./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-90.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-90.i -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 eb317fac4733296e764d15c5d1055d4412d25f784c848e329f8f4334cc494698 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 02:55:12,016 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 02:55:12,102 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 02:55:12,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 02:55:12,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 02:55:12,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 02:55:12,144 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 02:55:12,145 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 02:55:12,146 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 02:55:12,146 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 02:55:12,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 02:55:12,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 02:55:12,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 02:55:12,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 02:55:12,151 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 02:55:12,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 02:55:12,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 02:55:12,152 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 02:55:12,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 02:55:12,152 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 02:55:12,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 02:55:12,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 02:55:12,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 02:55:12,154 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 02:55:12,154 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 02:55:12,154 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 02:55:12,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 02:55:12,155 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 02:55:12,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 02:55:12,156 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 02:55:12,156 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 02:55:12,156 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 02:55:12,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:55:12,157 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 02:55:12,157 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 02:55:12,158 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 02:55:12,158 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 02:55:12,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 02:55:12,159 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 02:55:12,159 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 02:55:12,159 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 02:55:12,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 02:55:12,160 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb317fac4733296e764d15c5d1055d4412d25f784c848e329f8f4334cc494698 [2024-11-12 02:55:12,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 02:55:12,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 02:55:12,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 02:55:12,424 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 02:55:12,425 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 02:55:12,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-90.i [2024-11-12 02:55:13,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 02:55:14,084 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 02:55:14,085 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-90.i [2024-11-12 02:55:14,094 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3099ef3d/82d3bbc9d6aa4edbb76ea4ae1dbad6b8/FLAG633e18a50 [2024-11-12 02:55:14,447 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3099ef3d/82d3bbc9d6aa4edbb76ea4ae1dbad6b8 [2024-11-12 02:55:14,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 02:55:14,451 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 02:55:14,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 02:55:14,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 02:55:14,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 02:55:14,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:55:14" (1/1) ... [2024-11-12 02:55:14,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d568ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:55:14, skipping insertion in model container [2024-11-12 02:55:14,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:55:14" (1/1) ... [2024-11-12 02:55:14,487 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 02:55:14,660 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-90.i[919,932] [2024-11-12 02:55:14,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:55:14,749 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 02:55:14,760 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-90.i[919,932] [2024-11-12 02:55:14,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:55:14,833 INFO L204 MainTranslator]: Completed translation [2024-11-12 02:55:14,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:55:14 WrapperNode [2024-11-12 02:55:14,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 02:55:14,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 02:55:14,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 02:55:14,836 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 02:55:14,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:55:14" (1/1) ... [2024-11-12 02:55:14,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:55:14" (1/1) ... [2024-11-12 02:55:14,907 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 256 [2024-11-12 02:55:14,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 02:55:14,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 02:55:14,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 02:55:14,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 02:55:14,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:55:14" (1/1) ... [2024-11-12 02:55:14,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:55:14" (1/1) ... [2024-11-12 02:55:14,924 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:55:14" (1/1) ... [2024-11-12 02:55:14,962 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 02:55:14,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:55:14" (1/1) ... [2024-11-12 02:55:14,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:55:14" (1/1) ... [2024-11-12 02:55:14,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:55:14" (1/1) ... [2024-11-12 02:55:14,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:55:14" (1/1) ... [2024-11-12 02:55:15,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:55:14" (1/1) ... [2024-11-12 02:55:15,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:55:14" (1/1) ... [2024-11-12 02:55:15,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 02:55:15,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 02:55:15,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 02:55:15,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 02:55:15,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:55:14" (1/1) ... [2024-11-12 02:55:15,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:55:15,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 02:55:15,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 02:55:15,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 02:55:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 02:55:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 02:55:15,123 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 02:55:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 02:55:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 02:55:15,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 02:55:15,219 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 02:55:15,220 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 02:55:15,647 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-12 02:55:15,647 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 02:55:15,664 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 02:55:15,665 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 02:55:15,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:55:15 BoogieIcfgContainer [2024-11-12 02:55:15,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 02:55:15,668 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 02:55:15,668 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 02:55:15,671 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 02:55:15,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:55:14" (1/3) ... [2024-11-12 02:55:15,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e9d134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:55:15, skipping insertion in model container [2024-11-12 02:55:15,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:55:14" (2/3) ... [2024-11-12 02:55:15,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e9d134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:55:15, skipping insertion in model container [2024-11-12 02:55:15,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:55:15" (3/3) ... [2024-11-12 02:55:15,675 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-90.i [2024-11-12 02:55:15,691 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 02:55:15,691 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 02:55:15,757 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 02:55:15,762 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;@fdf2d17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 02:55:15,763 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 02:55:15,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 72 states have (on average 1.4722222222222223) internal successors, (106), 73 states have internal predecessors, (106), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-12 02:55:15,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-12 02:55:15,783 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:55:15,784 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:55:15,785 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:55:15,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:55:15,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1841187895, now seen corresponding path program 1 times [2024-11-12 02:55:15,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:55:15,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329251627] [2024-11-12 02:55:15,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:55:15,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:55:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:55:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:55:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 02:55:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:55:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 02:55:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 02:55:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 02:55:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 02:55:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 02:55:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 02:55:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 02:55:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 02:55:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:55:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-12 02:55:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:55:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:55:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:55:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:55:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:55:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:55:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:55:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:55:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:55:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:55:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:55:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:55:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:55:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:55:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:55:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:55:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:55:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:55:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:55:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:55:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:55:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:55:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-12 02:55:16,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:55:16,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329251627] [2024-11-12 02:55:16,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329251627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:55:16,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:55:16,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 02:55:16,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189680270] [2024-11-12 02:55:16,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:55:16,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 02:55:16,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:55:16,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 02:55:16,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 02:55:16,453 INFO L87 Difference]: Start difference. First operand has 111 states, 72 states have (on average 1.4722222222222223) internal successors, (106), 73 states have internal predecessors, (106), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-12 02:55:16,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:55:16,486 INFO L93 Difference]: Finished difference Result 215 states and 386 transitions. [2024-11-12 02:55:16,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 02:55:16,489 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) Word has length 227 [2024-11-12 02:55:16,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:55:16,500 INFO L225 Difference]: With dead ends: 215 [2024-11-12 02:55:16,500 INFO L226 Difference]: Without dead ends: 107 [2024-11-12 02:55:16,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 02:55:16,508 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:55:16,509 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:55:16,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-12 02:55:16,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-11-12 02:55:16,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 69 states have (on average 1.434782608695652) internal successors, (99), 69 states have internal predecessors, (99), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-12 02:55:16,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 171 transitions. [2024-11-12 02:55:16,565 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 171 transitions. Word has length 227 [2024-11-12 02:55:16,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:55:16,565 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 171 transitions. [2024-11-12 02:55:16,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-12 02:55:16,566 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 171 transitions. [2024-11-12 02:55:16,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-12 02:55:16,570 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:55:16,570 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:55:16,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 02:55:16,571 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:55:16,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:55:16,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1840232145, now seen corresponding path program 1 times [2024-11-12 02:55:16,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:55:16,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313488304] [2024-11-12 02:55:16,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:55:16,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:55:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:55:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:55:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 02:55:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:55:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 02:55:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 02:55:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 02:55:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 02:55:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 02:55:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 02:55:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 02:55:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 02:55:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:55:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-12 02:55:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:55:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:55:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:55:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:55:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:55:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:55:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:55:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:55:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:16,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:55:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:55:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:55:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:55:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:55:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:55:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:55:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:55:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:55:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:55:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:55:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:55:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:55:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:55:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-12 02:55:17,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:55:17,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313488304] [2024-11-12 02:55:17,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313488304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:55:17,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:55:17,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 02:55:17,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545582206] [2024-11-12 02:55:17,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:55:17,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 02:55:17,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:55:17,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 02:55:17,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 02:55:17,070 INFO L87 Difference]: Start difference. First operand 107 states and 171 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-12 02:55:17,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:55:17,141 INFO L93 Difference]: Finished difference Result 263 states and 418 transitions. [2024-11-12 02:55:17,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 02:55:17,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 227 [2024-11-12 02:55:17,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:55:17,147 INFO L225 Difference]: With dead ends: 263 [2024-11-12 02:55:17,147 INFO L226 Difference]: Without dead ends: 159 [2024-11-12 02:55:17,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 02:55:17,152 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 74 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:55:17,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 330 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:55:17,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-12 02:55:17,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 156. [2024-11-12 02:55:17,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 105 states have (on average 1.4285714285714286) internal successors, (150), 106 states have internal predecessors, (150), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-12 02:55:17,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 246 transitions. [2024-11-12 02:55:17,186 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 246 transitions. Word has length 227 [2024-11-12 02:55:17,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:55:17,188 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 246 transitions. [2024-11-12 02:55:17,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-12 02:55:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 246 transitions. [2024-11-12 02:55:17,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-12 02:55:17,196 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:55:17,197 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:55:17,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 02:55:17,197 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:55:17,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:55:17,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1160173775, now seen corresponding path program 1 times [2024-11-12 02:55:17,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:55:17,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855614368] [2024-11-12 02:55:17,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:55:17,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:55:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:55:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:55:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 02:55:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:55:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 02:55:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 02:55:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 02:55:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 02:55:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 02:55:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 02:55:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 02:55:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 02:55:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:55:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-12 02:55:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:55:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:55:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:55:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:55:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:55:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:55:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:55:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:55:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:55:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:55:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:55:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:55:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:55:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:55:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:55:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:55:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:55:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:55:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:55:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:55:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:55:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:55:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:17,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-12 02:55:17,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:55:17,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855614368] [2024-11-12 02:55:17,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855614368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:55:17,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:55:17,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 02:55:17,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233481022] [2024-11-12 02:55:17,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:55:17,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 02:55:17,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:55:17,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 02:55:17,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 02:55:17,545 INFO L87 Difference]: Start difference. First operand 156 states and 246 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-12 02:55:17,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:55:17,616 INFO L93 Difference]: Finished difference Result 399 states and 627 transitions. [2024-11-12 02:55:17,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 02:55:17,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 227 [2024-11-12 02:55:17,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:55:17,626 INFO L225 Difference]: With dead ends: 399 [2024-11-12 02:55:17,627 INFO L226 Difference]: Without dead ends: 246 [2024-11-12 02:55:17,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 02:55:17,629 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 65 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:55:17,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 332 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:55:17,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-12 02:55:17,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 242. [2024-11-12 02:55:17,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 177 states have (on average 1.463276836158192) internal successors, (259), 180 states have internal predecessors, (259), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 57 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-12 02:55:17,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 379 transitions. [2024-11-12 02:55:17,675 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 379 transitions. Word has length 227 [2024-11-12 02:55:17,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:55:17,676 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 379 transitions. [2024-11-12 02:55:17,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-12 02:55:17,676 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 379 transitions. [2024-11-12 02:55:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-12 02:55:17,682 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:55:17,682 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:55:17,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 02:55:17,682 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:55:17,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:55:17,683 INFO L85 PathProgramCache]: Analyzing trace with hash -737471949, now seen corresponding path program 1 times [2024-11-12 02:55:17,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:55:17,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341995427] [2024-11-12 02:55:17,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:55:17,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:55:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:55:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:55:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 02:55:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:55:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 02:55:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 02:55:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 02:55:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 02:55:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 02:55:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 02:55:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 02:55:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 02:55:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:55:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-12 02:55:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:55:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:55:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:55:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:55:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:55:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:55:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:55:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:55:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:55:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:55:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:55:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:55:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:55:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:55:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:55:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:55:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:55:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:55:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:55:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:55:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:55:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:55:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:18,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-12 02:55:18,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:55:18,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341995427] [2024-11-12 02:55:18,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341995427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:55:18,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:55:18,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 02:55:18,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732116081] [2024-11-12 02:55:18,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:55:18,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 02:55:18,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:55:18,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 02:55:18,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:55:18,612 INFO L87 Difference]: Start difference. First operand 242 states and 379 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-12 02:55:18,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:55:18,963 INFO L93 Difference]: Finished difference Result 684 states and 1072 transitions. [2024-11-12 02:55:18,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 02:55:18,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 227 [2024-11-12 02:55:18,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:55:18,968 INFO L225 Difference]: With dead ends: 684 [2024-11-12 02:55:18,968 INFO L226 Difference]: Without dead ends: 445 [2024-11-12 02:55:18,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 02:55:18,970 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 104 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 02:55:18,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 474 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 02:55:18,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-12 02:55:19,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 415. [2024-11-12 02:55:19,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 311 states have (on average 1.4855305466237942) internal successors, (462), 314 states have internal predecessors, (462), 96 states have call successors, (96), 7 states have call predecessors, (96), 7 states have return successors, (96), 93 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-12 02:55:19,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 654 transitions. [2024-11-12 02:55:19,034 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 654 transitions. Word has length 227 [2024-11-12 02:55:19,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:55:19,035 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 654 transitions. [2024-11-12 02:55:19,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-12 02:55:19,036 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 654 transitions. [2024-11-12 02:55:19,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-12 02:55:19,038 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:55:19,039 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:55:19,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 02:55:19,040 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:55:19,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:55:19,040 INFO L85 PathProgramCache]: Analyzing trace with hash -2125200313, now seen corresponding path program 1 times [2024-11-12 02:55:19,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:55:19,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832467602] [2024-11-12 02:55:19,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:55:19,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:55:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:55:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:55:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 02:55:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:55:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 02:55:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 02:55:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 02:55:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 02:55:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 02:55:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 02:55:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 02:55:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 02:55:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:55:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-12 02:55:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:55:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:55:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:55:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:55:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:55:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:55:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:55:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:55:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:55:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:55:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:55:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:55:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:55:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:55:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:55:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:55:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:55:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:55:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:55:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:55:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:55:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:55:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:19,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-12 02:55:19,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:55:19,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832467602] [2024-11-12 02:55:19,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832467602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:55:19,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:55:19,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 02:55:19,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190925968] [2024-11-12 02:55:19,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:55:19,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 02:55:19,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:55:19,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 02:55:19,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:55:19,498 INFO L87 Difference]: Start difference. First operand 415 states and 654 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-12 02:55:19,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:55:19,765 INFO L93 Difference]: Finished difference Result 1177 states and 1857 transitions. [2024-11-12 02:55:19,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 02:55:19,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 229 [2024-11-12 02:55:19,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:55:19,775 INFO L225 Difference]: With dead ends: 1177 [2024-11-12 02:55:19,775 INFO L226 Difference]: Without dead ends: 836 [2024-11-12 02:55:19,776 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 02:55:19,777 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 167 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 02:55:19,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 521 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 02:55:19,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2024-11-12 02:55:19,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 808. [2024-11-12 02:55:19,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 640 states have (on average 1.4984375) internal successors, (959), 646 states have internal predecessors, (959), 156 states have call successors, (156), 11 states have call predecessors, (156), 11 states have return successors, (156), 150 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-12 02:55:19,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1271 transitions. [2024-11-12 02:55:19,847 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1271 transitions. Word has length 229 [2024-11-12 02:55:19,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:55:19,848 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1271 transitions. [2024-11-12 02:55:19,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-12 02:55:19,849 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1271 transitions. [2024-11-12 02:55:19,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-12 02:55:19,851 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:55:19,851 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:55:19,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 02:55:19,852 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:55:19,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:55:19,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1235473261, now seen corresponding path program 1 times [2024-11-12 02:55:19,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:55:19,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893811115] [2024-11-12 02:55:19,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:55:19,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:55:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 02:55:20,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [941072635] [2024-11-12 02:55:20,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:55:20,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 02:55:20,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 02:55:20,023 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 02:55:20,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 02:55:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:20,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 02:55:20,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 02:55:24,941 WARN L873 $PredicateComparison]: unable to prove that (or (exists ((~var_1_4~0 Int)) (and (<= ~var_1_4~0 c_~var_1_3~0) (<= 1 (mod (div 8 ~var_1_4~0) 4294967296)) (<= (+ ~var_1_4~0 1) 0))) (exists ((~var_1_4~0 Int)) (and (<= ~var_1_4~0 c_~var_1_3~0) (<= 1 (mod (div 8 ~var_1_4~0) 4294967296)) (<= 0 ~var_1_4~0))) (< 0 (mod (div 8 c_~var_1_3~0) 4294967296))) is different from true [2024-11-12 02:55:27,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-12 02:55:27,681 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 02:55:27,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:55:27,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893811115] [2024-11-12 02:55:27,682 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 02:55:27,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941072635] [2024-11-12 02:55:27,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941072635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:55:27,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:55:27,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 02:55:27,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648423664] [2024-11-12 02:55:27,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:55:27,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 02:55:27,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:55:27,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 02:55:27,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2024-11-12 02:55:27,685 INFO L87 Difference]: Start difference. First operand 808 states and 1271 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-12 02:55:36,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-12 02:55:41,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-12 02:55:41,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:55:41,422 INFO L93 Difference]: Finished difference Result 1913 states and 3011 transitions. [2024-11-12 02:55:41,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 02:55:41,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 231 [2024-11-12 02:55:41,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:55:41,434 INFO L225 Difference]: With dead ends: 1913 [2024-11-12 02:55:41,435 INFO L226 Difference]: Without dead ends: 1669 [2024-11-12 02:55:41,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=25, Invalid=33, Unknown=2, NotChecked=12, Total=72 [2024-11-12 02:55:41,440 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 220 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 73 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 409 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2024-11-12 02:55:41,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 705 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 54 Invalid, 2 Unknown, 409 Unchecked, 8.8s Time] [2024-11-12 02:55:41,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2024-11-12 02:55:41,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1498. [2024-11-12 02:55:41,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1498 states, 1202 states have (on average 1.5074875207986689) internal successors, (1812), 1214 states have internal predecessors, (1812), 276 states have call successors, (276), 19 states have call predecessors, (276), 19 states have return successors, (276), 264 states have call predecessors, (276), 276 states have call successors, (276) [2024-11-12 02:55:41,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1498 states and 2364 transitions. [2024-11-12 02:55:41,554 INFO L78 Accepts]: Start accepts. Automaton has 1498 states and 2364 transitions. Word has length 231 [2024-11-12 02:55:41,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:55:41,554 INFO L471 AbstractCegarLoop]: Abstraction has 1498 states and 2364 transitions. [2024-11-12 02:55:41,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-12 02:55:41,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 2364 transitions. [2024-11-12 02:55:41,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-12 02:55:41,559 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:55:41,559 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:55:41,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 02:55:41,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-12 02:55:41,760 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:55:41,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:55:41,761 INFO L85 PathProgramCache]: Analyzing trace with hash -977307823, now seen corresponding path program 1 times [2024-11-12 02:55:41,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:55:41,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491876489] [2024-11-12 02:55:41,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:55:41,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:55:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 02:55:41,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [26063648] [2024-11-12 02:55:41,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:55:41,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 02:55:41,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 02:55:41,892 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 02:55:41,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 02:55:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:55:42,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-12 02:55:42,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 02:55:51,159 WARN L873 $PredicateComparison]: unable to prove that (or (< 4294967264 (mod (div 8 c_~var_1_3~0) 4294967296)) (exists ((~var_1_4~0 Int)) (and (<= ~var_1_4~0 c_~var_1_3~0) (<= 0 ~var_1_4~0) (<= 4294967265 (mod (div 8 ~var_1_4~0) 4294967296)))) (exists ((~var_1_4~0 Int)) (and (<= ~var_1_4~0 c_~var_1_3~0) (<= 4294967265 (mod (div 8 ~var_1_4~0) 4294967296)) (<= (+ ~var_1_4~0 1) 0)))) is different from true [2024-11-12 02:55:53,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-12 02:55:53,223 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 02:55:53,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:55:53,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491876489] [2024-11-12 02:55:53,223 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 02:55:53,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26063648] [2024-11-12 02:55:53,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26063648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:55:53,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:55:53,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 02:55:53,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894365769] [2024-11-12 02:55:53,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:55:53,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 02:55:53,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:55:53,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 02:55:53,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=31, Unknown=1, NotChecked=10, Total=56 [2024-11-12 02:55:53,229 INFO L87 Difference]: Start difference. First operand 1498 states and 2364 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-12 02:56:10,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-12 02:56:15,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-12 02:56:15,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:56:15,999 INFO L93 Difference]: Finished difference Result 2082 states and 3247 transitions. [2024-11-12 02:56:16,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 02:56:16,000 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 231 [2024-11-12 02:56:16,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:56:16,012 INFO L225 Difference]: With dead ends: 2082 [2024-11-12 02:56:16,013 INFO L226 Difference]: Without dead ends: 1587 [2024-11-12 02:56:16,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 17.7s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=4, NotChecked=18, Total=132 [2024-11-12 02:56:16,016 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 101 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 73 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 348 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2024-11-12 02:56:16,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 915 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 192 Invalid, 2 Unknown, 348 Unchecked, 9.4s Time] [2024-11-12 02:56:16,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2024-11-12 02:56:16,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 1498. [2024-11-12 02:56:16,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1498 states, 1202 states have (on average 1.5074875207986689) internal successors, (1812), 1214 states have internal predecessors, (1812), 276 states have call successors, (276), 19 states have call predecessors, (276), 19 states have return successors, (276), 264 states have call predecessors, (276), 276 states have call successors, (276) [2024-11-12 02:56:16,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1498 states and 2364 transitions. [2024-11-12 02:56:16,135 INFO L78 Accepts]: Start accepts. Automaton has 1498 states and 2364 transitions. Word has length 231 [2024-11-12 02:56:16,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:56:16,136 INFO L471 AbstractCegarLoop]: Abstraction has 1498 states and 2364 transitions. [2024-11-12 02:56:16,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-12 02:56:16,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 2364 transitions. [2024-11-12 02:56:16,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-12 02:56:16,139 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:56:16,139 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:56:16,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 02:56:16,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-12 02:56:16,340 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:56:16,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:56:16,341 INFO L85 PathProgramCache]: Analyzing trace with hash 2048376785, now seen corresponding path program 1 times [2024-11-12 02:56:16,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:56:16,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881426278] [2024-11-12 02:56:16,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:56:16,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:56:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:56:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:56:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 02:56:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:56:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 02:56:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 02:56:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 02:56:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 02:56:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 02:56:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 02:56:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 02:56:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 02:56:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:56:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-12 02:56:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:56:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:56:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:56:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:56:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:56:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:56:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:56:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:56:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:56:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:56:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:56:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:56:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:56:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:56:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:56:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:56:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:56:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:56:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:56:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:56:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 02:56:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 02:56:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 60 proven. 45 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2024-11-12 02:56:16,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:56:16,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881426278] [2024-11-12 02:56:16,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881426278] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 02:56:16,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423723880] [2024-11-12 02:56:16,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:56:16,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 02:56:16,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 02:56:16,749 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 02:56:16,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 02:56:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:16,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 02:56:16,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 02:56:18,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1275 proven. 45 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-12 02:56:18,077 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 02:56:19,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 60 proven. 45 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2024-11-12 02:56:19,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423723880] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 02:56:19,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 02:56:19,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-12 02:56:19,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311883220] [2024-11-12 02:56:19,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 02:56:19,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 02:56:19,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:56:19,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 02:56:19,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 02:56:19,043 INFO L87 Difference]: Start difference. First operand 1498 states and 2364 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-12 02:56:20,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:56:20,402 INFO L93 Difference]: Finished difference Result 2834 states and 4436 transitions. [2024-11-12 02:56:20,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 02:56:20,403 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 231 [2024-11-12 02:56:20,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:56:20,412 INFO L225 Difference]: With dead ends: 2834 [2024-11-12 02:56:20,413 INFO L226 Difference]: Without dead ends: 1540 [2024-11-12 02:56:20,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 530 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-12 02:56:20,417 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 159 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 02:56:20,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 381 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 02:56:20,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2024-11-12 02:56:20,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1518. [2024-11-12 02:56:20,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1518 states, 1217 states have (on average 1.4691865242399342) internal successors, (1788), 1229 states have internal predecessors, (1788), 276 states have call successors, (276), 24 states have call predecessors, (276), 24 states have return successors, (276), 264 states have call predecessors, (276), 276 states have call successors, (276) [2024-11-12 02:56:20,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 2340 transitions. [2024-11-12 02:56:20,528 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 2340 transitions. Word has length 231 [2024-11-12 02:56:20,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:56:20,529 INFO L471 AbstractCegarLoop]: Abstraction has 1518 states and 2340 transitions. [2024-11-12 02:56:20,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-12 02:56:20,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 2340 transitions. [2024-11-12 02:56:20,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-12 02:56:20,532 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:56:20,532 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:56:20,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 02:56:20,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 02:56:20,733 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:56:20,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:56:20,734 INFO L85 PathProgramCache]: Analyzing trace with hash -214404907, now seen corresponding path program 1 times [2024-11-12 02:56:20,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:56:20,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467349038] [2024-11-12 02:56:20,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:56:20,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:56:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 02:56:20,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [630754862] [2024-11-12 02:56:20,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:56:20,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 02:56:20,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 02:56:20,837 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 02:56:20,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 02:56:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:21,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 02:56:21,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 02:56:26,526 WARN L873 $PredicateComparison]: unable to prove that (or (< 1 (mod (div 8 c_~var_1_3~0) 4294967296)) (exists ((~var_1_4~0 Int)) (and (<= ~var_1_4~0 c_~var_1_3~0) (<= 2 (mod (div 8 ~var_1_4~0) 4294967296)) (<= (+ ~var_1_4~0 1) 0))) (exists ((~var_1_4~0 Int)) (and (<= ~var_1_4~0 c_~var_1_3~0) (<= 0 ~var_1_4~0) (<= 2 (mod (div 8 ~var_1_4~0) 4294967296))))) is different from true [2024-11-12 02:56:28,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-12 02:56:28,959 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 02:56:28,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:56:28,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467349038] [2024-11-12 02:56:28,959 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 02:56:28,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630754862] [2024-11-12 02:56:28,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630754862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:56:28,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:56:28,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 02:56:28,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486593918] [2024-11-12 02:56:28,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:56:28,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 02:56:28,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:56:28,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 02:56:28,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=30, Unknown=1, NotChecked=10, Total=56 [2024-11-12 02:56:28,962 INFO L87 Difference]: Start difference. First operand 1518 states and 2340 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2024-11-12 02:56:33,782 WARN L873 $PredicateComparison]: unable to prove that (and (not (= (mod c_~last_1_var_1_1~0 4294967296) 0)) (= c_~var_1_14~0 8) (or (< 1 (mod (div 8 c_~var_1_3~0) 4294967296)) (exists ((~var_1_4~0 Int)) (and (<= ~var_1_4~0 c_~var_1_3~0) (<= 2 (mod (div 8 ~var_1_4~0) 4294967296)) (<= (+ ~var_1_4~0 1) 0))) (exists ((~var_1_4~0 Int)) (and (<= ~var_1_4~0 c_~var_1_3~0) (<= 0 ~var_1_4~0) (<= 2 (mod (div 8 ~var_1_4~0) 4294967296))))) (= c_~last_1_var_1_14~0 8)) is different from true [2024-11-12 02:56:38,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-12 02:56:42,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]