./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_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-dev-4a390ef-m [2024-10-24 00:04:17,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 00:04:17,330 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 00:04:17,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 00:04:17,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 00:04:17,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 00:04:17,356 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 00:04:17,357 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 00:04:17,357 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 00:04:17,358 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 00:04:17,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 00:04:17,358 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 00:04:17,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 00:04:17,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 00:04:17,359 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 00:04:17,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 00:04:17,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 00:04:17,364 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 00:04:17,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 00:04:17,365 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 00:04:17,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 00:04:17,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 00:04:17,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 00:04:17,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 00:04:17,366 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 00:04:17,367 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 00:04:17,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 00:04:17,367 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 00:04:17,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 00:04:17,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 00:04:17,368 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 00:04:17,368 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 00:04:17,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 00:04:17,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 00:04:17,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 00:04:17,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 00:04:17,372 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 00:04:17,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 00:04:17,373 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 00:04:17,373 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 00:04:17,373 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 00:04:17,374 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 00:04:17,374 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c55d57654781cf0634666e1c7d4e43dff0d9410f4306aded3e4e446e1f9e88d1 [2024-10-24 00:04:17,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 00:04:17,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 00:04:17,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 00:04:17,664 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 00:04:17,664 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 00:04:17,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c [2024-10-24 00:04:19,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 00:04:19,401 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 00:04:19,401 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c [2024-10-24 00:04:19,408 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8494ed0d3/66b383a2611e44af935c6fce7b189857/FLAGc515bd1fe [2024-10-24 00:04:19,423 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8494ed0d3/66b383a2611e44af935c6fce7b189857 [2024-10-24 00:04:19,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 00:04:19,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 00:04:19,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 00:04:19,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 00:04:19,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 00:04:19,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:04:19" (1/1) ... [2024-10-24 00:04:19,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fbc54bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:19, skipping insertion in model container [2024-10-24 00:04:19,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:04:19" (1/1) ... [2024-10-24 00:04:19,458 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 00:04:19,636 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c[588,601] [2024-10-24 00:04:19,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 00:04:19,671 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 00:04:19,681 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c[588,601] [2024-10-24 00:04:19,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 00:04:19,710 INFO L204 MainTranslator]: Completed translation [2024-10-24 00:04:19,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:19 WrapperNode [2024-10-24 00:04:19,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 00:04:19,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 00:04:19,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 00:04:19,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 00:04:19,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:19" (1/1) ... [2024-10-24 00:04:19,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:19" (1/1) ... [2024-10-24 00:04:19,743 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2024-10-24 00:04:19,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 00:04:19,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 00:04:19,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 00:04:19,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 00:04:19,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:19" (1/1) ... [2024-10-24 00:04:19,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:19" (1/1) ... [2024-10-24 00:04:19,762 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:19" (1/1) ... [2024-10-24 00:04:19,779 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 00:04:19,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:19" (1/1) ... [2024-10-24 00:04:19,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:19" (1/1) ... [2024-10-24 00:04:19,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:19" (1/1) ... [2024-10-24 00:04:19,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:19" (1/1) ... [2024-10-24 00:04:19,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:19" (1/1) ... [2024-10-24 00:04:19,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:19" (1/1) ... [2024-10-24 00:04:19,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 00:04:19,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 00:04:19,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 00:04:19,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 00:04:19,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:19" (1/1) ... [2024-10-24 00:04:19,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 00:04:19,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:04:19,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 00:04:19,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 00:04:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 00:04:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 00:04:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 00:04:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 00:04:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 00:04:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 00:04:19,953 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 00:04:19,958 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 00:04:20,173 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-10-24 00:04:20,173 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 00:04:20,211 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 00:04:20,212 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 00:04:20,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:04:20 BoogieIcfgContainer [2024-10-24 00:04:20,213 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 00:04:20,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 00:04:20,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 00:04:20,220 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 00:04:20,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:04:19" (1/3) ... [2024-10-24 00:04:20,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf6fcbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:04:20, skipping insertion in model container [2024-10-24 00:04:20,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:04:19" (2/3) ... [2024-10-24 00:04:20,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf6fcbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:04:20, skipping insertion in model container [2024-10-24 00:04:20,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:04:20" (3/3) ... [2024-10-24 00:04:20,224 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_unwindbound100.c [2024-10-24 00:04:20,244 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 00:04:20,244 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 00:04:20,310 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 00:04:20,323 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;@15bb12d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 00:04:20,324 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 00:04:20,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-24 00:04:20,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 00:04:20,338 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:04:20,339 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 00:04:20,340 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:04:20,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:04:20,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1379524608, now seen corresponding path program 1 times [2024-10-24 00:04:20,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:04:20,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621461632] [2024-10-24 00:04:20,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:20,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:04:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:20,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 00:04:20,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:04:20,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621461632] [2024-10-24 00:04:20,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621461632] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:04:20,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:04:20,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 00:04:20,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881892085] [2024-10-24 00:04:20,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:04:20,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 00:04:20,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:04:20,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 00:04:20,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 00:04:20,553 INFO L87 Difference]: Start difference. First operand has 23 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 00:04:20,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:04:20,583 INFO L93 Difference]: Finished difference Result 45 states and 82 transitions. [2024-10-24 00:04:20,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 00:04:20,589 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-24 00:04:20,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:04:20,594 INFO L225 Difference]: With dead ends: 45 [2024-10-24 00:04:20,595 INFO L226 Difference]: Without dead ends: 21 [2024-10-24 00:04:20,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 00:04:20,601 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:04:20,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 00:04:20,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-10-24 00:04:20,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-10-24 00:04:20,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 00:04:20,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 32 transitions. [2024-10-24 00:04:20,640 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 32 transitions. Word has length 6 [2024-10-24 00:04:20,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:04:20,641 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 32 transitions. [2024-10-24 00:04:20,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 00:04:20,641 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2024-10-24 00:04:20,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 00:04:20,642 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:04:20,643 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:04:20,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 00:04:20,643 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:04:20,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:04:20,644 INFO L85 PathProgramCache]: Analyzing trace with hash -345068235, now seen corresponding path program 1 times [2024-10-24 00:04:20,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:04:20,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878394703] [2024-10-24 00:04:20,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:20,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:04:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:20,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 00:04:20,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:04:20,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878394703] [2024-10-24 00:04:20,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878394703] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:04:20,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:04:20,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 00:04:20,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432271417] [2024-10-24 00:04:20,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:04:20,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 00:04:20,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:04:20,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 00:04:20,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 00:04:20,758 INFO L87 Difference]: Start difference. First operand 21 states and 32 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 00:04:20,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:04:20,778 INFO L93 Difference]: Finished difference Result 35 states and 51 transitions. [2024-10-24 00:04:20,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 00:04:20,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-24 00:04:20,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:04:20,784 INFO L225 Difference]: With dead ends: 35 [2024-10-24 00:04:20,784 INFO L226 Difference]: Without dead ends: 23 [2024-10-24 00:04:20,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 00:04:20,789 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:04:20,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 00:04:20,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-10-24 00:04:20,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-10-24 00:04:20,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 00:04:20,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 34 transitions. [2024-10-24 00:04:20,800 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 34 transitions. Word has length 7 [2024-10-24 00:04:20,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:04:20,801 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 34 transitions. [2024-10-24 00:04:20,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 00:04:20,801 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-10-24 00:04:20,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 00:04:20,802 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:04:20,802 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:04:20,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 00:04:20,803 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:04:20,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:04:20,804 INFO L85 PathProgramCache]: Analyzing trace with hash -343519103, now seen corresponding path program 1 times [2024-10-24 00:04:20,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:04:20,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659991815] [2024-10-24 00:04:20,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:20,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:04:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:21,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 00:04:21,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:04:21,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659991815] [2024-10-24 00:04:21,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659991815] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:04:21,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:04:21,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 00:04:21,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060606252] [2024-10-24 00:04:21,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:04:21,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 00:04:21,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:04:21,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 00:04:21,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 00:04:21,038 INFO L87 Difference]: Start difference. First operand 23 states and 34 transitions. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 00:04:21,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:04:21,176 INFO L93 Difference]: Finished difference Result 29 states and 39 transitions. [2024-10-24 00:04:21,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 00:04:21,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-24 00:04:21,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:04:21,178 INFO L225 Difference]: With dead ends: 29 [2024-10-24 00:04:21,178 INFO L226 Difference]: Without dead ends: 27 [2024-10-24 00:04:21,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 00:04:21,180 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 5 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:04:21,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 78 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 00:04:21,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-10-24 00:04:21,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-10-24 00:04:21,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 00:04:21,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2024-10-24 00:04:21,196 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 7 [2024-10-24 00:04:21,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:04:21,196 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2024-10-24 00:04:21,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 00:04:21,197 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-10-24 00:04:21,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-24 00:04:21,197 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:04:21,198 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:04:21,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 00:04:21,198 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:04:21,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:04:21,199 INFO L85 PathProgramCache]: Analyzing trace with hash -875596316, now seen corresponding path program 1 times [2024-10-24 00:04:21,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:04:21,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179094657] [2024-10-24 00:04:21,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:21,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:04:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 00:04:21,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1243593815] [2024-10-24 00:04:21,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:21,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:21,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:04:21,236 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:04:21,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 00:04:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:21,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 00:04:21,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:04:21,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 00:04:21,372 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:04:21,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:04:21,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179094657] [2024-10-24 00:04:21,374 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 00:04:21,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243593815] [2024-10-24 00:04:21,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243593815] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:04:21,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:04:21,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 00:04:21,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088785836] [2024-10-24 00:04:21,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:04:21,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 00:04:21,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:04:21,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 00:04:21,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 00:04:21,377 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 00:04:21,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:04:21,483 INFO L93 Difference]: Finished difference Result 45 states and 65 transitions. [2024-10-24 00:04:21,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 00:04:21,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-10-24 00:04:21,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:04:21,485 INFO L225 Difference]: With dead ends: 45 [2024-10-24 00:04:21,485 INFO L226 Difference]: Without dead ends: 43 [2024-10-24 00:04:21,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 00:04:21,487 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 4 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:04:21,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 125 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 00:04:21,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-10-24 00:04:21,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 33. [2024-10-24 00:04:21,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-24 00:04:21,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2024-10-24 00:04:21,503 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 12 [2024-10-24 00:04:21,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:04:21,503 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2024-10-24 00:04:21,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 00:04:21,507 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2024-10-24 00:04:21,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-24 00:04:21,507 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:04:21,508 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:04:21,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 00:04:21,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:21,709 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:04:21,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:04:21,709 INFO L85 PathProgramCache]: Analyzing trace with hash 2105691681, now seen corresponding path program 1 times [2024-10-24 00:04:21,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:04:21,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917167658] [2024-10-24 00:04:21,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:21,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:04:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 00:04:21,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1902493861] [2024-10-24 00:04:21,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:21,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:21,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:04:21,738 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:04:21,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 00:04:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:21,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 00:04:21,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:04:21,873 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 00:04:21,873 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:04:21,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:04:21,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917167658] [2024-10-24 00:04:21,874 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 00:04:21,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902493861] [2024-10-24 00:04:21,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902493861] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:04:21,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:04:21,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 00:04:21,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807379513] [2024-10-24 00:04:21,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:04:21,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 00:04:21,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:04:21,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 00:04:21,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 00:04:21,877 INFO L87 Difference]: Start difference. First operand 33 states and 44 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 00:04:22,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:04:22,002 INFO L93 Difference]: Finished difference Result 49 states and 68 transitions. [2024-10-24 00:04:22,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 00:04:22,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2024-10-24 00:04:22,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:04:22,005 INFO L225 Difference]: With dead ends: 49 [2024-10-24 00:04:22,005 INFO L226 Difference]: Without dead ends: 47 [2024-10-24 00:04:22,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 00:04:22,007 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 4 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:04:22,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 116 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 00:04:22,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-24 00:04:22,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 43. [2024-10-24 00:04:22,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 00:04:22,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 59 transitions. [2024-10-24 00:04:22,027 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 59 transitions. Word has length 17 [2024-10-24 00:04:22,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:04:22,028 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 59 transitions. [2024-10-24 00:04:22,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 00:04:22,029 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2024-10-24 00:04:22,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-24 00:04:22,031 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:04:22,032 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:04:22,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-24 00:04:22,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:22,233 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:04:22,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:04:22,234 INFO L85 PathProgramCache]: Analyzing trace with hash 168504260, now seen corresponding path program 1 times [2024-10-24 00:04:22,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:04:22,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940313722] [2024-10-24 00:04:22,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:22,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:04:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 00:04:22,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [615592864] [2024-10-24 00:04:22,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:22,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:22,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:04:22,270 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:04:22,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 00:04:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:22,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 00:04:22,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:04:22,400 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 00:04:22,400 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:04:22,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:04:22,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940313722] [2024-10-24 00:04:22,401 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 00:04:22,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615592864] [2024-10-24 00:04:22,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615592864] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:04:22,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:04:22,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 00:04:22,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238133358] [2024-10-24 00:04:22,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:04:22,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 00:04:22,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:04:22,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 00:04:22,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 00:04:22,403 INFO L87 Difference]: Start difference. First operand 43 states and 59 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 00:04:22,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:04:22,507 INFO L93 Difference]: Finished difference Result 57 states and 74 transitions. [2024-10-24 00:04:22,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 00:04:22,508 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2024-10-24 00:04:22,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:04:22,509 INFO L225 Difference]: With dead ends: 57 [2024-10-24 00:04:22,509 INFO L226 Difference]: Without dead ends: 45 [2024-10-24 00:04:22,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 00:04:22,510 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 4 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:04:22,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 114 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 00:04:22,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-10-24 00:04:22,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-10-24 00:04:22,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 16 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-24 00:04:22,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 57 transitions. [2024-10-24 00:04:22,526 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 57 transitions. Word has length 22 [2024-10-24 00:04:22,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:04:22,526 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 57 transitions. [2024-10-24 00:04:22,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 00:04:22,527 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2024-10-24 00:04:22,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-24 00:04:22,529 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:04:22,529 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:04:22,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 00:04:22,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:22,730 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:04:22,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:04:22,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1666200982, now seen corresponding path program 1 times [2024-10-24 00:04:22,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:04:22,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936933535] [2024-10-24 00:04:22,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:22,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:04:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:22,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 00:04:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:22,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:04:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:22,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 00:04:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:22,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 00:04:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:22,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 00:04:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:22,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 00:04:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:22,957 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 00:04:22,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:04:22,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936933535] [2024-10-24 00:04:22,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936933535] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:04:22,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780612884] [2024-10-24 00:04:22,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:22,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:22,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:04:22,960 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:04:22,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 00:04:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:23,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 00:04:23,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:04:23,093 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-24 00:04:23,093 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 00:04:23,190 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-24 00:04:23,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780612884] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 00:04:23,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 00:04:23,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 10 [2024-10-24 00:04:23,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254884649] [2024-10-24 00:04:23,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 00:04:23,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 00:04:23,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:04:23,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 00:04:23,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:04:23,193 INFO L87 Difference]: Start difference. First operand 45 states and 57 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-24 00:04:23,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:04:23,384 INFO L93 Difference]: Finished difference Result 115 states and 150 transitions. [2024-10-24 00:04:23,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 00:04:23,385 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 40 [2024-10-24 00:04:23,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:04:23,388 INFO L225 Difference]: With dead ends: 115 [2024-10-24 00:04:23,389 INFO L226 Difference]: Without dead ends: 99 [2024-10-24 00:04:23,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:04:23,391 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 51 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:04:23,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 109 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 00:04:23,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-10-24 00:04:23,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2024-10-24 00:04:23,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 49 states have internal predecessors, (53), 38 states have call successors, (38), 10 states have call predecessors, (38), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-24 00:04:23,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 126 transitions. [2024-10-24 00:04:23,427 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 126 transitions. Word has length 40 [2024-10-24 00:04:23,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:04:23,427 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 126 transitions. [2024-10-24 00:04:23,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 states have internal predecessors, (26), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-24 00:04:23,427 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 126 transitions. [2024-10-24 00:04:23,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-24 00:04:23,428 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:04:23,428 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:04:23,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-24 00:04:23,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:23,629 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:04:23,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:04:23,630 INFO L85 PathProgramCache]: Analyzing trace with hash -2136650998, now seen corresponding path program 1 times [2024-10-24 00:04:23,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:04:23,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284085505] [2024-10-24 00:04:23,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:23,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:04:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 00:04:23,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2051985338] [2024-10-24 00:04:23,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:23,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:23,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:04:23,658 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:04:23,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 00:04:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:23,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-24 00:04:23,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:04:23,846 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 11 proven. 20 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-24 00:04:23,846 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 00:04:24,024 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-24 00:04:24,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:04:24,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284085505] [2024-10-24 00:04:24,025 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 00:04:24,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051985338] [2024-10-24 00:04:24,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051985338] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 00:04:24,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 00:04:24,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-10-24 00:04:24,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463143800] [2024-10-24 00:04:24,026 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 00:04:24,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 00:04:24,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:04:24,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 00:04:24,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:04:24,028 INFO L87 Difference]: Start difference. First operand 95 states and 126 transitions. Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 5 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-10-24 00:04:24,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:04:24,279 INFO L93 Difference]: Finished difference Result 113 states and 142 transitions. [2024-10-24 00:04:24,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:04:24,280 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 5 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) Word has length 40 [2024-10-24 00:04:24,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:04:24,283 INFO L225 Difference]: With dead ends: 113 [2024-10-24 00:04:24,284 INFO L226 Difference]: Without dead ends: 111 [2024-10-24 00:04:24,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-10-24 00:04:24,285 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 17 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 00:04:24,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 78 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 00:04:24,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-10-24 00:04:24,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-10-24 00:04:24,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 58 states have (on average 1.1206896551724137) internal successors, (65), 61 states have internal predecessors, (65), 38 states have call successors, (38), 14 states have call predecessors, (38), 14 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-24 00:04:24,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 138 transitions. [2024-10-24 00:04:24,325 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 138 transitions. Word has length 40 [2024-10-24 00:04:24,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:04:24,326 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 138 transitions. [2024-10-24 00:04:24,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 5 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-10-24 00:04:24,326 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 138 transitions. [2024-10-24 00:04:24,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-24 00:04:24,327 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:04:24,327 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:04:24,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 00:04:24,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:24,528 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:04:24,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:04:24,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1054982331, now seen corresponding path program 2 times [2024-10-24 00:04:24,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:04:24,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919192872] [2024-10-24 00:04:24,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:24,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:04:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 00:04:24,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [235553220] [2024-10-24 00:04:24,556 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 00:04:24,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:24,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:04:24,559 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:04:24,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 00:04:24,611 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 00:04:24,611 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 00:04:24,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-24 00:04:24,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:04:24,785 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-24 00:04:24,786 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 00:04:24,985 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-24 00:04:24,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:04:24,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919192872] [2024-10-24 00:04:24,986 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 00:04:24,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235553220] [2024-10-24 00:04:24,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235553220] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 00:04:24,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 00:04:24,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2024-10-24 00:04:24,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041618081] [2024-10-24 00:04:24,987 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 00:04:24,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 00:04:24,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:04:24,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 00:04:24,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-10-24 00:04:24,989 INFO L87 Difference]: Start difference. First operand 111 states and 138 transitions. Second operand has 14 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 6 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 4 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-24 00:04:25,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:04:25,305 INFO L93 Difference]: Finished difference Result 126 states and 153 transitions. [2024-10-24 00:04:25,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 00:04:25,305 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 6 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 4 states have call predecessors, (14), 6 states have call successors, (14) Word has length 45 [2024-10-24 00:04:25,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:04:25,308 INFO L225 Difference]: With dead ends: 126 [2024-10-24 00:04:25,309 INFO L226 Difference]: Without dead ends: 121 [2024-10-24 00:04:25,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-10-24 00:04:25,310 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 14 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 00:04:25,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 135 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 00:04:25,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-24 00:04:25,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-10-24 00:04:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 67 states have (on average 1.1044776119402986) internal successors, (74), 70 states have internal predecessors, (74), 35 states have call successors, (35), 17 states have call predecessors, (35), 17 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 00:04:25,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2024-10-24 00:04:25,351 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 45 [2024-10-24 00:04:25,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:04:25,352 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2024-10-24 00:04:25,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 6 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 4 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-24 00:04:25,353 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2024-10-24 00:04:25,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-24 00:04:25,355 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:04:25,355 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:04:25,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 00:04:25,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:25,556 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:04:25,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:04:25,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1733391679, now seen corresponding path program 1 times [2024-10-24 00:04:25,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:04:25,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686306366] [2024-10-24 00:04:25,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:25,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:04:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 00:04:25,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2140168256] [2024-10-24 00:04:25,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:25,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:25,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:04:25,582 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:04:25,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 00:04:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:25,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-24 00:04:25,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:04:26,088 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-24 00:04:26,088 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 00:04:26,514 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-24 00:04:26,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:04:26,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686306366] [2024-10-24 00:04:26,515 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 00:04:26,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140168256] [2024-10-24 00:04:26,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140168256] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 00:04:26,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 00:04:26,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2024-10-24 00:04:26,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832476866] [2024-10-24 00:04:26,516 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 00:04:26,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 00:04:26,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:04:26,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 00:04:26,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-10-24 00:04:26,517 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand has 14 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 7 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 6 states have call predecessors, (22), 7 states have call successors, (22) [2024-10-24 00:04:26,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:04:26,894 INFO L93 Difference]: Finished difference Result 136 states and 158 transitions. [2024-10-24 00:04:26,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 00:04:26,895 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 7 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 6 states have call predecessors, (22), 7 states have call successors, (22) Word has length 66 [2024-10-24 00:04:26,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:04:26,897 INFO L225 Difference]: With dead ends: 136 [2024-10-24 00:04:26,897 INFO L226 Difference]: Without dead ends: 132 [2024-10-24 00:04:26,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-10-24 00:04:26,898 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 10 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 00:04:26,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 142 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 00:04:26,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-10-24 00:04:26,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-10-24 00:04:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 75 states have (on average 1.08) internal successors, (81), 78 states have internal predecessors, (81), 37 states have call successors, (37), 20 states have call predecessors, (37), 19 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 00:04:26,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 152 transitions. [2024-10-24 00:04:26,957 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 152 transitions. Word has length 66 [2024-10-24 00:04:26,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:04:26,957 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 152 transitions. [2024-10-24 00:04:26,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 7 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 6 states have call predecessors, (22), 7 states have call successors, (22) [2024-10-24 00:04:26,959 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 152 transitions. [2024-10-24 00:04:26,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 00:04:26,960 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:04:26,960 INFO L215 NwaCegarLoop]: trace histogram [13, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:04:26,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-24 00:04:27,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:27,166 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:04:27,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:04:27,166 INFO L85 PathProgramCache]: Analyzing trace with hash 2124427812, now seen corresponding path program 1 times [2024-10-24 00:04:27,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:04:27,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339811824] [2024-10-24 00:04:27,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:27,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:04:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 00:04:27,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [424393201] [2024-10-24 00:04:27,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:27,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:27,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:04:27,197 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:04:27,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 00:04:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:27,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-24 00:04:27,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:04:27,584 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 23 proven. 42 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-10-24 00:04:27,584 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 00:04:28,190 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 23 proven. 42 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-10-24 00:04:28,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:04:28,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339811824] [2024-10-24 00:04:28,191 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 00:04:28,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424393201] [2024-10-24 00:04:28,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424393201] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 00:04:28,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 00:04:28,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-10-24 00:04:28,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027412877] [2024-10-24 00:04:28,192 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 00:04:28,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 00:04:28,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:04:28,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 00:04:28,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-10-24 00:04:28,194 INFO L87 Difference]: Start difference. First operand 132 states and 152 transitions. Second operand has 15 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 7 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (24), 6 states have call predecessors, (24), 7 states have call successors, (24) [2024-10-24 00:04:29,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:04:29,391 INFO L93 Difference]: Finished difference Result 155 states and 186 transitions. [2024-10-24 00:04:29,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 00:04:29,392 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 7 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (24), 6 states have call predecessors, (24), 7 states have call successors, (24) Word has length 71 [2024-10-24 00:04:29,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:04:29,394 INFO L225 Difference]: With dead ends: 155 [2024-10-24 00:04:29,396 INFO L226 Difference]: Without dead ends: 144 [2024-10-24 00:04:29,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2024-10-24 00:04:29,397 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 8 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 00:04:29,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 194 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 00:04:29,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-10-24 00:04:29,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 140. [2024-10-24 00:04:29,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 77 states have (on average 1.077922077922078) internal successors, (83), 81 states have internal predecessors, (83), 42 states have call successors, (42), 20 states have call predecessors, (42), 20 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-24 00:04:29,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2024-10-24 00:04:29,453 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 71 [2024-10-24 00:04:29,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:04:29,454 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2024-10-24 00:04:29,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 7 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (24), 6 states have call predecessors, (24), 7 states have call successors, (24) [2024-10-24 00:04:29,454 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2024-10-24 00:04:29,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-24 00:04:29,457 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:04:29,457 INFO L215 NwaCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1] [2024-10-24 00:04:29,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-24 00:04:29,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-24 00:04:29,662 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:04:29,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:04:29,662 INFO L85 PathProgramCache]: Analyzing trace with hash -331345392, now seen corresponding path program 3 times [2024-10-24 00:04:29,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:04:29,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112499374] [2024-10-24 00:04:29,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:29,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:04:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 00:04:29,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [77991850] [2024-10-24 00:04:29,701 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 00:04:29,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:29,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:04:29,704 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:04:29,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 00:04:29,785 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-24 00:04:29,785 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 00:04:29,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-10-24 00:04:29,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:04:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 55 proven. 27 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-10-24 00:04:30,009 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 00:04:30,896 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 55 proven. 27 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-10-24 00:04:30,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:04:30,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112499374] [2024-10-24 00:04:30,897 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 00:04:30,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77991850] [2024-10-24 00:04:30,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77991850] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 00:04:30,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 00:04:30,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2024-10-24 00:04:30,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903084452] [2024-10-24 00:04:30,897 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 00:04:30,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 00:04:30,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:04:30,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 00:04:30,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-10-24 00:04:30,900 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand has 16 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 13 states have internal predecessors, (31), 8 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (26), 6 states have call predecessors, (26), 8 states have call successors, (26) [2024-10-24 00:04:35,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 00:04:41,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.87s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 00:04:41,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:04:41,110 INFO L93 Difference]: Finished difference Result 146 states and 170 transitions. [2024-10-24 00:04:41,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 00:04:41,111 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 13 states have internal predecessors, (31), 8 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (26), 6 states have call predecessors, (26), 8 states have call successors, (26) Word has length 78 [2024-10-24 00:04:41,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:04:41,112 INFO L225 Difference]: With dead ends: 146 [2024-10-24 00:04:41,112 INFO L226 Difference]: Without dead ends: 128 [2024-10-24 00:04:41,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 140 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2024-10-24 00:04:41,113 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 18 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 108 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-10-24 00:04:41,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 197 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 254 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2024-10-24 00:04:41,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-10-24 00:04:41,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-10-24 00:04:41,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 74 states have (on average 1.054054054054054) internal successors, (78), 77 states have internal predecessors, (78), 34 states have call successors, (34), 19 states have call predecessors, (34), 19 states have return successors, (33), 31 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-24 00:04:41,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 145 transitions. [2024-10-24 00:04:41,156 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 145 transitions. Word has length 78 [2024-10-24 00:04:41,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:04:41,157 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 145 transitions. [2024-10-24 00:04:41,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 13 states have internal predecessors, (31), 8 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (26), 6 states have call predecessors, (26), 8 states have call successors, (26) [2024-10-24 00:04:41,157 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 145 transitions. [2024-10-24 00:04:41,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 00:04:41,160 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:04:41,160 INFO L215 NwaCegarLoop]: trace histogram [22, 21, 21, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:04:41,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-24 00:04:41,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:41,361 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:04:41,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:04:41,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1753860344, now seen corresponding path program 2 times [2024-10-24 00:04:41,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:04:41,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828109818] [2024-10-24 00:04:41,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:41,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:04:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 00:04:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:04:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 00:04:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 00:04:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 00:04:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 00:04:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:04:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 00:04:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 00:04:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 00:04:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 00:04:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 00:04:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 00:04:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:04:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 00:04:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 00:04:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 00:04:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 00:04:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 00:04:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 00:04:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 00:04:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:41,665 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-24 00:04:41,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:04:41,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828109818] [2024-10-24 00:04:41,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828109818] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:04:41,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591122129] [2024-10-24 00:04:41,666 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 00:04:41,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:41,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:04:41,668 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:04:41,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 00:04:41,741 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 00:04:41,742 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 00:04:41,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 00:04:41,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:04:41,876 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 120 proven. 656 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-10-24 00:04:41,876 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 00:04:42,036 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 42 proven. 56 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-24 00:04:42,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591122129] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 00:04:42,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 00:04:42,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 16 [2024-10-24 00:04:42,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415243246] [2024-10-24 00:04:42,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 00:04:42,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 00:04:42,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:04:42,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 00:04:42,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=144, Unknown=0, NotChecked=0, Total=240 [2024-10-24 00:04:42,039 INFO L87 Difference]: Start difference. First operand 128 states and 145 transitions. Second operand has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 9 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (62), 9 states have call predecessors, (62), 9 states have call successors, (62) [2024-10-24 00:04:42,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:04:42,465 INFO L93 Difference]: Finished difference Result 361 states and 394 transitions. [2024-10-24 00:04:42,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-24 00:04:42,466 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 9 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (62), 9 states have call predecessors, (62), 9 states have call successors, (62) Word has length 124 [2024-10-24 00:04:42,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:04:42,469 INFO L225 Difference]: With dead ends: 361 [2024-10-24 00:04:42,469 INFO L226 Difference]: Without dead ends: 345 [2024-10-24 00:04:42,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=196, Invalid=356, Unknown=0, NotChecked=0, Total=552 [2024-10-24 00:04:42,471 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 134 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 00:04:42,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 141 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 00:04:42,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-10-24 00:04:42,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 289. [2024-10-24 00:04:42,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 174 states have (on average 1.0574712643678161) internal successors, (184), 181 states have internal predecessors, (184), 68 states have call successors, (68), 47 states have call predecessors, (68), 46 states have return successors, (65), 60 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-24 00:04:42,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 317 transitions. [2024-10-24 00:04:42,557 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 317 transitions. Word has length 124 [2024-10-24 00:04:42,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:04:42,559 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 317 transitions. [2024-10-24 00:04:42,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 9 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (62), 9 states have call predecessors, (62), 9 states have call successors, (62) [2024-10-24 00:04:42,560 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 317 transitions. [2024-10-24 00:04:42,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-24 00:04:42,561 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:04:42,561 INFO L215 NwaCegarLoop]: trace histogram [24, 23, 23, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:04:42,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-24 00:04:42,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-24 00:04:42,762 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:04:42,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:04:42,763 INFO L85 PathProgramCache]: Analyzing trace with hash 109149613, now seen corresponding path program 1 times [2024-10-24 00:04:42,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:04:42,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238395379] [2024-10-24 00:04:42,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:42,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:04:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 00:04:42,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1050164949] [2024-10-24 00:04:42,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:42,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:42,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:04:42,803 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:04:42,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 00:04:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:42,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-10-24 00:04:42,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:04:43,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 45 proven. 115 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-24 00:04:43,200 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 00:04:44,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 45 proven. 115 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-24 00:04:44,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:04:44,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238395379] [2024-10-24 00:04:44,615 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 00:04:44,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050164949] [2024-10-24 00:04:44,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050164949] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 00:04:44,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 00:04:44,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2024-10-24 00:04:44,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086230406] [2024-10-24 00:04:44,615 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 00:04:44,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-24 00:04:44,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:04:44,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-24 00:04:44,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-10-24 00:04:44,617 INFO L87 Difference]: Start difference. First operand 289 states and 317 transitions. Second operand has 17 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 15 states have internal predecessors, (39), 9 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (46), 8 states have call predecessors, (46), 9 states have call successors, (46) [2024-10-24 00:04:49,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 00:04:51,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-24 00:04:55,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:04:55,617 INFO L93 Difference]: Finished difference Result 327 states and 347 transitions. [2024-10-24 00:04:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 00:04:55,618 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 15 states have internal predecessors, (39), 9 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (46), 8 states have call predecessors, (46), 9 states have call successors, (46) Word has length 132 [2024-10-24 00:04:55,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:04:55,620 INFO L225 Difference]: With dead ends: 327 [2024-10-24 00:04:55,620 INFO L226 Difference]: Without dead ends: 299 [2024-10-24 00:04:55,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 247 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2024-10-24 00:04:55,621 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 12 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-10-24 00:04:55,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 281 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 263 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2024-10-24 00:04:55,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-10-24 00:04:55,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2024-10-24 00:04:55,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 186 states have (on average 1.043010752688172) internal successors, (194), 192 states have internal predecessors, (194), 62 states have call successors, (62), 51 states have call predecessors, (62), 50 states have return successors, (60), 55 states have call predecessors, (60), 60 states have call successors, (60) [2024-10-24 00:04:55,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 316 transitions. [2024-10-24 00:04:55,719 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 316 transitions. Word has length 132 [2024-10-24 00:04:55,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:04:55,719 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 316 transitions. [2024-10-24 00:04:55,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 15 states have internal predecessors, (39), 9 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (46), 8 states have call predecessors, (46), 9 states have call successors, (46) [2024-10-24 00:04:55,720 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 316 transitions. [2024-10-24 00:04:55,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-24 00:04:55,721 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:04:55,721 INFO L215 NwaCegarLoop]: trace histogram [28, 27, 27, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:04:55,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-24 00:04:55,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-24 00:04:55,922 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:04:55,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:04:55,923 INFO L85 PathProgramCache]: Analyzing trace with hash 460751474, now seen corresponding path program 2 times [2024-10-24 00:04:55,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:04:55,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394700865] [2024-10-24 00:04:55,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:55,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:04:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 00:04:55,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [323708400] [2024-10-24 00:04:55,962 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 00:04:55,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:55,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:04:55,964 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:04:55,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 00:04:56,055 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 00:04:56,055 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 00:04:56,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-10-24 00:04:56,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:04:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1538 backedges. 113 proven. 99 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-10-24 00:04:56,320 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 00:04:56,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1538 backedges. 113 proven. 51 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2024-10-24 00:04:56,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:04:56,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394700865] [2024-10-24 00:04:56,923 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 00:04:56,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323708400] [2024-10-24 00:04:56,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323708400] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 00:04:56,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 00:04:56,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 18 [2024-10-24 00:04:56,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693623347] [2024-10-24 00:04:56,923 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 00:04:56,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-24 00:04:56,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:04:56,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-24 00:04:56,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2024-10-24 00:04:56,925 INFO L87 Difference]: Start difference. First operand 299 states and 316 transitions. Second operand has 18 states, 16 states have (on average 2.3125) internal successors, (37), 16 states have internal predecessors, (37), 10 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (39), 9 states have call predecessors, (39), 10 states have call successors, (39) [2024-10-24 00:04:57,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:04:57,483 INFO L93 Difference]: Finished difference Result 312 states and 328 transitions. [2024-10-24 00:04:57,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 00:04:57,483 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 2.3125) internal successors, (37), 16 states have internal predecessors, (37), 10 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (39), 9 states have call predecessors, (39), 10 states have call successors, (39) Word has length 155 [2024-10-24 00:04:57,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:04:57,485 INFO L225 Difference]: With dead ends: 312 [2024-10-24 00:04:57,485 INFO L226 Difference]: Without dead ends: 280 [2024-10-24 00:04:57,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 290 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=526, Unknown=0, NotChecked=0, Total=650 [2024-10-24 00:04:57,486 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 16 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 00:04:57,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 400 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 00:04:57,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-10-24 00:04:57,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2024-10-24 00:04:57,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 178 states have (on average 1.0112359550561798) internal successors, (180), 179 states have internal predecessors, (180), 53 states have call successors, (53), 48 states have call predecessors, (53), 48 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-24 00:04:57,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 285 transitions. [2024-10-24 00:04:57,561 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 285 transitions. Word has length 155 [2024-10-24 00:04:57,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:04:57,561 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 285 transitions. [2024-10-24 00:04:57,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 2.3125) internal successors, (37), 16 states have internal predecessors, (37), 10 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (39), 9 states have call predecessors, (39), 10 states have call successors, (39) [2024-10-24 00:04:57,562 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 285 transitions. [2024-10-24 00:04:57,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-10-24 00:04:57,565 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:04:57,565 INFO L215 NwaCegarLoop]: trace histogram [52, 51, 51, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:04:57,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-24 00:04:57,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-24 00:04:57,766 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:04:57,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:04:57,767 INFO L85 PathProgramCache]: Analyzing trace with hash -141720852, now seen corresponding path program 3 times [2024-10-24 00:04:57,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:04:57,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104723649] [2024-10-24 00:04:57,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:04:57,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:04:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 00:04:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:04:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 00:04:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 00:04:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 00:04:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 00:04:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:04:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 00:04:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 00:04:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 00:04:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 00:04:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 00:04:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 00:04:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:04:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 00:04:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 00:04:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 00:04:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 00:04:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 00:04:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 00:04:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 00:04:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 00:04:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 00:04:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 00:04:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 00:04:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 00:04:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 00:04:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 00:04:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 00:04:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 00:04:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 00:04:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 00:04:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 00:04:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 00:04:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 00:04:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 00:04:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 00:04:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 00:04:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 00:04:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 00:04:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 00:04:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 00:04:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 00:04:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 00:04:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-24 00:04:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 00:04:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 00:04:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-24 00:04:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 00:04:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 00:04:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-24 00:04:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:04:58,605 INFO L134 CoverageAnalysis]: Checked inductivity of 5582 backedges. 102 proven. 380 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-10-24 00:04:58,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:04:58,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104723649] [2024-10-24 00:04:58,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104723649] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:04:58,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11017743] [2024-10-24 00:04:58,606 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 00:04:58,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:04:58,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:04:58,608 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:04:58,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-24 00:04:58,772 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 31 check-sat command(s) [2024-10-24 00:04:58,772 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 00:04:58,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-24 00:04:58,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:04:59,102 INFO L134 CoverageAnalysis]: Checked inductivity of 5582 backedges. 300 proven. 4880 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-10-24 00:04:59,102 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 00:04:59,488 INFO L134 CoverageAnalysis]: Checked inductivity of 5582 backedges. 102 proven. 380 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-10-24 00:04:59,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11017743] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 00:04:59,489 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 00:04:59,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 28 [2024-10-24 00:04:59,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991339645] [2024-10-24 00:04:59,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 00:04:59,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-24 00:04:59,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:04:59,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-24 00:04:59,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=330, Invalid=426, Unknown=0, NotChecked=0, Total=756 [2024-10-24 00:04:59,492 INFO L87 Difference]: Start difference. First operand 280 states and 285 transitions. Second operand has 28 states, 28 states have (on average 3.8214285714285716) internal successors, (107), 28 states have internal predecessors, (107), 21 states have call successors, (153), 12 states have call predecessors, (153), 12 states have return successors, (152), 21 states have call predecessors, (152), 21 states have call successors, (152) [2024-10-24 00:05:00,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:05:00,393 INFO L93 Difference]: Finished difference Result 629 states and 646 transitions. [2024-10-24 00:05:00,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-24 00:05:00,395 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.8214285714285716) internal successors, (107), 28 states have internal predecessors, (107), 21 states have call successors, (153), 12 states have call predecessors, (153), 12 states have return successors, (152), 21 states have call predecessors, (152), 21 states have call successors, (152) Word has length 292 [2024-10-24 00:05:00,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:05:00,398 INFO L225 Difference]: With dead ends: 629 [2024-10-24 00:05:00,398 INFO L226 Difference]: Without dead ends: 616 [2024-10-24 00:05:00,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 718 GetRequests, 672 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=820, Invalid=1436, Unknown=0, NotChecked=0, Total=2256 [2024-10-24 00:05:00,400 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 140 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 00:05:00,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 177 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 00:05:00,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-10-24 00:05:00,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 616. [2024-10-24 00:05:00,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 394 states have (on average 1.0050761421319796) internal successors, (396), 395 states have internal predecessors, (396), 113 states have call successors, (113), 108 states have call predecessors, (113), 108 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-10-24 00:05:00,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 621 transitions. [2024-10-24 00:05:00,599 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 621 transitions. Word has length 292 [2024-10-24 00:05:00,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:05:00,599 INFO L471 AbstractCegarLoop]: Abstraction has 616 states and 621 transitions. [2024-10-24 00:05:00,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.8214285714285716) internal successors, (107), 28 states have internal predecessors, (107), 21 states have call successors, (153), 12 states have call predecessors, (153), 12 states have return successors, (152), 21 states have call predecessors, (152), 21 states have call successors, (152) [2024-10-24 00:05:00,600 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 621 transitions. [2024-10-24 00:05:00,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 629 [2024-10-24 00:05:00,611 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:05:00,612 INFO L215 NwaCegarLoop]: trace histogram [112, 111, 111, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:05:00,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-24 00:05:00,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-24 00:05:00,814 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:05:00,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:05:00,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1785250124, now seen corresponding path program 4 times [2024-10-24 00:05:00,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:05:00,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127823192] [2024-10-24 00:05:00,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:05:00,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:05:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 00:05:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:05:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 00:05:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 00:05:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 00:05:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 00:05:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:05:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 00:05:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 00:05:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 00:05:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 00:05:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 00:05:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 00:05:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:05:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 00:05:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 00:05:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 00:05:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 00:05:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 00:05:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 00:05:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 00:05:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 00:05:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 00:05:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 00:05:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 00:05:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 00:05:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 00:05:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:02,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 00:05:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 00:05:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 00:05:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 00:05:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 00:05:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 00:05:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 00:05:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 00:05:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 00:05:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 00:05:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 00:05:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 00:05:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 00:05:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 00:05:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 00:05:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 00:05:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 00:05:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-24 00:05:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 00:05:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 00:05:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-24 00:05:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 00:05:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 00:05:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-24 00:05:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-24 00:05:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-24 00:05:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-24 00:05:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 00:05:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-24 00:05:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-24 00:05:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-24 00:05:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 00:05:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-24 00:05:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-24 00:05:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-10-24 00:05:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-10-24 00:05:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 00:05:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-24 00:05:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2024-10-24 00:05:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-24 00:05:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2024-10-24 00:05:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2024-10-24 00:05:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2024-10-24 00:05:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-24 00:05:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2024-10-24 00:05:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-10-24 00:05:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2024-10-24 00:05:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-10-24 00:05:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-10-24 00:05:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-10-24 00:05:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-10-24 00:05:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2024-10-24 00:05:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2024-10-24 00:05:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2024-10-24 00:05:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2024-10-24 00:05:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2024-10-24 00:05:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2024-10-24 00:05:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2024-10-24 00:05:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2024-10-24 00:05:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2024-10-24 00:05:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2024-10-24 00:05:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2024-10-24 00:05:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2024-10-24 00:05:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2024-10-24 00:05:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2024-10-24 00:05:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2024-10-24 00:05:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2024-10-24 00:05:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2024-10-24 00:05:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2024-10-24 00:05:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2024-10-24 00:05:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2024-10-24 00:05:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2024-10-24 00:05:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2024-10-24 00:05:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-10-24 00:05:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2024-10-24 00:05:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2024-10-24 00:05:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2024-10-24 00:05:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2024-10-24 00:05:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2024-10-24 00:05:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2024-10-24 00:05:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2024-10-24 00:05:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2024-10-24 00:05:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2024-10-24 00:05:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2024-10-24 00:05:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:03,227 INFO L134 CoverageAnalysis]: Checked inductivity of 26534 backedges. 222 proven. 1892 refuted. 0 times theorem prover too weak. 24420 trivial. 0 not checked. [2024-10-24 00:05:03,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:05:03,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127823192] [2024-10-24 00:05:03,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127823192] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:05:03,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437997221] [2024-10-24 00:05:03,227 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-24 00:05:03,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:05:03,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:05:03,230 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:05:03,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-24 00:05:03,679 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-24 00:05:03,679 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 00:05:03,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 1354 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-10-24 00:05:03,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:05:04,348 INFO L134 CoverageAnalysis]: Checked inductivity of 26534 backedges. 660 proven. 24992 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-10-24 00:05:04,348 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 00:05:05,468 INFO L134 CoverageAnalysis]: Checked inductivity of 26534 backedges. 222 proven. 1892 refuted. 0 times theorem prover too weak. 24420 trivial. 0 not checked. [2024-10-24 00:05:05,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437997221] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 00:05:05,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 00:05:05,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 26] total 52 [2024-10-24 00:05:05,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551383357] [2024-10-24 00:05:05,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 00:05:05,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-10-24 00:05:05,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:05:05,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-10-24 00:05:05,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1230, Invalid=1422, Unknown=0, NotChecked=0, Total=2652 [2024-10-24 00:05:05,475 INFO L87 Difference]: Start difference. First operand 616 states and 621 transitions. Second operand has 52 states, 52 states have (on average 4.134615384615385) internal successors, (215), 52 states have internal predecessors, (215), 45 states have call successors, (333), 24 states have call predecessors, (333), 24 states have return successors, (332), 45 states have call predecessors, (332), 45 states have call successors, (332) [2024-10-24 00:05:07,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:05:07,978 INFO L93 Difference]: Finished difference Result 1301 states and 1330 transitions. [2024-10-24 00:05:07,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-10-24 00:05:07,980 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 4.134615384615385) internal successors, (215), 52 states have internal predecessors, (215), 45 states have call successors, (333), 24 states have call predecessors, (333), 24 states have return successors, (332), 45 states have call predecessors, (332), 45 states have call successors, (332) Word has length 628 [2024-10-24 00:05:07,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:05:07,987 INFO L225 Difference]: With dead ends: 1301 [2024-10-24 00:05:07,987 INFO L226 Difference]: Without dead ends: 1288 [2024-10-24 00:05:07,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1546 GetRequests, 1452 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1380 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=3364, Invalid=5756, Unknown=0, NotChecked=0, Total=9120 [2024-10-24 00:05:07,991 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 299 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 00:05:07,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 273 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 00:05:07,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2024-10-24 00:05:08,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1288. [2024-10-24 00:05:08,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1288 states, 826 states have (on average 1.0024213075060533) internal successors, (828), 827 states have internal predecessors, (828), 233 states have call successors, (233), 228 states have call predecessors, (233), 228 states have return successors, (232), 232 states have call predecessors, (232), 232 states have call successors, (232) [2024-10-24 00:05:08,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1293 transitions. [2024-10-24 00:05:08,362 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1293 transitions. Word has length 628 [2024-10-24 00:05:08,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:05:08,363 INFO L471 AbstractCegarLoop]: Abstraction has 1288 states and 1293 transitions. [2024-10-24 00:05:08,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 4.134615384615385) internal successors, (215), 52 states have internal predecessors, (215), 45 states have call successors, (333), 24 states have call predecessors, (333), 24 states have return successors, (332), 45 states have call predecessors, (332), 45 states have call successors, (332) [2024-10-24 00:05:08,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1293 transitions. [2024-10-24 00:05:08,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1301 [2024-10-24 00:05:08,401 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:05:08,401 INFO L215 NwaCegarLoop]: trace histogram [232, 231, 231, 47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 00:05:08,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-24 00:05:08,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:05:08,606 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:05:08,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:05:08,606 INFO L85 PathProgramCache]: Analyzing trace with hash -997767612, now seen corresponding path program 5 times [2024-10-24 00:05:08,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:05:08,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559268978] [2024-10-24 00:05:08,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:05:08,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:05:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 00:05:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:05:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 00:05:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 00:05:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 00:05:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 00:05:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:05:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 00:05:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 00:05:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 00:05:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 00:05:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 00:05:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 00:05:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:05:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 00:05:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 00:05:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 00:05:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 00:05:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 00:05:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 00:05:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 00:05:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 00:05:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 00:05:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 00:05:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 00:05:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 00:05:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 00:05:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 00:05:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 00:05:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 00:05:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-24 00:05:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 00:05:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 00:05:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 00:05:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 00:05:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 00:05:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 00:05:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 00:05:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 00:05:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 00:05:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 00:05:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 00:05:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 00:05:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 00:05:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-24 00:05:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 00:05:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 00:05:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-24 00:05:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 00:05:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 00:05:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-24 00:05:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-24 00:05:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-24 00:05:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-24 00:05:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 00:05:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-24 00:05:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-24 00:05:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-24 00:05:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 00:05:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-24 00:05:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-10-24 00:05:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2024-10-24 00:05:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2024-10-24 00:05:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 00:05:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-24 00:05:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2024-10-24 00:05:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-24 00:05:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2024-10-24 00:05:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2024-10-24 00:05:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2024-10-24 00:05:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-24 00:05:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2024-10-24 00:05:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2024-10-24 00:05:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2024-10-24 00:05:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-10-24 00:05:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-10-24 00:05:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-10-24 00:05:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2024-10-24 00:05:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2024-10-24 00:05:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2024-10-24 00:05:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2024-10-24 00:05:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2024-10-24 00:05:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2024-10-24 00:05:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2024-10-24 00:05:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2024-10-24 00:05:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2024-10-24 00:05:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2024-10-24 00:05:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2024-10-24 00:05:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2024-10-24 00:05:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2024-10-24 00:05:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2024-10-24 00:05:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2024-10-24 00:05:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2024-10-24 00:05:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2024-10-24 00:05:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2024-10-24 00:05:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2024-10-24 00:05:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2024-10-24 00:05:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2024-10-24 00:05:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2024-10-24 00:05:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2024-10-24 00:05:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2024-10-24 00:05:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2024-10-24 00:05:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2024-10-24 00:05:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2024-10-24 00:05:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2024-10-24 00:05:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2024-10-24 00:05:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2024-10-24 00:05:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2024-10-24 00:05:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2024-10-24 00:05:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2024-10-24 00:05:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2024-10-24 00:05:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2024-10-24 00:05:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2024-10-24 00:05:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 634 [2024-10-24 00:05:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2024-10-24 00:05:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2024-10-24 00:05:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 652 [2024-10-24 00:05:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2024-10-24 00:05:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2024-10-24 00:05:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2024-10-24 00:05:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2024-10-24 00:05:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2024-10-24 00:05:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 685 [2024-10-24 00:05:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 690 [2024-10-24 00:05:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2024-10-24 00:05:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 703 [2024-10-24 00:05:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2024-10-24 00:05:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2024-10-24 00:05:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2024-10-24 00:05:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 723 [2024-10-24 00:05:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2024-10-24 00:05:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2024-10-24 00:05:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2024-10-24 00:05:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2024-10-24 00:05:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 751 [2024-10-24 00:05:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 759 [2024-10-24 00:05:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 764 [2024-10-24 00:05:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 769 [2024-10-24 00:05:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 774 [2024-10-24 00:05:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 779 [2024-10-24 00:05:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 787 [2024-10-24 00:05:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 792 [2024-10-24 00:05:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 797 [2024-10-24 00:05:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 802 [2024-10-24 00:05:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 807 [2024-10-24 00:05:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2024-10-24 00:05:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 820 [2024-10-24 00:05:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 825 [2024-10-24 00:05:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 830 [2024-10-24 00:05:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2024-10-24 00:05:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2024-10-24 00:05:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 848 [2024-10-24 00:05:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2024-10-24 00:05:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 858 [2024-10-24 00:05:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2024-10-24 00:05:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2024-10-24 00:05:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 876 [2024-10-24 00:05:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2024-10-24 00:05:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 886 [2024-10-24 00:05:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 891 [2024-10-24 00:05:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2024-10-24 00:05:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 904 [2024-10-24 00:05:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 909 [2024-10-24 00:05:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2024-10-24 00:05:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 919 [2024-10-24 00:05:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 927 [2024-10-24 00:05:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2024-10-24 00:05:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 937 [2024-10-24 00:05:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 942 [2024-10-24 00:05:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2024-10-24 00:05:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 955 [2024-10-24 00:05:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 960 [2024-10-24 00:05:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 965 [2024-10-24 00:05:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2024-10-24 00:05:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2024-10-24 00:05:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 983 [2024-10-24 00:05:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2024-10-24 00:05:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 993 [2024-10-24 00:05:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 998 [2024-10-24 00:05:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1003 [2024-10-24 00:05:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1011 [2024-10-24 00:05:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1016 [2024-10-24 00:05:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1021 [2024-10-24 00:05:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1026 [2024-10-24 00:05:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1031 [2024-10-24 00:05:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1039 [2024-10-24 00:05:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1044 [2024-10-24 00:05:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2024-10-24 00:05:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1054 [2024-10-24 00:05:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1059 [2024-10-24 00:05:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1067 [2024-10-24 00:05:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1072 [2024-10-24 00:05:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1077 [2024-10-24 00:05:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1082 [2024-10-24 00:05:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2024-10-24 00:05:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1095 [2024-10-24 00:05:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1100 [2024-10-24 00:05:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2024-10-24 00:05:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1110 [2024-10-24 00:05:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2024-10-24 00:05:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2024-10-24 00:05:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1128 [2024-10-24 00:05:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1133 [2024-10-24 00:05:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1138 [2024-10-24 00:05:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1143 [2024-10-24 00:05:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1151 [2024-10-24 00:05:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1156 [2024-10-24 00:05:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1161 [2024-10-24 00:05:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1166 [2024-10-24 00:05:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1171 [2024-10-24 00:05:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1179 [2024-10-24 00:05:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2024-10-24 00:05:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1189 [2024-10-24 00:05:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1194 [2024-10-24 00:05:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2024-10-24 00:05:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1207 [2024-10-24 00:05:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1212 [2024-10-24 00:05:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1217 [2024-10-24 00:05:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1222 [2024-10-24 00:05:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1227 [2024-10-24 00:05:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1235 [2024-10-24 00:05:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1240 [2024-10-24 00:05:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2024-10-24 00:05:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1250 [2024-10-24 00:05:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2024-10-24 00:05:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1263 [2024-10-24 00:05:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1268 [2024-10-24 00:05:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1273 [2024-10-24 00:05:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1278 [2024-10-24 00:05:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1283 [2024-10-24 00:05:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1291 [2024-10-24 00:05:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:05:15,767 INFO L134 CoverageAnalysis]: Checked inductivity of 115094 backedges. 462 proven. 8372 refuted. 0 times theorem prover too weak. 106260 trivial. 0 not checked. [2024-10-24 00:05:15,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:05:15,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559268978] [2024-10-24 00:05:15,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559268978] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:05:15,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372478754] [2024-10-24 00:05:15,768 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-24 00:05:15,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:05:15,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:05:15,770 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 00:05:15,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process