing trace with hash 427545983, now seen corresponding path program 1 times [2024-11-11 19:57:49,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 19:57:49,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086059599] [2024-11-11 19:57:49,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:49,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 19:57:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-11 19:57:49,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1139380925] [2024-11-11 19:57:49,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:49,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 19:57:49,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 19:57:49,236 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) [2024-11-11 19:57:49,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-11 19:57:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:49,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-11 19:57:49,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 19:57:49,442 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-11 19:57:49,442 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 19:57:49,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 19:57:49,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086059599] [2024-11-11 19:57:49,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-11 19:57:49,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139380925] [2024-11-11 19:57:49,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139380925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 19:57:49,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 19:57:49,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 19:57:49,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934222371] [2024-11-11 19:57:49,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 19:57:49,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 19:57:49,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 19:57:49,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 19:57:49,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 19:57:49,444 INFO L87 Difference]: Start difference. First operand 34 states and 45 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-11 19:57:49,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 19:57:49,548 INFO L93 Difference]: Finished difference Result 50 states and 69 transitions. [2024-11-11 19:57:49,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 19:57:49,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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 18 [2024-11-11 19:57:49,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 19:57:49,550 INFO L225 Difference]: With dead ends: 50 [2024-11-11 19:57:49,552 INFO L226 Difference]: Without dead ends: 48 [2024-11-11 19:57:49,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-11 19:57:49,553 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 4 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 19:57:49,554 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 129 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 19:57:49,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-11 19:57:49,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2024-11-11 19:57:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 23 states have internal predecessors, (25), 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) [2024-11-11 19:57:49,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2024-11-11 19:57:49,574 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 18 [2024-11-11 19:57:49,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 19:57:49,575 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2024-11-11 19:57:49,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-11 19:57:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2024-11-11 19:57:49,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-11 19:57:49,576 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:57:49,577 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 19:57:49,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-11 19:57:49,781 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 [2024-11-11 19:57:49,782 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:57:49,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:57:49,782 INFO L85 PathProgramCache]: Analyzing trace with hash 5607206, now seen corresponding path program 1 times [2024-11-11 19:57:49,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 19:57:49,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813181177] [2024-11-11 19:57:49,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:49,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 19:57:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-11 19:57:49,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [413831124] [2024-11-11 19:57:49,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:49,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 19:57:49,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 19:57:49,799 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) [2024-11-11 19:57:49,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-11 19:57:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:49,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-11 19:57:49,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 19:57:49,938 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-11 19:57:49,940 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 19:57:49,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 19:57:49,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813181177] [2024-11-11 19:57:49,940 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-11 19:57:49,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413831124] [2024-11-11 19:57:49,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413831124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 19:57:49,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 19:57:49,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 19:57:49,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146175184] [2024-11-11 19:57:49,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 19:57:49,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 19:57:49,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 19:57:49,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 19:57:49,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 19:57:49,942 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-11 19:57:50,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 19:57:50,046 INFO L93 Difference]: Finished difference Result 58 states and 75 transitions. [2024-11-11 19:57:50,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 19:57:50,046 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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 23 [2024-11-11 19:57:50,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 19:57:50,047 INFO L225 Difference]: With dead ends: 58 [2024-11-11 19:57:50,047 INFO L226 Difference]: Without dead ends: 46 [2024-11-11 19:57:50,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-11 19:57:50,049 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 4 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 19:57:50,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 115 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 19:57:50,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-11 19:57:50,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-11 19:57:50,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 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) [2024-11-11 19:57:50,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2024-11-11 19:57:50,065 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 58 transitions. Word has length 23 [2024-11-11 19:57:50,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 19:57:50,066 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 58 transitions. [2024-11-11 19:57:50,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-11 19:57:50,066 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2024-11-11 19:57:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-11 19:57:50,067 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:57:50,068 INFO L218 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, 1] [2024-11-11 19:57:50,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-11 19:57:50,269 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 [2024-11-11 19:57:50,270 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:57:50,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:57:50,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1172224904, now seen corresponding path program 1 times [2024-11-11 19:57:50,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 19:57:50,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207250415] [2024-11-11 19:57:50,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:50,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 19:57:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:50,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 19:57:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:50,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-11 19:57:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:50,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-11 19:57:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:50,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 19:57:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:50,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 19:57:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:50,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 19:57:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:50,425 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-11 19:57:50,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 19:57:50,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207250415] [2024-11-11 19:57:50,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207250415] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 19:57:50,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726898152] [2024-11-11 19:57:50,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:50,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 19:57:50,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 19:57:50,427 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) [2024-11-11 19:57:50,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-11 19:57:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:50,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-11 19:57:50,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 19:57:50,541 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-11 19:57:50,541 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 19:57:50,628 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-11 19:57:50,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726898152] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 19:57:50,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 19:57:50,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 8 [2024-11-11 19:57:50,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774277187] [2024-11-11 19:57:50,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 19:57:50,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-11 19:57:50,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 19:57:50,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-11 19:57:50,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-11 19:57:50,630 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 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) [2024-11-11 19:57:50,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 19:57:50,809 INFO L93 Difference]: Finished difference Result 116 states and 151 transitions. [2024-11-11 19:57:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-11 19:57:50,814 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 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 41 [2024-11-11 19:57:50,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 19:57:50,818 INFO L225 Difference]: With dead ends: 116 [2024-11-11 19:57:50,819 INFO L226 Difference]: Without dead ends: 100 [2024-11-11 19:57:50,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-11 19:57:50,821 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 51 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 19:57:50,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 138 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 19:57:50,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-11 19:57:50,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2024-11-11 19:57:50,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 47 states have (on average 1.148936170212766) internal successors, (54), 50 states have internal predecessors, (54), 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) [2024-11-11 19:57:50,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 127 transitions. [2024-11-11 19:57:50,869 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 127 transitions. Word has length 41 [2024-11-11 19:57:50,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 19:57:50,869 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 127 transitions. [2024-11-11 19:57:50,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 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) [2024-11-11 19:57:50,870 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 127 transitions. [2024-11-11 19:57:50,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-11 19:57:50,870 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:57:50,871 INFO L218 NwaCegarLoop]: trace histogram [7, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 19:57:50,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-11 19:57:51,075 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 [2024-11-11 19:57:51,075 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:57:51,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:57:51,076 INFO L85 PathProgramCache]: Analyzing trace with hash -680109588, now seen corresponding path program 1 times [2024-11-11 19:57:51,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 19:57:51,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541764055] [2024-11-11 19:57:51,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:51,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 19:57:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-11 19:57:51,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1811976311] [2024-11-11 19:57:51,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:51,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 19:57:51,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 19:57:51,109 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) [2024-11-11 19:57:51,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-11 19:57:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:51,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-11 19:57:51,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 19:57:51,286 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 11 proven. 20 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-11 19:57:51,287 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 19:57:51,458 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-11 19:57:51,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 19:57:51,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541764055] [2024-11-11 19:57:51,459 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-11 19:57:51,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811976311] [2024-11-11 19:57:51,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811976311] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 19:57:51,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-11 19:57:51,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-11 19:57:51,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847311243] [2024-11-11 19:57:51,459 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-11 19:57:51,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-11 19:57:51,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 19:57:51,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-11 19:57:51,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-11 19:57:51,462 INFO L87 Difference]: Start difference. First operand 96 states and 127 transitions. Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 11 states have internal predecessors, (26), 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) [2024-11-11 19:57:51,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 19:57:51,753 INFO L93 Difference]: Finished difference Result 114 states and 143 transitions. [2024-11-11 19:57:51,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 19:57:51,754 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 11 states have internal predecessors, (26), 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 41 [2024-11-11 19:57:51,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 19:57:51,756 INFO L225 Difference]: With dead ends: 114 [2024-11-11 19:57:51,756 INFO L226 Difference]: Without dead ends: 112 [2024-11-11 19:57:51,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-11-11 19:57:51,757 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 14 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 19:57:51,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 164 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 19:57:51,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-11 19:57:51,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-11 19:57:51,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 59 states have (on average 1.11864406779661) internal successors, (66), 62 states have internal predecessors, (66), 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) [2024-11-11 19:57:51,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 139 transitions. [2024-11-11 19:57:51,794 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 139 transitions. Word has length 41 [2024-11-11 19:57:51,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 19:57:51,797 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 139 transitions. [2024-11-11 19:57:51,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 11 states have internal predecessors, (26), 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) [2024-11-11 19:57:51,797 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 139 transitions. [2024-11-11 19:57:51,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-11 19:57:51,798 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:57:51,798 INFO L218 NwaCegarLoop]: trace histogram [8, 7, 7, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 19:57:51,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-11 19:57:51,999 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 [2024-11-11 19:57:51,999 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:57:51,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:57:52,000 INFO L85 PathProgramCache]: Analyzing trace with hash -399462631, now seen corresponding path program 2 times [2024-11-11 19:57:52,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 19:57:52,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402744402] [2024-11-11 19:57:52,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:52,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 19:57:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-11 19:57:52,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [647239909] [2024-11-11 19:57:52,024 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-11 19:57:52,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 19:57:52,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 19:57:52,028 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) [2024-11-11 19:57:52,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-11 19:57:52,077 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-11 19:57:52,078 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-11 19:57:52,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-11 19:57:52,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 19:57:52,257 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-11 19:57:52,257 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 19:57:52,472 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-11 19:57:52,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 19:57:52,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402744402] [2024-11-11 19:57:52,472 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-11 19:57:52,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647239909] [2024-11-11 19:57:52,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647239909] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 19:57:52,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-11 19:57:52,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2024-11-11 19:57:52,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696586651] [2024-11-11 19:57:52,473 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-11 19:57:52,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-11 19:57:52,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 19:57:52,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-11 19:57:52,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-11 19:57:52,475 INFO L87 Difference]: Start difference. First operand 112 states and 139 transitions. Second operand has 14 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 11 states have internal predecessors, (26), 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) [2024-11-11 19:57:52,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 19:57:52,768 INFO L93 Difference]: Finished difference Result 127 states and 154 transitions. [2024-11-11 19:57:52,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-11 19:57:52,768 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 11 states have internal predecessors, (26), 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 46 [2024-11-11 19:57:52,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 19:57:52,771 INFO L225 Difference]: With dead ends: 127 [2024-11-11 19:57:52,771 INFO L226 Difference]: Without dead ends: 122 [2024-11-11 19:57:52,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-11-11 19:57:52,773 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 14 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 19:57:52,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 110 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 19:57:52,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-11 19:57:52,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-11 19:57:52,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 68 states have (on average 1.1029411764705883) internal successors, (75), 71 states have internal predecessors, (75), 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) [2024-11-11 19:57:52,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 142 transitions. [2024-11-11 19:57:52,806 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 142 transitions. Word has length 46 [2024-11-11 19:57:52,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 19:57:52,806 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 142 transitions. [2024-11-11 19:57:52,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 11 states have internal predecessors, (26), 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) [2024-11-11 19:57:52,806 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 142 transitions. [2024-11-11 19:57:52,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-11 19:57:52,808 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:57:52,808 INFO L218 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, 1] [2024-11-11 19:57:52,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-11 19:57:53,008 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 [2024-11-11 19:57:53,009 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:57:53,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:57:53,010 INFO L85 PathProgramCache]: Analyzing trace with hash 616227619, now seen corresponding path program 1 times [2024-11-11 19:57:53,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 19:57:53,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329926364] [2024-11-11 19:57:53,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:53,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 19:57:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-11 19:57:53,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1712300535] [2024-11-11 19:57:53,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:53,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 19:57:53,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 19:57:53,040 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) [2024-11-11 19:57:53,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-11 19:57:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:53,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-11 19:57:53,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 19:57:53,322 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-11 19:57:53,322 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 19:57:53,800 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-11 19:57:53,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 19:57:53,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329926364] [2024-11-11 19:57:53,800 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-11 19:57:53,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712300535] [2024-11-11 19:57:53,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712300535] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 19:57:53,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-11 19:57:53,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2024-11-11 19:57:53,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715462693] [2024-11-11 19:57:53,801 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-11 19:57:53,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-11 19:57:53,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 19:57:53,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-11 19:57:53,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-11 19:57:53,802 INFO L87 Difference]: Start difference. First operand 121 states and 142 transitions. Second operand has 14 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 12 states have internal predecessors, (28), 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) [2024-11-11 19:57:54,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 19:57:54,327 INFO L93 Difference]: Finished difference Result 137 states and 159 transitions. [2024-11-11 19:57:54,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 19:57:54,327 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 12 states have internal predecessors, (28), 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 67 [2024-11-11 19:57:54,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 19:57:54,329 INFO L225 Difference]: With dead ends: 137 [2024-11-11 19:57:54,329 INFO L226 Difference]: Without dead ends: 133 [2024-11-11 19:57:54,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-11-11 19:57:54,330 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 8 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-11 19:57:54,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 172 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-11 19:57:54,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-11 19:57:54,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-11-11 19:57:54,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 76 states have (on average 1.0789473684210527) internal successors, (82), 79 states have internal predecessors, (82), 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) [2024-11-11 19:57:54,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 153 transitions. [2024-11-11 19:57:54,370 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 153 transitions. Word has length 67 [2024-11-11 19:57:54,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 19:57:54,370 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 153 transitions. [2024-11-11 19:57:54,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 12 states have internal predecessors, (28), 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) [2024-11-11 19:57:54,371 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2024-11-11 19:57:54,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-11 19:57:54,372 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:57:54,372 INFO L218 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, 1] [2024-11-11 19:57:54,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-11 19:57:54,572 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 [2024-11-11 19:57:54,573 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:57:54,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:57:54,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1808123650, now seen corresponding path program 1 times [2024-11-11 19:57:54,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 19:57:54,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347932773] [2024-11-11 19:57:54,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:54,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 19:57:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-11 19:57:54,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1999891838] [2024-11-11 19:57:54,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:54,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 19:57:54,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 19:57:54,619 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) [2024-11-11 19:57:54,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-11 19:57:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:54,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-11 19:57:54,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 19:57:54,858 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 23 proven. 42 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-11 19:57:54,859 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 19:57:55,216 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 23 proven. 42 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-11 19:57:55,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 19:57:55,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347932773] [2024-11-11 19:57:55,216 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-11 19:57:55,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999891838] [2024-11-11 19:57:55,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999891838] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 19:57:55,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-11 19:57:55,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-11-11 19:57:55,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701697842] [2024-11-11 19:57:55,217 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-11 19:57:55,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-11 19:57:55,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 19:57:55,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-11 19:57:55,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-11 19:57:55,219 INFO L87 Difference]: Start difference. First operand 133 states and 153 transitions. Second operand has 15 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 13 states have internal predecessors, (28), 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) [2024-11-11 19:57:55,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 19:57:55,939 INFO L93 Difference]: Finished difference Result 144 states and 164 transitions. [2024-11-11 19:57:55,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 19:57:55,940 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 13 states have internal predecessors, (28), 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 72 [2024-11-11 19:57:55,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 19:57:55,941 INFO L225 Difference]: With dead ends: 144 [2024-11-11 19:57:55,942 INFO L226 Difference]: Without dead ends: 133 [2024-11-11 19:57:55,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2024-11-11 19:57:55,943 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 11 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 19:57:55,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 177 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 19:57:55,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-11 19:57:55,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-11-11 19:57:55,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 77 states have (on average 1.0649350649350648) internal successors, (82), 80 states have internal predecessors, (82), 35 states have call successors, (35), 20 states have call predecessors, (35), 20 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-11 19:57:55,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 150 transitions. [2024-11-11 19:57:56,000 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 150 transitions. Word has length 72 [2024-11-11 19:57:56,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 19:57:56,000 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 150 transitions. [2024-11-11 19:57:56,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 13 states have internal predecessors, (28), 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) [2024-11-11 19:57:56,000 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 150 transitions. [2024-11-11 19:57:56,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-11 19:57:56,001 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:57:56,001 INFO L218 NwaCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-11 19:57:56,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-11 19:57:56,205 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 [2024-11-11 19:57:56,206 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:57:56,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:57:56,206 INFO L85 PathProgramCache]: Analyzing trace with hash 514910066, now seen corresponding path program 3 times [2024-11-11 19:57:56,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 19:57:56,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202388660] [2024-11-11 19:57:56,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:56,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 19:57:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-11 19:57:56,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [607067232] [2024-11-11 19:57:56,240 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-11 19:57:56,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 19:57:56,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 19:57:56,242 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) [2024-11-11 19:57:56,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-11 19:57:56,327 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-11 19:57:56,327 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-11 19:57:56,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-11 19:57:56,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 19:57:56,539 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 55 proven. 27 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-11 19:57:56,539 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 19:57:57,347 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 55 proven. 27 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-11 19:57:57,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 19:57:57,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202388660] [2024-11-11 19:57:57,348 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-11 19:57:57,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607067232] [2024-11-11 19:57:57,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607067232] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 19:57:57,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-11 19:57:57,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2024-11-11 19:57:57,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674368069] [2024-11-11 19:57:57,349 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-11 19:57:57,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-11 19:57:57,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 19:57:57,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-11 19:57:57,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-11 19:57:57,350 INFO L87 Difference]: Start difference. First operand 133 states and 150 transitions. Second operand has 16 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 13 states have internal predecessors, (32), 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) [2024-11-11 19:57:58,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 19:57:58,313 INFO L93 Difference]: Finished difference Result 140 states and 157 transitions. [2024-11-11 19:57:58,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-11 19:57:58,313 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 13 states have internal predecessors, (32), 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 79 [2024-11-11 19:57:58,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 19:57:58,315 INFO L225 Difference]: With dead ends: 140 [2024-11-11 19:57:58,315 INFO L226 Difference]: Without dead ends: 122 [2024-11-11 19:57:58,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2024-11-11 19:57:58,316 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 16 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-11 19:57:58,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 217 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-11 19:57:58,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-11 19:57:58,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-11 19:57:58,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 74 states have (on average 1.0405405405405406) internal successors, (77), 76 states have internal predecessors, (77), 27 states have call successors, (27), 19 states have call predecessors, (27), 19 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-11 19:57:58,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 130 transitions. [2024-11-11 19:57:58,346 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 130 transitions. Word has length 79 [2024-11-11 19:57:58,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 19:57:58,347 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 130 transitions. [2024-11-11 19:57:58,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 13 states have internal predecessors, (32), 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) [2024-11-11 19:57:58,347 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 130 transitions. [2024-11-11 19:57:58,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-11 19:57:58,348 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:57:58,349 INFO L218 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, 1] [2024-11-11 19:57:58,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-11 19:57:58,549 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 [2024-11-11 19:57:58,549 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:57:58,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:57:58,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1602424598, now seen corresponding path program 2 times [2024-11-11 19:57:58,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 19:57:58,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201362161] [2024-11-11 19:57:58,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:57:58,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 19:57:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 19:57:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-11 19:57:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-11 19:57:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 19:57:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 19:57:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 19:57:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-11 19:57:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-11 19:57:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-11 19:57:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-11 19:57:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-11 19:57:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-11 19:57:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-11 19:57:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-11 19:57:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-11 19:57:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-11 19:57:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-11 19:57:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 19:57:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 19:57:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-11 19:57:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-11 19:57:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:57:58,909 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-11 19:57:58,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 19:57:58,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201362161] [2024-11-11 19:57:58,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201362161] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 19:57:58,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48058167] [2024-11-11 19:57:58,910 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-11 19:57:58,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 19:57:58,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 19:57:58,912 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) [2024-11-11 19:57:58,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-11 19:57:58,989 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-11 19:57:58,989 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-11 19:57:58,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-11 19:57:58,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 19:57:59,142 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 120 proven. 656 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-11 19:57:59,142 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 19:57:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-11 19:57:59,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48058167] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 19:57:59,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 19:57:59,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2024-11-11 19:57:59,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386206366] [2024-11-11 19:57:59,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 19:57:59,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-11 19:57:59,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 19:57:59,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-11 19:57:59,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-11 19:57:59,285 INFO L87 Difference]: Start difference. First operand 121 states and 130 transitions. Second operand has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 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) [2024-11-11 19:57:59,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 19:57:59,746 INFO L93 Difference]: Finished difference Result 387 states and 415 transitions. [2024-11-11 19:57:59,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-11 19:57:59,747 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 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 125 [2024-11-11 19:57:59,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 19:57:59,749 INFO L225 Difference]: With dead ends: 387 [2024-11-11 19:57:59,749 INFO L226 Difference]: Without dead ends: 361 [2024-11-11 19:57:59,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=184, Invalid=322, Unknown=0, NotChecked=0, Total=506 [2024-11-11 19:57:59,750 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 122 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-11 19:57:59,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 133 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-11 19:57:59,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-11 19:57:59,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 284. [2024-11-11 19:57:59,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 172 states have (on average 1.052325581395349) internal successors, (181), 179 states have internal predecessors, (181), 66 states have call successors, (66), 46 states have call predecessors, (66), 45 states have return successors, (64), 58 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-11 19:57:59,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 311 transitions. [2024-11-11 19:57:59,829 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 311 transitions. Word has length 125 [2024-11-11 19:57:59,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 19:57:59,829 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 311 transitions. [2024-11-11 19:57:59,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 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) [2024-11-11 19:57:59,830 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 311 transitions. [2024-11-11 19:57:59,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-11 19:57:59,831 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:57:59,831 INFO L218 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, 1] [2024-11-11 19:57:59,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-11 19:58:00,035 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 [2024-11-11 19:58:00,036 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:58:00,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:58:00,036 INFO L85 PathProgramCache]: Analyzing trace with hash 36255119, now seen corresponding path program 1 times [2024-11-11 19:58:00,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 19:58:00,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974384795] [2024-11-11 19:58:00,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:58:00,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 19:58:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-11 19:58:00,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1961977635] [2024-11-11 19:58:00,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:58:00,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 19:58:00,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 19:58:00,079 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) [2024-11-11 19:58:00,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-11 19:58:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:00,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-11 19:58:00,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 19:58:00,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 104 proven. 116 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2024-11-11 19:58:00,471 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 19:58:00,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 19:58:00,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974384795] [2024-11-11 19:58:00,632 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-11 19:58:00,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961977635] [2024-11-11 19:58:00,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961977635] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 19:58:00,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-11 19:58:00,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-11 19:58:00,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672888531] [2024-11-11 19:58:00,633 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-11 19:58:00,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-11 19:58:00,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 19:58:00,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-11 19:58:00,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-11 19:58:00,634 INFO L87 Difference]: Start difference. First operand 284 states and 311 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 4 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-11 19:58:00,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 19:58:00,955 INFO L93 Difference]: Finished difference Result 295 states and 322 transitions. [2024-11-11 19:58:00,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-11 19:58:00,955 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 4 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 133 [2024-11-11 19:58:00,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 19:58:00,957 INFO L225 Difference]: With dead ends: 295 [2024-11-11 19:58:00,957 INFO L226 Difference]: Without dead ends: 287 [2024-11-11 19:58:00,958 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-11 19:58:00,958 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 4 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-11 19:58:00,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 241 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-11 19:58:00,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-11 19:58:01,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2024-11-11 19:58:01,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 175 states have (on average 1.0457142857142858) internal successors, (183), 181 states have internal predecessors, (183), 65 states have call successors, (65), 47 states have call predecessors, (65), 46 states have return successors, (63), 58 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-11 19:58:01,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 311 transitions. [2024-11-11 19:58:01,056 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 311 transitions. Word has length 133 [2024-11-11 19:58:01,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 19:58:01,057 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 311 transitions. [2024-11-11 19:58:01,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 4 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-11 19:58:01,057 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 311 transitions. [2024-11-11 19:58:01,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-11 19:58:01,059 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:58:01,059 INFO L218 NwaCegarLoop]: trace histogram [29, 28, 28, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 19:58:01,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-11 19:58:01,260 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 [2024-11-11 19:58:01,260 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:58:01,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:58:01,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1802004917, now seen corresponding path program 2 times [2024-11-11 19:58:01,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 19:58:01,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578890119] [2024-11-11 19:58:01,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:58:01,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 19:58:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-11 19:58:01,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [742949543] [2024-11-11 19:58:01,321 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-11 19:58:01,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 19:58:01,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 19:58:01,323 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) [2024-11-11 19:58:01,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-11 19:58:01,418 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-11 19:58:01,418 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-11 19:58:01,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-11 19:58:01,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 19:58:01,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 115 proven. 102 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2024-11-11 19:58:01,806 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 19:58:16,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 115 proven. 102 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2024-11-11 19:58:16,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 19:58:16,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578890119] [2024-11-11 19:58:16,083 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-11 19:58:16,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742949543] [2024-11-11 19:58:16,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742949543] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 19:58:16,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-11 19:58:16,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 20 [2024-11-11 19:58:16,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548095375] [2024-11-11 19:58:16,083 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-11 19:58:16,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-11 19:58:16,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 19:58:16,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-11 19:58:16,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=299, Unknown=1, NotChecked=0, Total=380 [2024-11-11 19:58:16,085 INFO L87 Difference]: Start difference. First operand 287 states and 311 transitions. Second operand has 20 states, 20 states have (on average 2.3) internal successors, (46), 19 states have internal predecessors, (46), 12 states have call successors, (58), 3 states have call predecessors, (58), 2 states have return successors, (56), 10 states have call predecessors, (56), 12 states have call successors, (56) [2024-11-11 19:58:26,464 WARN L286 SmtUtils]: Spent 9.93s on a formula simplification. DAG size of input: 92 DAG size of output: 62 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-11 19:58:30,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-11 19:58:42,049 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification. DAG size of input: 77 DAG size of output: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-11 19:58:48,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-11 19:58:49,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 19:58:49,064 INFO L93 Difference]: Finished difference Result 296 states and 321 transitions. [2024-11-11 19:58:49,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 19:58:49,064 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.3) internal successors, (46), 19 states have internal predecessors, (46), 12 states have call successors, (58), 3 states have call predecessors, (58), 2 states have return successors, (56), 10 states have call predecessors, (56), 12 states have call successors, (56) Word has length 161 [2024-11-11 19:58:49,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 19:58:49,066 INFO L225 Difference]: With dead ends: 296 [2024-11-11 19:58:49,066 INFO L226 Difference]: Without dead ends: 257 [2024-11-11 19:58:49,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 302 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 31.0s TimeCoverageRelationStatistics Valid=116, Invalid=389, Unknown=1, NotChecked=0, Total=506 [2024-11-11 19:58:49,067 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 15 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 46 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2024-11-11 19:58:49,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 427 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 472 Invalid, 2 Unknown, 0 Unchecked, 10.6s Time] [2024-11-11 19:58:49,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-11 19:58:49,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2024-11-11 19:58:49,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 161 states have (on average 1.0124223602484472) internal successors, (163), 162 states have internal predecessors, (163), 53 states have call successors, (53), 42 states have call predecessors, (53), 42 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-11 19:58:49,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 268 transitions. [2024-11-11 19:58:49,138 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 268 transitions. Word has length 161 [2024-11-11 19:58:49,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 19:58:49,138 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 268 transitions. [2024-11-11 19:58:49,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.3) internal successors, (46), 19 states have internal predecessors, (46), 12 states have call successors, (58), 3 states have call predecessors, (58), 2 states have return successors, (56), 10 states have call predecessors, (56), 12 states have call successors, (56) [2024-11-11 19:58:49,139 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 268 transitions. [2024-11-11 19:58:49,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-11 19:58:49,142 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:58:49,142 INFO L218 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, 1] [2024-11-11 19:58:49,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-11 19:58:49,346 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 [2024-11-11 19:58:49,347 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:58:49,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:58:49,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1951591730, now seen corresponding path program 3 times [2024-11-11 19:58:49,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 19:58:49,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934507426] [2024-11-11 19:58:49,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:58:49,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 19:58:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:49,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 19:58:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:49,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-11 19:58:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:49,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-11 19:58:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:49,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 19:58:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:49,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 19:58:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:49,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 19:58:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:49,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-11 19:58:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:49,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-11 19:58:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:49,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-11 19:58:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:49,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-11 19:58:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:49,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-11 19:58:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:49,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-11 19:58:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:49,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-11 19:58:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:49,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-11 19:58:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-11 19:58:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-11 19:58:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-11 19:58:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 19:58:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 19:58:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-11 19:58:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-11 19:58:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-11 19:58:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-11 19:58:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-11 19:58:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 19:58:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-11 19:58:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-11 19:58:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-11 19:58:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-11 19:58:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-11 19:58:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-11 19:58:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-11 19:58:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-11 19:58:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-11 19:58:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-11 19:58:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-11 19:58:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-11 19:58:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-11 19:58:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-11 19:58:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-11 19:58:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-11 19:58:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-11 19:58:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-11 19:58:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-11 19:58:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-11 19:58:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-11 19:58:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-11 19:58:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-11 19:58:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-11 19:58:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-11 19:58:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-11 19:58:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 5582 backedges. 102 proven. 380 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-11 19:58:50,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 19:58:50,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934507426] [2024-11-11 19:58:50,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934507426] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 19:58:50,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834230970] [2024-11-11 19:58:50,142 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-11 19:58:50,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 19:58:50,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 19:58:50,144 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) [2024-11-11 19:58:50,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-11 19:58:50,367 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 31 check-sat command(s) [2024-11-11 19:58:50,367 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-11 19:58:50,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-11 19:58:50,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 19:58:50,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5582 backedges. 300 proven. 4880 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-11 19:58:50,685 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 19:58:51,104 INFO L134 CoverageAnalysis]: Checked inductivity of 5582 backedges. 102 proven. 380 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-11-11 19:58:51,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834230970] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 19:58:51,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 19:58:51,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 14] total 26 [2024-11-11 19:58:51,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054447869] [2024-11-11 19:58:51,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 19:58:51,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-11 19:58:51,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 19:58:51,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-11 19:58:51,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=369, Unknown=0, NotChecked=0, Total=650 [2024-11-11 19:58:51,108 INFO L87 Difference]: Start difference. First operand 257 states and 268 transitions. Second operand has 26 states, 26 states have (on average 4.076923076923077) internal successors, (106), 26 states have internal predecessors, (106), 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) [2024-11-11 19:58:52,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 19:58:52,001 INFO L93 Difference]: Finished difference Result 558 states and 593 transitions. [2024-11-11 19:58:52,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-11 19:58:52,002 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.076923076923077) internal successors, (106), 26 states have internal predecessors, (106), 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 293 [2024-11-11 19:58:52,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 19:58:52,004 INFO L225 Difference]: With dead ends: 558 [2024-11-11 19:58:52,004 INFO L226 Difference]: Without dead ends: 545 [2024-11-11 19:58:52,009 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 675 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=796, Invalid=1366, Unknown=0, NotChecked=0, Total=2162 [2024-11-11 19:58:52,010 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 122 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-11 19:58:52,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 184 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-11 19:58:52,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2024-11-11 19:58:52,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 545. [2024-11-11 19:58:52,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 341 states have (on average 1.0058651026392962) internal successors, (343), 342 states have internal predecessors, (343), 113 states have call successors, (113), 90 states have call predecessors, (113), 90 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-11 19:58:52,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 568 transitions. [2024-11-11 19:58:52,186 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 568 transitions. Word has length 293 [2024-11-11 19:58:52,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 19:58:52,186 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 568 transitions. [2024-11-11 19:58:52,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.076923076923077) internal successors, (106), 26 states have internal predecessors, (106), 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) [2024-11-11 19:58:52,187 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 568 transitions. [2024-11-11 19:58:52,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2024-11-11 19:58:52,200 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:58:52,200 INFO L218 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, 1] [2024-11-11 19:58:52,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-11 19:58:52,404 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 [2024-11-11 19:58:52,405 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:58:52,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:58:52,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1604221590, now seen corresponding path program 4 times [2024-11-11 19:58:52,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 19:58:52,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128878649] [2024-11-11 19:58:52,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:58:52,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 19:58:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 19:58:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-11 19:58:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-11 19:58:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 19:58:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 19:58:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 19:58:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-11 19:58:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-11 19:58:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-11 19:58:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-11 19:58:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-11 19:58:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-11 19:58:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-11 19:58:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-11 19:58:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-11 19:58:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-11 19:58:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-11 19:58:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 19:58:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 19:58:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-11 19:58:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-11 19:58:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-11 19:58:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-11 19:58:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-11 19:58:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 19:58:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-11 19:58:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-11 19:58:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-11 19:58:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-11 19:58:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-11 19:58:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-11 19:58:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-11 19:58:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-11 19:58:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-11 19:58:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-11 19:58:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-11 19:58:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-11 19:58:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-11 19:58:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-11 19:58:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-11 19:58:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-11 19:58:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-11 19:58:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-11 19:58:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-11 19:58:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-11 19:58:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-11 19:58:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-11 19:58:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-11 19:58:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-11 19:58:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-11 19:58:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-11 19:58:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-11 19:58:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-11 19:58:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-11 19:58:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-11-11 19:58:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-11 19:58:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-11 19:58:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-11 19:58:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-11 19:58:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-11 19:58:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-11 19:58:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-11 19:58:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-11-11 19:58:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-11 19:58:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-11-11 19:58:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-11 19:58:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-11 19:58:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2024-11-11 19:58:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-11-11 19:58:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2024-11-11 19:58:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2024-11-11 19:58:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-11-11 19:58:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-11-11 19:58:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2024-11-11 19:58:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2024-11-11 19:58:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-11 19:58:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2024-11-11 19:58:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-11 19:58:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2024-11-11 19:58:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2024-11-11 19:58:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2024-11-11 19:58:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-11-11 19:58:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2024-11-11 19:58:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2024-11-11 19:58:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2024-11-11 19:58:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2024-11-11 19:58:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2024-11-11 19:58:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2024-11-11 19:58:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2024-11-11 19:58:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2024-11-11 19:58:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2024-11-11 19:58:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2024-11-11 19:58:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2024-11-11 19:58:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2024-11-11 19:58:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2024-11-11 19:58:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2024-11-11 19:58:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2024-11-11 19:58:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2024-11-11 19:58:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-11-11 19:58:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2024-11-11 19:58:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2024-11-11 19:58:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2024-11-11 19:58:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2024-11-11 19:58:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2024-11-11 19:58:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2024-11-11 19:58:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2024-11-11 19:58:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2024-11-11 19:58:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2024-11-11 19:58:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2024-11-11 19:58:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2024-11-11 19:58:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2024-11-11 19:58:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:58:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 26534 backedges. 222 proven. 1892 refuted. 0 times theorem prover too weak. 24420 trivial. 0 not checked. [2024-11-11 19:58:54,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 19:58:54,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128878649] [2024-11-11 19:58:54,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128878649] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 19:58:54,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011336412] [2024-11-11 19:58:54,777 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-11 19:58:54,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 19:58:54,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 19:58:54,779 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) [2024-11-11 19:58:54,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-11 19:58:55,187 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-11 19:58:55,188 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-11 19:58:55,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 1354 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-11 19:58:55,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 19:58:55,872 INFO L134 CoverageAnalysis]: Checked inductivity of 26534 backedges. 660 proven. 24992 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-11 19:58:55,872 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 19:58:57,002 INFO L134 CoverageAnalysis]: Checked inductivity of 26534 backedges. 222 proven. 1892 refuted. 0 times theorem prover too weak. 24420 trivial. 0 not checked. [2024-11-11 19:58:57,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011336412] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 19:58:57,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 19:58:57,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 26] total 50 [2024-11-11 19:58:57,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718422457] [2024-11-11 19:58:57,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 19:58:57,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-11 19:58:57,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 19:58:57,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-11 19:58:57,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1133, Invalid=1317, Unknown=0, NotChecked=0, Total=2450 [2024-11-11 19:58:57,008 INFO L87 Difference]: Start difference. First operand 545 states and 568 transitions. Second operand has 50 states, 50 states have (on average 4.28) internal successors, (214), 50 states have internal predecessors, (214), 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) [2024-11-11 19:58:59,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 19:58:59,349 INFO L93 Difference]: Finished difference Result 1134 states and 1205 transitions. [2024-11-11 19:58:59,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-11 19:58:59,350 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 4.28) internal successors, (214), 50 states have internal predecessors, (214), 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 629 [2024-11-11 19:58:59,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 19:58:59,356 INFO L225 Difference]: With dead ends: 1134 [2024-11-11 19:58:59,357 INFO L226 Difference]: Without dead ends: 1121 [2024-11-11 19:58:59,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1548 GetRequests, 1455 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1288 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=3316, Invalid=5614, Unknown=0, NotChecked=0, Total=8930 [2024-11-11 19:58:59,359 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 305 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-11 19:58:59,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 302 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-11 19:58:59,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2024-11-11 19:58:59,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1121. [2024-11-11 19:58:59,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 701 states have (on average 1.0028530670470757) internal successors, (703), 702 states have internal predecessors, (703), 233 states have call successors, (233), 186 states have call predecessors, (233), 186 states have return successors, (232), 232 states have call predecessors, (232), 232 states have call successors, (232) [2024-11-11 19:58:59,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1168 transitions. [2024-11-11 19:58:59,760 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1168 transitions. Word has length 629 [2024-11-11 19:58:59,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 19:58:59,761 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1168 transitions. [2024-11-11 19:58:59,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.28) internal successors, (214), 50 states have internal predecessors, (214), 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) [2024-11-11 19:58:59,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1168 transitions. [2024-11-11 19:58:59,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1302 [2024-11-11 19:58:59,810 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:58:59,811 INFO L218 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, 1] [2024-11-11 19:58:59,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-11 19:59:00,014 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 [2024-11-11 19:59:00,015 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:59:00,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:59:00,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1590306266, now seen corresponding path program 5 times [2024-11-11 19:59:00,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 19:59:00,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882442198] [2024-11-11 19:59:00,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:59:00,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 19:59:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-11 19:59:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-11 19:59:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-11 19:59:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 19:59:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 19:59:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 19:59:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-11 19:59:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-11 19:59:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-11 19:59:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-11 19:59:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-11 19:59:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-11 19:59:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-11 19:59:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-11 19:59:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-11 19:59:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-11 19:59:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-11 19:59:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 19:59:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 19:59:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-11 19:59:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-11 19:59:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-11 19:59:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-11 19:59:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-11 19:59:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-11 19:59:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-11 19:59:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-11 19:59:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-11 19:59:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-11 19:59:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-11 19:59:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-11 19:59:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-11 19:59:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-11 19:59:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-11 19:59:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-11 19:59:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-11 19:59:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-11 19:59:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-11 19:59:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-11 19:59:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-11 19:59:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-11 19:59:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-11 19:59:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-11 19:59:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-11-11 19:59:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-11 19:59:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-11 19:59:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-11 19:59:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-11 19:59:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-11 19:59:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-11 19:59:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-11 19:59:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-11 19:59:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-11 19:59:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-11 19:59:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-11-11 19:59:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-11 19:59:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-11 19:59:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-11 19:59:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-11 19:59:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-11-11 19:59:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-11 19:59:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-11 19:59:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-11-11 19:59:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-11-11 19:59:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-11-11 19:59:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-11 19:59:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-11-11 19:59:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2024-11-11 19:59:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2024-11-11 19:59:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2024-11-11 19:59:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2024-11-11 19:59:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-11-11 19:59:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-11-11 19:59:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2024-11-11 19:59:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2024-11-11 19:59:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2024-11-11 19:59:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2024-11-11 19:59:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-11 19:59:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2024-11-11 19:59:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2024-11-11 19:59:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2024-11-11 19:59:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-11-11 19:59:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2024-11-11 19:59:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2024-11-11 19:59:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2024-11-11 19:59:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2024-11-11 19:59:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2024-11-11 19:59:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2024-11-11 19:59:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2024-11-11 19:59:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2024-11-11 19:59:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2024-11-11 19:59:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2024-11-11 19:59:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2024-11-11 19:59:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2024-11-11 19:59:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2024-11-11 19:59:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2024-11-11 19:59:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2024-11-11 19:59:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2024-11-11 19:59:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-11-11 19:59:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2024-11-11 19:59:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2024-11-11 19:59:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2024-11-11 19:59:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2024-11-11 19:59:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2024-11-11 19:59:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2024-11-11 19:59:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2024-11-11 19:59:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2024-11-11 19:59:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2024-11-11 19:59:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2024-11-11 19:59:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2024-11-11 19:59:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2024-11-11 19:59:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2024-11-11 19:59:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2024-11-11 19:59:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2024-11-11 19:59:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2024-11-11 19:59:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2024-11-11 19:59:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2024-11-11 19:59:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 658 [2024-11-11 19:59:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2024-11-11 19:59:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2024-11-11 19:59:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2024-11-11 19:59:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2024-11-11 19:59:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2024-11-11 19:59:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2024-11-11 19:59:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 696 [2024-11-11 19:59:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2024-11-11 19:59:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2024-11-11 19:59:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 714 [2024-11-11 19:59:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2024-11-11 19:59:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2024-11-11 19:59:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 732 [2024-11-11 19:59:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2024-11-11 19:59:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 742 [2024-11-11 19:59:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 747 [2024-11-11 19:59:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 752 [2024-11-11 19:59:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 760 [2024-11-11 19:59:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 765 [2024-11-11 19:59:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 770 [2024-11-11 19:59:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 775 [2024-11-11 19:59:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 780 [2024-11-11 19:59:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 788 [2024-11-11 19:59:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 793 [2024-11-11 19:59:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 798 [2024-11-11 19:59:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 803 [2024-11-11 19:59:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2024-11-11 19:59:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 816 [2024-11-11 19:59:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2024-11-11 19:59:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2024-11-11 19:59:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 831 [2024-11-11 19:59:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2024-11-11 19:59:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2024-11-11 19:59:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 849 [2024-11-11 19:59:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2024-11-11 19:59:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 859 [2024-11-11 19:59:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 864 [2024-11-11 19:59:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 872 [2024-11-11 19:59:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 877 [2024-11-11 19:59:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 882 [2024-11-11 19:59:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2024-11-11 19:59:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 892 [2024-11-11 19:59:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 900 [2024-11-11 19:59:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2024-11-11 19:59:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 910 [2024-11-11 19:59:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 915 [2024-11-11 19:59:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 920 [2024-11-11 19:59:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2024-11-11 19:59:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 933 [2024-11-11 19:59:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2024-11-11 19:59:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2024-11-11 19:59:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 948 [2024-11-11 19:59:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 956 [2024-11-11 19:59:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2024-11-11 19:59:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 966 [2024-11-11 19:59:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 971 [2024-11-11 19:59:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 976 [2024-11-11 19:59:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 984 [2024-11-11 19:59:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2024-11-11 19:59:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 994 [2024-11-11 19:59:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 999 [2024-11-11 19:59:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2024-11-11 19:59:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1012 [2024-11-11 19:59:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1017 [2024-11-11 19:59:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1022 [2024-11-11 19:59:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1027 [2024-11-11 19:59:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1032 [2024-11-11 19:59:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1040 [2024-11-11 19:59:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1045 [2024-11-11 19:59:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1050 [2024-11-11 19:59:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1055 [2024-11-11 19:59:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1060 [2024-11-11 19:59:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1068 [2024-11-11 19:59:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1073 [2024-11-11 19:59:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1078 [2024-11-11 19:59:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1083 [2024-11-11 19:59:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1088 [2024-11-11 19:59:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1096 [2024-11-11 19:59:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1101 [2024-11-11 19:59:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1106 [2024-11-11 19:59:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1111 [2024-11-11 19:59:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1116 [2024-11-11 19:59:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2024-11-11 19:59:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1129 [2024-11-11 19:59:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1134 [2024-11-11 19:59:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2024-11-11 19:59:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1144 [2024-11-11 19:59:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2024-11-11 19:59:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1157 [2024-11-11 19:59:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1162 [2024-11-11 19:59:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2024-11-11 19:59:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1172 [2024-11-11 19:59:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1180 [2024-11-11 19:59:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1185 [2024-11-11 19:59:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1190 [2024-11-11 19:59:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2024-11-11 19:59:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2024-11-11 19:59:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1208 [2024-11-11 19:59:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1213 [2024-11-11 19:59:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1218 [2024-11-11 19:59:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1223 [2024-11-11 19:59:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1228 [2024-11-11 19:59:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1236 [2024-11-11 19:59:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1241 [2024-11-11 19:59:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1246 [2024-11-11 19:59:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1251 [2024-11-11 19:59:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1256 [2024-11-11 19:59:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1264 [2024-11-11 19:59:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1269 [2024-11-11 19:59:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1274 [2024-11-11 19:59:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1279 [2024-11-11 19:59:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1284 [2024-11-11 19:59:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2024-11-11 19:59:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 19:59:06,487 INFO L134 CoverageAnalysis]: Checked inductivity of 115094 backedges. 462 proven. 8372 refuted. 0 times theorem prover too weak. 106260 trivial. 0 not checked. [2024-11-11 19:59:06,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 19:59:06,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882442198] [2024-11-11 19:59:06,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882442198] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 19:59:06,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159013908] [2024-11-11 19:59:06,488 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-11 19:59:06,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 19:59:06,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 19:59:06,490 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) [2024-11-11 19:59:06,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process