./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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-pr-co_file-9.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 6dd6d776f9e66c8cc025ab32529fca2ff2ccbfe84cc1f436072541a4cb2f09b4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 21:12:48,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 21:12:48,998 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 21:12:49,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 21:12:49,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 21:12:49,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 21:12:49,030 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 21:12:49,030 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 21:12:49,031 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 21:12:49,031 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 21:12:49,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 21:12:49,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 21:12:49,035 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 21:12:49,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 21:12:49,037 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 21:12:49,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 21:12:49,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 21:12:49,038 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 21:12:49,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 21:12:49,039 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 21:12:49,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 21:12:49,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 21:12:49,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 21:12:49,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 21:12:49,043 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 21:12:49,043 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 21:12:49,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 21:12:49,044 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 21:12:49,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 21:12:49,044 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 21:12:49,045 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 21:12:49,045 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 21:12:49,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 21:12:49,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 21:12:49,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 21:12:49,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 21:12:49,046 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 21:12:49,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 21:12:49,047 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 21:12:49,047 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 21:12:49,047 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 21:12:49,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 21:12:49,048 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd6d776f9e66c8cc025ab32529fca2ff2ccbfe84cc1f436072541a4cb2f09b4 [2024-11-18 21:12:49,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 21:12:49,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 21:12:49,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 21:12:49,347 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 21:12:49,348 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 21:12:49,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-9.i [2024-11-18 21:12:50,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 21:12:51,103 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 21:12:51,111 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-9.i [2024-11-18 21:12:51,123 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2870f70b/b3887879795d4e5b99daf967c4a56ff5/FLAGce9455efb [2024-11-18 21:12:51,136 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2870f70b/b3887879795d4e5b99daf967c4a56ff5 [2024-11-18 21:12:51,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 21:12:51,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 21:12:51,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 21:12:51,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 21:12:51,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 21:12:51,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:12:51" (1/1) ... [2024-11-18 21:12:51,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1586fb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:12:51, skipping insertion in model container [2024-11-18 21:12:51,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:12:51" (1/1) ... [2024-11-18 21:12:51,187 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 21:12:51,432 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-pr-co_file-9.i[918,931] [2024-11-18 21:12:51,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 21:12:51,541 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 21:12:51,553 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-pr-co_file-9.i[918,931] [2024-11-18 21:12:51,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 21:12:51,627 INFO L204 MainTranslator]: Completed translation [2024-11-18 21:12:51,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:12:51 WrapperNode [2024-11-18 21:12:51,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 21:12:51,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 21:12:51,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 21:12:51,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 21:12:51,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:12:51" (1/1) ... [2024-11-18 21:12:51,656 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:12:51" (1/1) ... [2024-11-18 21:12:51,705 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 268 [2024-11-18 21:12:51,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 21:12:51,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 21:12:51,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 21:12:51,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 21:12:51,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:12:51" (1/1) ... [2024-11-18 21:12:51,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:12:51" (1/1) ... [2024-11-18 21:12:51,720 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:12:51" (1/1) ... [2024-11-18 21:12:51,738 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]. [2024-11-18 21:12:51,741 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:12:51" (1/1) ... [2024-11-18 21:12:51,741 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:12:51" (1/1) ... [2024-11-18 21:12:51,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:12:51" (1/1) ... [2024-11-18 21:12:51,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:12:51" (1/1) ... [2024-11-18 21:12:51,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:12:51" (1/1) ... [2024-11-18 21:12:51,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:12:51" (1/1) ... [2024-11-18 21:12:51,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 21:12:51,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 21:12:51,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 21:12:51,793 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 21:12:51,794 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:12:51" (1/1) ... [2024-11-18 21:12:51,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 21:12:51,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 21:12:51,827 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) [2024-11-18 21:12:51,829 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 [2024-11-18 21:12:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 21:12:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 21:12:51,865 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 21:12:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 21:12:51,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 21:12:51,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 21:12:51,936 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 21:12:51,938 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 21:12:52,410 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-18 21:12:52,410 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 21:12:52,434 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 21:12:52,435 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 21:12:52,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:12:52 BoogieIcfgContainer [2024-11-18 21:12:52,435 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 21:12:52,438 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 21:12:52,439 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 21:12:52,442 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 21:12:52,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:12:51" (1/3) ... [2024-11-18 21:12:52,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6159619b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:12:52, skipping insertion in model container [2024-11-18 21:12:52,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:12:51" (2/3) ... [2024-11-18 21:12:52,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6159619b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:12:52, skipping insertion in model container [2024-11-18 21:12:52,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:12:52" (3/3) ... [2024-11-18 21:12:52,446 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-9.i [2024-11-18 21:12:52,462 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 21:12:52,463 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 21:12:52,532 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 21:12:52,539 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;@16126ed4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 21:12:52,539 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 21:12:52,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 83 states have internal predecessors, (120), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-18 21:12:52,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-18 21:12:52,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:12:52,567 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:12:52,568 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:12:52,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:12:52,577 INFO L85 PathProgramCache]: Analyzing trace with hash -2084034838, now seen corresponding path program 1 times [2024-11-18 21:12:52,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:12:52,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074017402] [2024-11-18 21:12:52,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:12:52,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:12:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:12:53,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-18 21:12:53,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 21:12:53,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074017402] [2024-11-18 21:12:53,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074017402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 21:12:53,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 21:12:53,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 21:12:53,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736265518] [2024-11-18 21:12:53,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:12:53,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 21:12:53,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 21:12:53,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 21:12:53,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 21:12:53,385 INFO L87 Difference]: Start difference. First operand has 118 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 83 states have internal predecessors, (120), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:12:53,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:12:53,436 INFO L93 Difference]: Finished difference Result 229 states and 399 transitions. [2024-11-18 21:12:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 21:12:53,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 214 [2024-11-18 21:12:53,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:12:53,453 INFO L225 Difference]: With dead ends: 229 [2024-11-18 21:12:53,453 INFO L226 Difference]: Without dead ends: 114 [2024-11-18 21:12:53,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 21:12:53,460 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 21:12:53,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 343 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 21:12:53,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-18 21:12:53,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-18 21:12:53,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 79 states have (on average 1.3924050632911393) internal successors, (110), 79 states have internal predecessors, (110), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-18 21:12:53,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 176 transitions. [2024-11-18 21:12:53,514 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 176 transitions. Word has length 214 [2024-11-18 21:12:53,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:12:53,516 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 176 transitions. [2024-11-18 21:12:53,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:12:53,517 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 176 transitions. [2024-11-18 21:12:53,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-18 21:12:53,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:12:53,521 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:12:53,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 21:12:53,522 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:12:53,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:12:53,523 INFO L85 PathProgramCache]: Analyzing trace with hash 780207851, now seen corresponding path program 1 times [2024-11-18 21:12:53,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:12:53,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564578435] [2024-11-18 21:12:53,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:12:53,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:12:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:12:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 33 proven. 63 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2024-11-18 21:12:56,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 21:12:56,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564578435] [2024-11-18 21:12:56,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564578435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 21:12:56,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71553610] [2024-11-18 21:12:56,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:12:56,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:12:56,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 21:12:56,627 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) [2024-11-18 21:12:56,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 21:12:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:12:57,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-18 21:12:57,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 21:12:57,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1016 proven. 60 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2024-11-18 21:12:57,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 21:12:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-18 21:12:59,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71553610] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-18 21:12:59,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-18 21:12:59,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 11] total 21 [2024-11-18 21:12:59,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674176758] [2024-11-18 21:12:59,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:12:59,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 21:12:59,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 21:12:59,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 21:12:59,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2024-11-18 21:12:59,511 INFO L87 Difference]: Start difference. First operand 114 states and 176 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:02,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:13:02,781 INFO L93 Difference]: Finished difference Result 456 states and 707 transitions. [2024-11-18 21:13:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-18 21:13:02,781 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-18 21:13:02,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:13:02,786 INFO L225 Difference]: With dead ends: 456 [2024-11-18 21:13:02,786 INFO L226 Difference]: Without dead ends: 345 [2024-11-18 21:13:02,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=133, Invalid=467, Unknown=0, NotChecked=0, Total=600 [2024-11-18 21:13:02,789 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 435 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 1067 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-18 21:13:02,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 1067 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-18 21:13:02,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-18 21:13:02,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 255. [2024-11-18 21:13:02,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 214 states have (on average 1.52803738317757) internal successors, (327), 215 states have internal predecessors, (327), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-18 21:13:02,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 403 transitions. [2024-11-18 21:13:02,827 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 403 transitions. Word has length 215 [2024-11-18 21:13:02,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:13:02,828 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 403 transitions. [2024-11-18 21:13:02,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:02,829 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 403 transitions. [2024-11-18 21:13:02,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-18 21:13:02,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:13:02,832 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:13:02,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 21:13:03,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:13:03,034 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:13:03,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:13:03,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1096308458, now seen corresponding path program 1 times [2024-11-18 21:13:03,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:13:03,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866698069] [2024-11-18 21:13:03,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:03,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:13:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:13:06,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 33 proven. 63 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2024-11-18 21:13:06,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 21:13:06,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866698069] [2024-11-18 21:13:06,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866698069] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 21:13:06,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081013772] [2024-11-18 21:13:06,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:06,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:13:06,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 21:13:06,855 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) [2024-11-18 21:13:06,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 21:13:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:13:06,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-18 21:13:06,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 21:13:07,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 480 proven. 96 refuted. 0 times theorem prover too weak. 1536 trivial. 0 not checked. [2024-11-18 21:13:07,491 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 21:13:07,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2024-11-18 21:13:07,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081013772] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 21:13:07,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 21:13:07,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 19 [2024-11-18 21:13:07,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766153038] [2024-11-18 21:13:07,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 21:13:07,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-18 21:13:07,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 21:13:07,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-18 21:13:07,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2024-11-18 21:13:07,811 INFO L87 Difference]: Start difference. First operand 255 states and 403 transitions. Second operand has 19 states, 19 states have (on average 6.894736842105263) internal successors, (131), 19 states have internal predecessors, (131), 7 states have call successors, (98), 3 states have call predecessors, (98), 5 states have return successors, (99), 6 states have call predecessors, (99), 7 states have call successors, (99) [2024-11-18 21:13:09,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:13:09,928 INFO L93 Difference]: Finished difference Result 637 states and 996 transitions. [2024-11-18 21:13:09,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 21:13:09,929 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.894736842105263) internal successors, (131), 19 states have internal predecessors, (131), 7 states have call successors, (98), 3 states have call predecessors, (98), 5 states have return successors, (99), 6 states have call predecessors, (99), 7 states have call successors, (99) Word has length 215 [2024-11-18 21:13:09,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:13:09,934 INFO L225 Difference]: With dead ends: 637 [2024-11-18 21:13:09,934 INFO L226 Difference]: Without dead ends: 385 [2024-11-18 21:13:09,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 427 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=152, Invalid=550, Unknown=0, NotChecked=0, Total=702 [2024-11-18 21:13:09,939 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 1166 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-18 21:13:09,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 572 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 835 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-18 21:13:09,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-18 21:13:09,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 263. [2024-11-18 21:13:09,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 220 states have (on average 1.490909090909091) internal successors, (328), 221 states have internal predecessors, (328), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-18 21:13:09,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 404 transitions. [2024-11-18 21:13:09,982 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 404 transitions. Word has length 215 [2024-11-18 21:13:09,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:13:09,984 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 404 transitions. [2024-11-18 21:13:09,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.894736842105263) internal successors, (131), 19 states have internal predecessors, (131), 7 states have call successors, (98), 3 states have call predecessors, (98), 5 states have return successors, (99), 6 states have call predecessors, (99), 7 states have call successors, (99) [2024-11-18 21:13:09,985 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 404 transitions. [2024-11-18 21:13:09,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-18 21:13:09,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:13:09,989 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:13:10,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-18 21:13:10,190 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,SelfDestructingSolverStorable2 [2024-11-18 21:13:10,191 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:13:10,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:13:10,191 INFO L85 PathProgramCache]: Analyzing trace with hash -877453740, now seen corresponding path program 1 times [2024-11-18 21:13:10,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:13:10,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756509674] [2024-11-18 21:13:10,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:10,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:13:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:13:12,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 33 proven. 63 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2024-11-18 21:13:12,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 21:13:12,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756509674] [2024-11-18 21:13:12,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756509674] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 21:13:12,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413002867] [2024-11-18 21:13:12,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:12,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:13:12,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 21:13:12,540 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) [2024-11-18 21:13:12,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-18 21:13:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:13:12,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-18 21:13:12,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 21:13:13,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1016 proven. 60 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2024-11-18 21:13:13,212 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 21:13:14,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-18 21:13:14,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413002867] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-18 21:13:14,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-18 21:13:14,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 11] total 21 [2024-11-18 21:13:14,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037567518] [2024-11-18 21:13:14,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:13:14,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 21:13:14,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 21:13:14,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 21:13:14,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2024-11-18 21:13:14,263 INFO L87 Difference]: Start difference. First operand 263 states and 404 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:16,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:13:16,080 INFO L93 Difference]: Finished difference Result 787 states and 1200 transitions. [2024-11-18 21:13:16,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-18 21:13:16,081 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-18 21:13:16,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:13:16,085 INFO L225 Difference]: With dead ends: 787 [2024-11-18 21:13:16,085 INFO L226 Difference]: Without dead ends: 527 [2024-11-18 21:13:16,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=129, Invalid=471, Unknown=0, NotChecked=0, Total=600 [2024-11-18 21:13:16,087 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 563 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-18 21:13:16,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 815 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-18 21:13:16,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2024-11-18 21:13:16,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 262. [2024-11-18 21:13:16,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 219 states have (on average 1.4840182648401827) internal successors, (325), 220 states have internal predecessors, (325), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-18 21:13:16,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 401 transitions. [2024-11-18 21:13:16,116 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 401 transitions. Word has length 215 [2024-11-18 21:13:16,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:13:16,117 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 401 transitions. [2024-11-18 21:13:16,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:16,118 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 401 transitions. [2024-11-18 21:13:16,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-18 21:13:16,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:13:16,121 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:13:16,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-18 21:13:16,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:13:16,322 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:13:16,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:13:16,323 INFO L85 PathProgramCache]: Analyzing trace with hash 920756461, now seen corresponding path program 1 times [2024-11-18 21:13:16,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:13:16,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527521870] [2024-11-18 21:13:16,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:16,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:13:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:13:19,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 33 proven. 63 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2024-11-18 21:13:19,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 21:13:19,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527521870] [2024-11-18 21:13:19,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527521870] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 21:13:19,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834643234] [2024-11-18 21:13:19,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:19,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:13:19,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 21:13:19,090 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) [2024-11-18 21:13:19,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-18 21:13:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:13:19,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-18 21:13:19,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 21:13:19,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-18 21:13:19,467 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 21:13:19,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834643234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 21:13:19,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 21:13:19,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 13 [2024-11-18 21:13:19,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507699339] [2024-11-18 21:13:19,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:13:19,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 21:13:19,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 21:13:19,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 21:13:19,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-18 21:13:19,470 INFO L87 Difference]: Start difference. First operand 262 states and 401 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:19,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:13:19,781 INFO L93 Difference]: Finished difference Result 631 states and 959 transitions. [2024-11-18 21:13:19,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-18 21:13:19,782 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-18 21:13:19,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:13:19,785 INFO L225 Difference]: With dead ends: 631 [2024-11-18 21:13:19,785 INFO L226 Difference]: Without dead ends: 372 [2024-11-18 21:13:19,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-18 21:13:19,787 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 155 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 21:13:19,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 800 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 21:13:19,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-11-18 21:13:19,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 221. [2024-11-18 21:13:19,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 178 states have (on average 1.449438202247191) internal successors, (258), 179 states have internal predecessors, (258), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-18 21:13:19,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 334 transitions. [2024-11-18 21:13:19,805 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 334 transitions. Word has length 215 [2024-11-18 21:13:19,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:13:19,806 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 334 transitions. [2024-11-18 21:13:19,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:19,807 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 334 transitions. [2024-11-18 21:13:19,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-18 21:13:19,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:13:19,809 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:13:19,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-18 21:13:20,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:13:20,014 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:13:20,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:13:20,014 INFO L85 PathProgramCache]: Analyzing trace with hash 270734761, now seen corresponding path program 1 times [2024-11-18 21:13:20,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:13:20,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701140929] [2024-11-18 21:13:20,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:20,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:13:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:13:21,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 33 proven. 63 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2024-11-18 21:13:21,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 21:13:21,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701140929] [2024-11-18 21:13:21,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701140929] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 21:13:21,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147041540] [2024-11-18 21:13:21,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:21,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:13:21,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 21:13:21,104 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 21:13:21,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-18 21:13:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:13:21,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-18 21:13:21,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 21:13:21,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1016 proven. 60 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2024-11-18 21:13:21,986 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 21:13:22,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-18 21:13:22,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147041540] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-18 21:13:22,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-18 21:13:22,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 11] total 21 [2024-11-18 21:13:22,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734117078] [2024-11-18 21:13:22,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:13:22,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 21:13:22,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 21:13:22,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 21:13:22,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2024-11-18 21:13:22,959 INFO L87 Difference]: Start difference. First operand 221 states and 334 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:23,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:13:23,706 INFO L93 Difference]: Finished difference Result 655 states and 993 transitions. [2024-11-18 21:13:23,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-18 21:13:23,708 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-18 21:13:23,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:13:23,711 INFO L225 Difference]: With dead ends: 655 [2024-11-18 21:13:23,711 INFO L226 Difference]: Without dead ends: 437 [2024-11-18 21:13:23,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 421 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=133, Invalid=467, Unknown=0, NotChecked=0, Total=600 [2024-11-18 21:13:23,713 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 311 mSDsluCounter, 1099 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 1350 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 21:13:23,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 1350 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 21:13:23,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-18 21:13:23,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 259. [2024-11-18 21:13:23,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 216 states have (on average 1.4814814814814814) internal successors, (320), 217 states have internal predecessors, (320), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-18 21:13:23,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 396 transitions. [2024-11-18 21:13:23,740 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 396 transitions. Word has length 215 [2024-11-18 21:13:23,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:13:23,743 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 396 transitions. [2024-11-18 21:13:23,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:23,743 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 396 transitions. [2024-11-18 21:13:23,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-18 21:13:23,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:13:23,745 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:13:23,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-18 21:13:23,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:13:23,946 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:13:23,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:13:23,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1386926830, now seen corresponding path program 1 times [2024-11-18 21:13:23,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:13:23,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067675701] [2024-11-18 21:13:23,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:23,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:13:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:13:25,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 33 proven. 63 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2024-11-18 21:13:25,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 21:13:25,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067675701] [2024-11-18 21:13:25,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067675701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 21:13:25,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421830385] [2024-11-18 21:13:25,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:25,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:13:25,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 21:13:25,202 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 21:13:25,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-18 21:13:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:13:25,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-18 21:13:25,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 21:13:26,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1016 proven. 60 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2024-11-18 21:13:26,107 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 21:13:27,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-18 21:13:27,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421830385] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-18 21:13:27,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-18 21:13:27,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12, 11] total 23 [2024-11-18 21:13:27,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446497815] [2024-11-18 21:13:27,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:13:27,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 21:13:27,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 21:13:27,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 21:13:27,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-11-18 21:13:27,101 INFO L87 Difference]: Start difference. First operand 259 states and 396 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:27,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:13:27,966 INFO L93 Difference]: Finished difference Result 701 states and 1065 transitions. [2024-11-18 21:13:27,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-18 21:13:27,967 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-18 21:13:27,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:13:27,972 INFO L225 Difference]: With dead ends: 701 [2024-11-18 21:13:27,974 INFO L226 Difference]: Without dead ends: 445 [2024-11-18 21:13:27,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=142, Invalid=560, Unknown=0, NotChecked=0, Total=702 [2024-11-18 21:13:27,976 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 419 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-18 21:13:27,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 1012 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-18 21:13:27,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-18 21:13:27,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 289. [2024-11-18 21:13:27,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 246 states have (on average 1.4959349593495934) internal successors, (368), 247 states have internal predecessors, (368), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-18 21:13:28,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 444 transitions. [2024-11-18 21:13:28,001 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 444 transitions. Word has length 215 [2024-11-18 21:13:28,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:13:28,004 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 444 transitions. [2024-11-18 21:13:28,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:28,004 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 444 transitions. [2024-11-18 21:13:28,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-18 21:13:28,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:13:28,006 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:13:28,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-18 21:13:28,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:13:28,207 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:13:28,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:13:28,208 INFO L85 PathProgramCache]: Analyzing trace with hash 411283371, now seen corresponding path program 1 times [2024-11-18 21:13:28,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:13:28,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117179422] [2024-11-18 21:13:28,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:28,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:13:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:13:32,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 33 proven. 63 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2024-11-18 21:13:32,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 21:13:32,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117179422] [2024-11-18 21:13:32,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117179422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 21:13:32,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015037571] [2024-11-18 21:13:32,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:32,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:13:32,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 21:13:32,477 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 21:13:32,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-18 21:13:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:13:32,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-18 21:13:32,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 21:13:33,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-18 21:13:33,525 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 21:13:33,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015037571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 21:13:33,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 21:13:33,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 24 [2024-11-18 21:13:33,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320609898] [2024-11-18 21:13:33,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:13:33,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 21:13:33,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 21:13:33,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 21:13:33,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=498, Unknown=0, NotChecked=0, Total=552 [2024-11-18 21:13:33,527 INFO L87 Difference]: Start difference. First operand 289 states and 444 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:33,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:13:33,965 INFO L93 Difference]: Finished difference Result 690 states and 1055 transitions. [2024-11-18 21:13:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-18 21:13:33,966 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-18 21:13:33,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:13:33,968 INFO L225 Difference]: With dead ends: 690 [2024-11-18 21:13:33,968 INFO L226 Difference]: Without dead ends: 404 [2024-11-18 21:13:33,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2024-11-18 21:13:33,970 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 139 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 21:13:33,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 1011 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 21:13:33,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-18 21:13:33,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 225. [2024-11-18 21:13:33,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 182 states have (on average 1.4395604395604396) internal successors, (262), 183 states have internal predecessors, (262), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-18 21:13:33,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 338 transitions. [2024-11-18 21:13:33,987 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 338 transitions. Word has length 215 [2024-11-18 21:13:33,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:13:33,987 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 338 transitions. [2024-11-18 21:13:33,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:33,988 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 338 transitions. [2024-11-18 21:13:33,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-18 21:13:33,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:13:33,989 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:13:34,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-18 21:13:34,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:13:34,194 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:13:34,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:13:34,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1906984902, now seen corresponding path program 1 times [2024-11-18 21:13:34,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:13:34,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005219908] [2024-11-18 21:13:34,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:34,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:13:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:13:34,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-18 21:13:34,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 21:13:34,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005219908] [2024-11-18 21:13:34,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005219908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 21:13:34,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 21:13:34,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 21:13:34,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874606352] [2024-11-18 21:13:34,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:13:34,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 21:13:34,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 21:13:34,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 21:13:34,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 21:13:34,261 INFO L87 Difference]: Start difference. First operand 225 states and 338 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:34,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:13:34,323 INFO L93 Difference]: Finished difference Result 577 states and 862 transitions. [2024-11-18 21:13:34,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 21:13:34,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 217 [2024-11-18 21:13:34,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:13:34,326 INFO L225 Difference]: With dead ends: 577 [2024-11-18 21:13:34,326 INFO L226 Difference]: Without dead ends: 355 [2024-11-18 21:13:34,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 21:13:34,330 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 148 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 21:13:34,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 295 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 21:13:34,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-18 21:13:34,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 260. [2024-11-18 21:13:34,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 217 states have (on average 1.4470046082949308) internal successors, (314), 218 states have internal predecessors, (314), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-18 21:13:34,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 390 transitions. [2024-11-18 21:13:34,364 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 390 transitions. Word has length 217 [2024-11-18 21:13:34,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:13:34,365 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 390 transitions. [2024-11-18 21:13:34,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:34,365 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 390 transitions. [2024-11-18 21:13:34,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-18 21:13:34,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:13:34,368 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:13:34,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-18 21:13:34,368 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:13:34,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:13:34,369 INFO L85 PathProgramCache]: Analyzing trace with hash -2086217114, now seen corresponding path program 1 times [2024-11-18 21:13:34,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:13:34,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136592331] [2024-11-18 21:13:34,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:34,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:13:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:13:35,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-18 21:13:35,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 21:13:35,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136592331] [2024-11-18 21:13:35,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136592331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 21:13:35,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 21:13:35,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 21:13:35,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215165253] [2024-11-18 21:13:35,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:13:35,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 21:13:35,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 21:13:35,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 21:13:35,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-18 21:13:35,215 INFO L87 Difference]: Start difference. First operand 260 states and 390 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:35,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:13:35,643 INFO L93 Difference]: Finished difference Result 1011 states and 1490 transitions. [2024-11-18 21:13:35,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 21:13:35,644 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 217 [2024-11-18 21:13:35,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:13:35,648 INFO L225 Difference]: With dead ends: 1011 [2024-11-18 21:13:35,648 INFO L226 Difference]: Without dead ends: 754 [2024-11-18 21:13:35,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-18 21:13:35,650 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 249 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 21:13:35,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 744 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 21:13:35,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-11-18 21:13:35,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 602. [2024-11-18 21:13:35,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 531 states have (on average 1.4576271186440677) internal successors, (774), 536 states have internal predecessors, (774), 58 states have call successors, (58), 12 states have call predecessors, (58), 12 states have return successors, (58), 53 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-18 21:13:35,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 890 transitions. [2024-11-18 21:13:35,692 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 890 transitions. Word has length 217 [2024-11-18 21:13:35,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:13:35,692 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 890 transitions. [2024-11-18 21:13:35,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:35,693 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 890 transitions. [2024-11-18 21:13:35,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-18 21:13:35,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:13:35,696 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:13:35,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-18 21:13:35,697 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:13:35,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:13:35,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1967904529, now seen corresponding path program 1 times [2024-11-18 21:13:35,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:13:35,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768528097] [2024-11-18 21:13:35,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:35,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:13:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-18 21:13:35,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [752048546] [2024-11-18 21:13:35,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:35,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:13:35,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 21:13:35,772 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 21:13:35,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-18 21:13:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:13:35,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-18 21:13:35,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 21:13:36,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 488 proven. 84 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-11-18 21:13:36,242 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 21:13:36,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 12 proven. 84 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2024-11-18 21:13:36,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 21:13:36,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768528097] [2024-11-18 21:13:36,539 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-18 21:13:36,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752048546] [2024-11-18 21:13:36,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752048546] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 21:13:36,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-18 21:13:36,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-18 21:13:36,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330031486] [2024-11-18 21:13:36,540 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-18 21:13:36,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-18 21:13:36,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 21:13:36,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-18 21:13:36,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2024-11-18 21:13:36,542 INFO L87 Difference]: Start difference. First operand 602 states and 890 transitions. Second operand has 16 states, 16 states have (on average 6.0625) internal successors, (97), 16 states have internal predecessors, (97), 3 states have call successors, (61), 2 states have call predecessors, (61), 4 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2024-11-18 21:13:37,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:13:37,741 INFO L93 Difference]: Finished difference Result 1505 states and 2145 transitions. [2024-11-18 21:13:37,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-18 21:13:37,743 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.0625) internal successors, (97), 16 states have internal predecessors, (97), 3 states have call successors, (61), 2 states have call predecessors, (61), 4 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 217 [2024-11-18 21:13:37,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:13:37,748 INFO L225 Difference]: With dead ends: 1505 [2024-11-18 21:13:37,748 INFO L226 Difference]: Without dead ends: 906 [2024-11-18 21:13:37,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 418 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=167, Invalid=483, Unknown=0, NotChecked=0, Total=650 [2024-11-18 21:13:37,751 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 344 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-18 21:13:37,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 1108 Invalid, 890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-18 21:13:37,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2024-11-18 21:13:37,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 464. [2024-11-18 21:13:37,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 405 states have (on average 1.4469135802469135) internal successors, (586), 408 states have internal predecessors, (586), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 45 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-18 21:13:37,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 682 transitions. [2024-11-18 21:13:37,792 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 682 transitions. Word has length 217 [2024-11-18 21:13:37,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:13:37,793 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 682 transitions. [2024-11-18 21:13:37,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.0625) internal successors, (97), 16 states have internal predecessors, (97), 3 states have call successors, (61), 2 states have call predecessors, (61), 4 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2024-11-18 21:13:37,793 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 682 transitions. [2024-11-18 21:13:37,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-18 21:13:37,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:13:37,796 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:13:37,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-18 21:13:37,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-18 21:13:37,997 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:13:37,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:13:37,998 INFO L85 PathProgramCache]: Analyzing trace with hash -162989080, now seen corresponding path program 1 times [2024-11-18 21:13:37,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:13:37,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351621846] [2024-11-18 21:13:37,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:37,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:13:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:13:38,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-18 21:13:38,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 21:13:38,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351621846] [2024-11-18 21:13:38,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351621846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 21:13:38,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 21:13:38,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-18 21:13:38,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567700619] [2024-11-18 21:13:38,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:13:38,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 21:13:38,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 21:13:38,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 21:13:38,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-18 21:13:38,442 INFO L87 Difference]: Start difference. First operand 464 states and 682 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:38,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:13:38,913 INFO L93 Difference]: Finished difference Result 1315 states and 1889 transitions. [2024-11-18 21:13:38,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-18 21:13:38,914 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 217 [2024-11-18 21:13:38,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:13:38,918 INFO L225 Difference]: With dead ends: 1315 [2024-11-18 21:13:38,919 INFO L226 Difference]: Without dead ends: 854 [2024-11-18 21:13:38,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-18 21:13:38,920 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 208 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 21:13:38,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 712 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 21:13:38,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2024-11-18 21:13:38,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 483. [2024-11-18 21:13:38,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 424 states have (on average 1.4575471698113207) internal successors, (618), 427 states have internal predecessors, (618), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 45 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-18 21:13:38,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 714 transitions. [2024-11-18 21:13:38,961 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 714 transitions. Word has length 217 [2024-11-18 21:13:38,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:13:38,962 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 714 transitions. [2024-11-18 21:13:38,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:38,962 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 714 transitions. [2024-11-18 21:13:38,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-18 21:13:38,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:13:38,964 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:13:38,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-18 21:13:38,964 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:13:38,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:13:38,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1129081966, now seen corresponding path program 1 times [2024-11-18 21:13:38,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:13:38,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265229444] [2024-11-18 21:13:38,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:38,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:13:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:13:39,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-18 21:13:39,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 21:13:39,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265229444] [2024-11-18 21:13:39,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265229444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 21:13:39,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 21:13:39,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-18 21:13:39,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782230731] [2024-11-18 21:13:39,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:13:39,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 21:13:39,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 21:13:39,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 21:13:39,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-18 21:13:39,355 INFO L87 Difference]: Start difference. First operand 483 states and 714 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:39,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:13:39,767 INFO L93 Difference]: Finished difference Result 1301 states and 1895 transitions. [2024-11-18 21:13:39,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 21:13:39,768 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 218 [2024-11-18 21:13:39,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:13:39,772 INFO L225 Difference]: With dead ends: 1301 [2024-11-18 21:13:39,772 INFO L226 Difference]: Without dead ends: 821 [2024-11-18 21:13:39,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-18 21:13:39,774 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 102 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 21:13:39,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 1010 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 21:13:39,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-11-18 21:13:39,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 544. [2024-11-18 21:13:39,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 485 states have (on average 1.4824742268041238) internal successors, (719), 488 states have internal predecessors, (719), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 45 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-18 21:13:39,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 815 transitions. [2024-11-18 21:13:39,815 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 815 transitions. Word has length 218 [2024-11-18 21:13:39,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:13:39,816 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 815 transitions. [2024-11-18 21:13:39,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-18 21:13:39,816 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 815 transitions. [2024-11-18 21:13:39,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-18 21:13:39,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:13:39,818 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:13:39,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-18 21:13:39,819 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:13:39,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:13:39,819 INFO L85 PathProgramCache]: Analyzing trace with hash 700982552, now seen corresponding path program 1 times [2024-11-18 21:13:39,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 21:13:39,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818544596] [2024-11-18 21:13:39,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:39,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 21:13:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-18 21:13:39,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1611570773] [2024-11-18 21:13:39,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:39,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 21:13:39,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 21:13:39,899 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 21:13:39,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-18 21:13:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 21:13:40,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 21:13:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 21:13:40,382 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 21:13:40,383 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 21:13:40,384 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 21:13:40,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-18 21:13:40,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-18 21:13:40,590 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:13:40,729 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 21:13:40,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:13:40 BoogieIcfgContainer [2024-11-18 21:13:40,733 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 21:13:40,734 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 21:13:40,734 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 21:13:40,734 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 21:13:40,735 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:12:52" (3/4) ... [2024-11-18 21:13:40,737 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 21:13:40,738 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 21:13:40,738 INFO L158 Benchmark]: Toolchain (without parser) took 49599.11ms. Allocated memory was 180.4MB in the beginning and 488.6MB in the end (delta: 308.3MB). Free memory was 108.7MB in the beginning and 252.2MB in the end (delta: -143.5MB). Peak memory consumption was 165.9MB. Max. memory is 16.1GB. [2024-11-18 21:13:40,739 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 180.4MB. Free memory is still 142.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 21:13:40,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.63ms. Allocated memory is still 180.4MB. Free memory was 108.5MB in the beginning and 142.6MB in the end (delta: -34.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-18 21:13:40,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.79ms. Allocated memory is still 180.4MB. Free memory was 141.9MB in the beginning and 138.4MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 21:13:40,740 INFO L158 Benchmark]: Boogie Preprocessor took 83.66ms. Allocated memory is still 180.4MB. Free memory was 138.4MB in the beginning and 134.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 21:13:40,740 INFO L158 Benchmark]: RCFGBuilder took 644.11ms. Allocated memory is still 180.4MB. Free memory was 134.2MB in the beginning and 102.9MB in the end (delta: 31.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-18 21:13:40,740 INFO L158 Benchmark]: TraceAbstraction took 48295.59ms. Allocated memory was 180.4MB in the beginning and 488.6MB in the end (delta: 308.3MB). Free memory was 102.1MB in the beginning and 252.2MB in the end (delta: -150.1MB). Peak memory consumption was 158.8MB. Max. memory is 16.1GB. [2024-11-18 21:13:40,741 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 488.6MB. Free memory is still 252.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 21:13:40,742 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 180.4MB. Free memory is still 142.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.63ms. Allocated memory is still 180.4MB. Free memory was 108.5MB in the beginning and 142.6MB in the end (delta: -34.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.79ms. Allocated memory is still 180.4MB. Free memory was 141.9MB in the beginning and 138.4MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.66ms. Allocated memory is still 180.4MB. Free memory was 138.4MB in the beginning and 134.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 644.11ms. Allocated memory is still 180.4MB. Free memory was 134.2MB in the beginning and 102.9MB in the end (delta: 31.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 48295.59ms. Allocated memory was 180.4MB in the beginning and 488.6MB in the end (delta: 308.3MB). Free memory was 102.1MB in the beginning and 252.2MB in the end (delta: -150.1MB). Peak memory consumption was 158.8MB. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 488.6MB. Free memory is still 252.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 186, overapproximation of shiftLeft at line 197, overapproximation of someUnaryDOUBLEoperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 197. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.5; [L23] signed short int var_1_3 = 1; [L24] signed long int var_1_5 = -64; [L25] signed char var_1_6 = 10; [L26] signed char var_1_7 = 5; [L27] double var_1_8 = 16.25; [L28] double var_1_9 = 1.8; [L29] unsigned char var_1_10 = 32; [L30] unsigned char var_1_11 = 64; [L31] unsigned short int var_1_12 = 16; [L32] unsigned long int var_1_13 = 128; [L33] unsigned char var_1_15 = 1; [L34] unsigned short int var_1_16 = 256; [L35] signed char var_1_18 = -2; [L36] unsigned long int var_1_19 = 50; [L37] unsigned char var_1_20 = 0; [L38] unsigned char var_1_21 = 0; [L39] unsigned char var_1_23 = 64; [L40] unsigned char var_1_24 = 64; [L41] unsigned char var_1_25 = 2; [L42] unsigned short int var_1_26 = 32; [L43] unsigned long int var_1_27 = 100; [L44] unsigned short int var_1_28 = 64; [L45] float var_1_30 = -0.2; [L46] float var_1_32 = -0.375; [L47] float var_1_33 = 1.4; [L48] float var_1_34 = 200.4; [L49] float var_1_35 = 1.5; [L50] unsigned char var_1_36 = 0; [L51] unsigned char last_1_var_1_10 = 32; [L52] unsigned short int last_1_var_1_12 = 16; [L53] unsigned long int last_1_var_1_13 = 128; VAL [isInitial=0, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=1, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L201] isInitial = 1 [L202] FCALL initially() [L203] COND TRUE 1 [L204] CALL updateLastVariables() [L192] last_1_var_1_10 = var_1_10 [L193] last_1_var_1_12 = var_1_12 [L194] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=1, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L204] RET updateLastVariables() [L205] CALL updateVariables() [L140] var_1_3 = __VERIFIER_nondet_short() [L141] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L141] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L142] CALL assume_abort_if_not(var_1_3 <= 8) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L142] RET assume_abort_if_not(var_1_3 <= 8) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L143] var_1_5 = __VERIFIER_nondet_long() [L144] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L144] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L145] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L145] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L146] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L146] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L147] var_1_6 = __VERIFIER_nondet_char() [L148] CALL assume_abort_if_not(var_1_6 >= 6) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L148] RET assume_abort_if_not(var_1_6 >= 6) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L149] CALL assume_abort_if_not(var_1_6 <= 12) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L149] RET assume_abort_if_not(var_1_6 <= 12) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L150] var_1_7 = __VERIFIER_nondet_char() [L151] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L151] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L152] CALL assume_abort_if_not(var_1_7 <= 6) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L152] RET assume_abort_if_not(var_1_7 <= 6) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L153] var_1_8 = __VERIFIER_nondet_double() [L154] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0, var_1_9=9/5] [L154] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0, var_1_9=9/5] [L155] var_1_9 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L156] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L157] var_1_11 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L158] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L159] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L159] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L160] var_1_15 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L161] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L162] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L162] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L163] var_1_20 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L164] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L165] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L165] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L166] var_1_21 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L167] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L168] CALL assume_abort_if_not(var_1_21 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L168] RET assume_abort_if_not(var_1_21 <= 1) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L169] var_1_24 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L170] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L171] CALL assume_abort_if_not(var_1_24 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L171] RET assume_abort_if_not(var_1_24 <= 254) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=2, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L172] var_1_25 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L173] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L174] CALL assume_abort_if_not(var_1_25 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L174] RET assume_abort_if_not(var_1_25 <= 254) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=100, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L175] var_1_27 = __VERIFIER_nondet_ulong() [L176] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L176] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L177] CALL assume_abort_if_not(var_1_27 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L177] RET assume_abort_if_not(var_1_27 <= 4294967295) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L178] CALL assume_abort_if_not(var_1_27 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L178] RET assume_abort_if_not(var_1_27 != 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L179] var_1_30 = __VERIFIER_nondet_float() [L180] CALL assume_abort_if_not((var_1_30 >= -922337.2036854776000e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854776000e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L180] RET assume_abort_if_not((var_1_30 >= -922337.2036854776000e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854776000e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L181] CALL assume_abort_if_not(var_1_30 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L181] RET assume_abort_if_not(var_1_30 != 0.0F) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L182] var_1_32 = __VERIFIER_nondet_float() [L183] CALL assume_abort_if_not((var_1_32 >= -922337.2036854776000e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L183] RET assume_abort_if_not((var_1_32 >= -922337.2036854776000e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L184] CALL assume_abort_if_not(var_1_32 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L184] RET assume_abort_if_not(var_1_32 != 0.0F) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_34=1002/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L185] var_1_34 = __VERIFIER_nondet_float() [L186] CALL assume_abort_if_not((var_1_34 >= -922337.2036854765600e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854765600e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L186] RET assume_abort_if_not((var_1_34 >= -922337.2036854765600e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854765600e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L187] var_1_36 = __VERIFIER_nondet_uchar() [L188] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L188] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L189] CALL assume_abort_if_not(var_1_36 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L189] RET assume_abort_if_not(var_1_36 <= 1) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L205] RET updateVariables() [L206] CALL step() [L57] COND TRUE ((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10 [L58] var_1_12 = var_1_6 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=12, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L60] COND FALSE !(((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12))) == (~ 16u)) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=12, var_1_12=12, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L65] var_1_33 = var_1_34 [L66] signed long int stepLocal_2 = last_1_var_1_12 + var_1_7; VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_2=16, var_1_10=32, var_1_11=12, var_1_12=12, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L67] COND TRUE var_1_6 <= stepLocal_2 [L68] var_1_10 = var_1_11 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L72] EXPR 1 << var_1_10 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L72] COND FALSE !((1 << var_1_10) != (-500 / -100)) [L79] var_1_13 = var_1_6 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=12, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L81] var_1_18 = var_1_3 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=12, var_1_15=1, var_1_16=256, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L82] COND TRUE var_1_10 <= var_1_16 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=12, var_1_15=1, var_1_16=256, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=32, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L83] COND TRUE var_1_10 <= (((((var_1_25) < (var_1_24)) ? (var_1_25) : (var_1_24))) / var_1_27) [L84] var_1_26 = ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=12, var_1_15=1, var_1_16=256, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=256, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L97] signed long int stepLocal_4 = (((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64))); [L98] unsigned char stepLocal_3 = var_1_10; VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_3=12, stepLocal_4=12, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=12, var_1_15=1, var_1_16=256, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=256, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L99] COND FALSE !((- var_1_9) <= var_1_8) [L112] var_1_16 = var_1_10 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_3=12, stepLocal_4=12, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=12, var_1_15=1, var_1_16=12, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=256, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L114] COND FALSE !((var_1_1 / var_1_30) > ((((var_1_1 / var_1_32) < 0 ) ? -(var_1_1 / var_1_32) : (var_1_1 / var_1_32)))) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_3=12, stepLocal_4=12, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=12, var_1_15=1, var_1_16=12, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=256, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L119] signed long int stepLocal_1 = (var_1_10 & 0) * var_1_5; VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_1=0, stepLocal_3=12, stepLocal_4=12, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=12, var_1_15=1, var_1_16=12, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=256, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L120] EXPR var_1_16 >> var_1_3 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_1=0, stepLocal_3=12, stepLocal_4=12, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=12, var_1_15=1, var_1_16=12, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=256, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L120] signed long int stepLocal_0 = var_1_16 >> var_1_3; [L121] COND FALSE !(stepLocal_0 == (var_1_10 / var_1_5)) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_1=0, stepLocal_3=12, stepLocal_4=12, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=12, var_1_15=1, var_1_16=12, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=256, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L128] COND TRUE var_1_20 || var_1_21 [L129] var_1_19 = ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_1=0, stepLocal_3=12, stepLocal_4=12, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=12, var_1_15=1, var_1_16=12, var_1_18=0, var_1_19=12, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=256, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L131] COND FALSE !(((256 - var_1_25) <= (var_1_16 + var_1_13)) || var_1_20) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_1=0, stepLocal_3=12, stepLocal_4=12, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=12, var_1_15=1, var_1_16=12, var_1_18=0, var_1_19=12, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=256, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L206] RET step() [L207] CALL, EXPR property() [L197] EXPR var_1_16 >> var_1_3 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=12, var_1_15=1, var_1_16=12, var_1_18=0, var_1_19=12, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=256, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L197] EXPR ((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=12, var_1_15=1, var_1_16=12, var_1_18=0, var_1_19=12, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=256, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L197] EXPR (((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=12, var_1_15=1, var_1_16=12, var_1_18=0, var_1_19=12, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=256, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L197] EXPR 1 << var_1_10 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=12, var_1_15=1, var_1_16=12, var_1_18=0, var_1_19=12, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=256, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L197] EXPR (((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=12, var_1_15=1, var_1_16=12, var_1_18=0, var_1_19=12, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=256, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L197-L198] return (((((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6)))) && (((- var_1_9) <= var_1_8) ? (var_1_15 ? ((((((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64)))) < var_1_12) ? ((var_1_13 == var_1_10) ? (var_1_16 == ((unsigned short int) var_1_11)) : 1) : (var_1_16 == ((unsigned short int) 256))) : (var_1_16 == ((unsigned short int) var_1_3))) : (var_1_16 == ((unsigned short int) var_1_10)))) && (var_1_18 == ((signed char) var_1_3)) ; [L207] RET, EXPR property() [L207] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=12, var_1_15=1, var_1_16=12, var_1_18=0, var_1_19=12, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=256, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=12, var_1_11=12, var_1_12=12, var_1_13=12, var_1_15=1, var_1_16=12, var_1_18=0, var_1_19=12, var_1_1=11/2, var_1_20=0, var_1_21=1, var_1_23=64, var_1_24=12, var_1_25=231, var_1_26=256, var_1_27=1, var_1_28=64, var_1_33=2, var_1_34=2, var_1_35=3/2, var_1_36=0, var_1_3=0, var_1_5=6, var_1_6=12, var_1_7=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 118 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 48.1s, OverallIterations: 14, TraceHistogramMax: 33, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4249 SdHoareTripleChecker+Valid, 9.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4239 mSDsluCounter, 10839 SdHoareTripleChecker+Invalid, 8.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8239 mSDsCounter, 127 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5178 IncrementalHoareTripleChecker+Invalid, 5305 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 127 mSolverCounterUnsat, 2600 mSDtfsCounter, 5178 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3185 GetRequests, 2982 SyntacticMatches, 1 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=602occurred in iteration=10, InterpolantAutomatonStates: 113, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 2478 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 30.0s InterpolantComputationTime, 4963 NumberOfCodeBlocks, 4963 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 5576 ConstructedInterpolants, 44 QuantifiedInterpolants, 30022 SizeOfPredicates, 74 NumberOfNonLiveVariables, 3831 ConjunctsInSsa, 95 ConjunctsInUnsatCore, 26 InterpolantComputations, 11 PerfectInterpolantSequences, 53871/54912 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-18 21:13:40,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-pr-co_file-9.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 6dd6d776f9e66c8cc025ab32529fca2ff2ccbfe84cc1f436072541a4cb2f09b4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 21:13:42,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 21:13:43,024 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 21:13:43,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 21:13:43,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 21:13:43,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 21:13:43,066 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 21:13:43,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 21:13:43,067 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 21:13:43,068 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 21:13:43,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 21:13:43,068 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 21:13:43,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 21:13:43,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 21:13:43,071 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 21:13:43,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 21:13:43,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 21:13:43,072 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 21:13:43,073 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 21:13:43,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 21:13:43,073 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 21:13:43,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 21:13:43,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 21:13:43,077 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 21:13:43,078 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 21:13:43,078 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 21:13:43,078 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 21:13:43,078 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 21:13:43,078 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 21:13:43,078 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 21:13:43,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 21:13:43,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 21:13:43,079 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 21:13:43,079 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 21:13:43,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 21:13:43,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 21:13:43,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 21:13:43,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 21:13:43,082 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 21:13:43,082 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 21:13:43,082 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 21:13:43,083 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 21:13:43,083 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 21:13:43,084 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 21:13:43,084 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd6d776f9e66c8cc025ab32529fca2ff2ccbfe84cc1f436072541a4cb2f09b4 [2024-11-18 21:13:43,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 21:13:43,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 21:13:43,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 21:13:43,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 21:13:43,435 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 21:13:43,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-9.i [2024-11-18 21:13:44,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 21:13:45,213 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 21:13:45,214 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-9.i [2024-11-18 21:13:45,230 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07bd76ca2/cb6beb6094974736b094fc1baf2c74b7/FLAG84fa5cc59 [2024-11-18 21:13:45,245 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07bd76ca2/cb6beb6094974736b094fc1baf2c74b7 [2024-11-18 21:13:45,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 21:13:45,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 21:13:45,251 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 21:13:45,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 21:13:45,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 21:13:45,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:13:45" (1/1) ... [2024-11-18 21:13:45,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe014d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:45, skipping insertion in model container [2024-11-18 21:13:45,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:13:45" (1/1) ... [2024-11-18 21:13:45,293 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 21:13:45,499 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-pr-co_file-9.i[918,931] [2024-11-18 21:13:45,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 21:13:45,608 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 21:13:45,620 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-pr-co_file-9.i[918,931] [2024-11-18 21:13:45,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 21:13:45,694 INFO L204 MainTranslator]: Completed translation [2024-11-18 21:13:45,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:45 WrapperNode [2024-11-18 21:13:45,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 21:13:45,696 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 21:13:45,696 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 21:13:45,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 21:13:45,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:45" (1/1) ... [2024-11-18 21:13:45,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:45" (1/1) ... [2024-11-18 21:13:45,759 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2024-11-18 21:13:45,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 21:13:45,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 21:13:45,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 21:13:45,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 21:13:45,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:45" (1/1) ... [2024-11-18 21:13:45,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:45" (1/1) ... [2024-11-18 21:13:45,778 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:45" (1/1) ... [2024-11-18 21:13:45,801 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]. [2024-11-18 21:13:45,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:45" (1/1) ... [2024-11-18 21:13:45,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:45" (1/1) ... [2024-11-18 21:13:45,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:45" (1/1) ... [2024-11-18 21:13:45,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:45" (1/1) ... [2024-11-18 21:13:45,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:45" (1/1) ... [2024-11-18 21:13:45,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:45" (1/1) ... [2024-11-18 21:13:45,850 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 21:13:45,851 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 21:13:45,851 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 21:13:45,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 21:13:45,852 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:45" (1/1) ... [2024-11-18 21:13:45,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 21:13:45,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 21:13:45,891 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) [2024-11-18 21:13:45,893 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 [2024-11-18 21:13:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 21:13:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 21:13:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 21:13:45,929 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 21:13:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 21:13:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 21:13:46,032 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 21:13:46,035 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 21:13:55,518 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-18 21:13:55,518 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 21:13:55,532 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 21:13:55,532 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 21:13:55,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:13:55 BoogieIcfgContainer [2024-11-18 21:13:55,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 21:13:55,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 21:13:55,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 21:13:55,539 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 21:13:55,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:13:45" (1/3) ... [2024-11-18 21:13:55,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46136523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:13:55, skipping insertion in model container [2024-11-18 21:13:55,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:13:45" (2/3) ... [2024-11-18 21:13:55,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46136523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:13:55, skipping insertion in model container [2024-11-18 21:13:55,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:13:55" (3/3) ... [2024-11-18 21:13:55,543 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-9.i [2024-11-18 21:13:55,559 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 21:13:55,560 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 21:13:55,619 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 21:13:55,625 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;@5a618c13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 21:13:55,625 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 21:13:55,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 59 states have (on average 1.4576271186440677) internal successors, (86), 60 states have internal predecessors, (86), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-18 21:13:55,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-18 21:13:55,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:13:55,643 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:13:55,643 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:13:55,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:13:55,647 INFO L85 PathProgramCache]: Analyzing trace with hash -732948023, now seen corresponding path program 1 times [2024-11-18 21:13:55,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 21:13:55,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [9450804] [2024-11-18 21:13:55,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:55,660 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 21:13:55,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 21:13:55,665 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 21:13:55,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-18 21:13:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:13:57,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 21:13:57,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 21:13:57,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 764 proven. 0 refuted. 0 times theorem prover too weak. 1348 trivial. 0 not checked. [2024-11-18 21:13:57,230 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 21:13:57,231 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 21:13:57,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [9450804] [2024-11-18 21:13:57,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [9450804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 21:13:57,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 21:13:57,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 21:13:57,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709830643] [2024-11-18 21:13:57,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 21:13:57,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 21:13:57,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 21:13:57,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 21:13:57,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 21:13:57,274 INFO L87 Difference]: Start difference. First operand has 95 states, 59 states have (on average 1.4576271186440677) internal successors, (86), 60 states have internal predecessors, (86), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-18 21:13:57,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 21:13:57,316 INFO L93 Difference]: Finished difference Result 182 states and 329 transitions. [2024-11-18 21:13:57,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 21:13:57,318 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 206 [2024-11-18 21:13:57,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 21:13:57,327 INFO L225 Difference]: With dead ends: 182 [2024-11-18 21:13:57,327 INFO L226 Difference]: Without dead ends: 90 [2024-11-18 21:13:57,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 21:13:57,336 INFO L432 NwaCegarLoop]: 141 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, 141 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 [2024-11-18 21:13:57,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 21:13:57,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-18 21:13:57,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-18 21:13:57,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 55 states have internal predecessors, (75), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-18 21:13:57,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 141 transitions. [2024-11-18 21:13:57,395 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 141 transitions. Word has length 206 [2024-11-18 21:13:57,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 21:13:57,396 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 141 transitions. [2024-11-18 21:13:57,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-18 21:13:57,396 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 141 transitions. [2024-11-18 21:13:57,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-18 21:13:57,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 21:13:57,403 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 21:13:57,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-18 21:13:57,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 21:13:57,609 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 21:13:57,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 21:13:57,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1377814466, now seen corresponding path program 1 times [2024-11-18 21:13:57,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 21:13:57,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899775421] [2024-11-18 21:13:57,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 21:13:57,615 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 21:13:57,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 21:13:57,618 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 21:13:57,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-18 21:13:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 21:13:59,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-18 21:13:59,148 INFO L278 TraceCheckSpWp]: Computing forward predicates...