./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-22.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 6ea08dc62acc30bf27bdbe344366e1e3ed766f07a4fc179eccedd3ea159fdcb7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 05:38:25,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 05:38:25,344 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 05:38:25,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 05:38:25,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 05:38:25,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 05:38:25,376 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 05:38:25,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 05:38:25,377 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 05:38:25,378 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 05:38:25,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 05:38:25,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 05:38:25,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 05:38:25,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 05:38:25,381 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 05:38:25,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 05:38:25,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 05:38:25,382 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 05:38:25,384 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 05:38:25,384 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 05:38:25,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 05:38:25,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 05:38:25,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 05:38:25,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 05:38:25,385 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 05:38:25,386 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 05:38:25,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 05:38:25,386 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 05:38:25,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 05:38:25,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 05:38:25,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 05:38:25,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 05:38:25,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:38:25,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 05:38:25,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 05:38:25,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 05:38:25,388 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 05:38:25,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 05:38:25,388 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 05:38:25,389 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 05:38:25,389 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 05:38:25,390 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 05:38:25,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ea08dc62acc30bf27bdbe344366e1e3ed766f07a4fc179eccedd3ea159fdcb7 [2024-11-20 05:38:25,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 05:38:25,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 05:38:25,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 05:38:25,666 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 05:38:25,666 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 05:38:25,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-22.i [2024-11-20 05:38:26,958 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 05:38:27,125 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 05:38:27,126 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-22.i [2024-11-20 05:38:27,136 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f373120bd/1d3bfe1577034a47b7b346838f868a4c/FLAGc98c1b1f0 [2024-11-20 05:38:27,525 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f373120bd/1d3bfe1577034a47b7b346838f868a4c [2024-11-20 05:38:27,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 05:38:27,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 05:38:27,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 05:38:27,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 05:38:27,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 05:38:27,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:38:27" (1/1) ... [2024-11-20 05:38:27,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508f75fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:27, skipping insertion in model container [2024-11-20 05:38:27,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:38:27" (1/1) ... [2024-11-20 05:38:27,571 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 05:38:27,713 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_normal_file-22.i[913,926] [2024-11-20 05:38:27,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:38:27,800 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 05:38:27,812 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_normal_file-22.i[913,926] [2024-11-20 05:38:27,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:38:27,874 INFO L204 MainTranslator]: Completed translation [2024-11-20 05:38:27,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:27 WrapperNode [2024-11-20 05:38:27,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 05:38:27,876 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 05:38:27,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 05:38:27,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 05:38:27,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:27" (1/1) ... [2024-11-20 05:38:27,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:27" (1/1) ... [2024-11-20 05:38:27,938 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 164 [2024-11-20 05:38:27,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 05:38:27,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 05:38:27,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 05:38:27,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 05:38:27,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:27" (1/1) ... [2024-11-20 05:38:27,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:27" (1/1) ... [2024-11-20 05:38:27,956 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:27" (1/1) ... [2024-11-20 05:38:27,980 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]. [2024-11-20 05:38:27,981 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:27" (1/1) ... [2024-11-20 05:38:27,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:27" (1/1) ... [2024-11-20 05:38:27,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:27" (1/1) ... [2024-11-20 05:38:27,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:27" (1/1) ... [2024-11-20 05:38:28,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:27" (1/1) ... [2024-11-20 05:38:28,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:27" (1/1) ... [2024-11-20 05:38:28,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 05:38:28,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 05:38:28,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 05:38:28,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 05:38:28,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:27" (1/1) ... [2024-11-20 05:38:28,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:38:28,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 05:38:28,044 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) [2024-11-20 05:38:28,046 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 [2024-11-20 05:38:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 05:38:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 05:38:28,082 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 05:38:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 05:38:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 05:38:28,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 05:38:28,151 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 05:38:28,153 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 05:38:28,449 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-20 05:38:28,449 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 05:38:28,465 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 05:38:28,465 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 05:38:28,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:28 BoogieIcfgContainer [2024-11-20 05:38:28,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 05:38:28,467 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 05:38:28,467 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 05:38:28,471 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 05:38:28,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:38:27" (1/3) ... [2024-11-20 05:38:28,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5305fa94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:38:28, skipping insertion in model container [2024-11-20 05:38:28,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:27" (2/3) ... [2024-11-20 05:38:28,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5305fa94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:38:28, skipping insertion in model container [2024-11-20 05:38:28,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:28" (3/3) ... [2024-11-20 05:38:28,475 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-22.i [2024-11-20 05:38:28,488 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 05:38:28,488 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 05:38:28,542 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 05:38:28,547 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;@69f1bdb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 05:38:28,548 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 05:38:28,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 48 states have internal predecessors, (63), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 05:38:28,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 05:38:28,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:38:28,570 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:38:28,570 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:38:28,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:38:28,575 INFO L85 PathProgramCache]: Analyzing trace with hash -558053086, now seen corresponding path program 1 times [2024-11-20 05:38:28,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:38:28,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070660750] [2024-11-20 05:38:28,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:38:28,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:38:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:38:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:38:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:38:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:38:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:38:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:38:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:38:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:38:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:38:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:38:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:38:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:38:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:38:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:38:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:38:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:38:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:38:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:38:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:38:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 05:38:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 05:38:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 05:38:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 05:38:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:28,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 05:38:28,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:38:28,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070660750] [2024-11-20 05:38:28,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070660750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:38:28,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:38:28,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 05:38:28,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424242405] [2024-11-20 05:38:28,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:38:28,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 05:38:28,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:38:28,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 05:38:28,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:38:28,995 INFO L87 Difference]: Start difference. First operand has 73 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 48 states have internal predecessors, (63), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-20 05:38:29,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:38:29,017 INFO L93 Difference]: Finished difference Result 139 states and 235 transitions. [2024-11-20 05:38:29,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 05:38:29,019 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2024-11-20 05:38:29,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:38:29,025 INFO L225 Difference]: With dead ends: 139 [2024-11-20 05:38:29,026 INFO L226 Difference]: Without dead ends: 69 [2024-11-20 05:38:29,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:38:29,032 INFO L432 NwaCegarLoop]: 101 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, 101 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 [2024-11-20 05:38:29,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:38:29,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-20 05:38:29,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-20 05:38:29,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 44 states have (on average 1.25) internal successors, (55), 44 states have internal predecessors, (55), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 05:38:29,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 101 transitions. [2024-11-20 05:38:29,069 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 101 transitions. Word has length 151 [2024-11-20 05:38:29,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:38:29,070 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 101 transitions. [2024-11-20 05:38:29,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-20 05:38:29,070 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 101 transitions. [2024-11-20 05:38:29,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 05:38:29,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:38:29,078 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:38:29,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 05:38:29,079 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:38:29,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:38:29,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1562030936, now seen corresponding path program 1 times [2024-11-20 05:38:29,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:38:29,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256127659] [2024-11-20 05:38:29,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:38:29,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:38:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:38:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:38:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:38:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:38:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:38:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:38:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:38:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:38:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:38:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:38:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:38:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:38:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:38:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:38:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:38:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:38:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:38:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:38:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:38:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 05:38:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 05:38:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 05:38:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 05:38:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:29,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 05:38:29,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:38:29,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256127659] [2024-11-20 05:38:29,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256127659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:38:29,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:38:29,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 05:38:29,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538522299] [2024-11-20 05:38:29,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:38:29,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 05:38:29,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:38:29,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 05:38:29,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:38:29,624 INFO L87 Difference]: Start difference. First operand 69 states and 101 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 05:38:29,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:38:29,751 INFO L93 Difference]: Finished difference Result 135 states and 199 transitions. [2024-11-20 05:38:29,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 05:38:29,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 151 [2024-11-20 05:38:29,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:38:29,753 INFO L225 Difference]: With dead ends: 135 [2024-11-20 05:38:29,753 INFO L226 Difference]: Without dead ends: 69 [2024-11-20 05:38:29,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 05:38:29,755 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 88 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 05:38:29,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 96 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 05:38:29,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-20 05:38:29,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-20 05:38:29,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 44 states have internal predecessors, (54), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 05:38:29,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2024-11-20 05:38:29,769 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 151 [2024-11-20 05:38:29,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:38:29,771 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2024-11-20 05:38:29,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 05:38:29,771 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2024-11-20 05:38:29,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 05:38:29,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:38:29,773 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:38:29,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 05:38:29,773 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:38:29,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:38:29,774 INFO L85 PathProgramCache]: Analyzing trace with hash 738791654, now seen corresponding path program 1 times [2024-11-20 05:38:29,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:38:29,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671691028] [2024-11-20 05:38:29,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:38:29,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:38:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:38:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:38:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:38:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:38:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:38:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:38:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:38:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:38:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:38:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:38:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:38:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:38:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:38:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:38:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:38:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:38:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:38:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:38:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:38:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 05:38:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 05:38:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 05:38:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 05:38:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 12 proven. 54 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-20 05:38:30,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:38:30,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671691028] [2024-11-20 05:38:30,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671691028] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 05:38:30,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927510525] [2024-11-20 05:38:30,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:38:30,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 05:38:30,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 05:38:30,345 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) [2024-11-20 05:38:30,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 05:38:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:30,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-20 05:38:30,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 05:38:31,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 338 proven. 102 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-11-20 05:38:31,500 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 05:38:31,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 24 proven. 105 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2024-11-20 05:38:31,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927510525] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 05:38:31,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 05:38:31,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 11] total 24 [2024-11-20 05:38:31,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314545884] [2024-11-20 05:38:31,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 05:38:31,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-20 05:38:31,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:38:31,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-20 05:38:31,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2024-11-20 05:38:31,994 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand has 24 states, 23 states have (on average 4.565217391304348) internal successors, (105), 22 states have internal predecessors, (105), 7 states have call successors, (69), 4 states have call predecessors, (69), 8 states have return successors, (69), 7 states have call predecessors, (69), 7 states have call successors, (69) [2024-11-20 05:38:33,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:38:33,487 INFO L93 Difference]: Finished difference Result 321 states and 450 transitions. [2024-11-20 05:38:33,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-20 05:38:33,488 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.565217391304348) internal successors, (105), 22 states have internal predecessors, (105), 7 states have call successors, (69), 4 states have call predecessors, (69), 8 states have return successors, (69), 7 states have call predecessors, (69), 7 states have call successors, (69) Word has length 151 [2024-11-20 05:38:33,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:38:33,492 INFO L225 Difference]: With dead ends: 321 [2024-11-20 05:38:33,492 INFO L226 Difference]: Without dead ends: 255 [2024-11-20 05:38:33,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 792 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=705, Invalid=2265, Unknown=0, NotChecked=0, Total=2970 [2024-11-20 05:38:33,495 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 604 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 357 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 357 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 05:38:33,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 777 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [357 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 05:38:33,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-20 05:38:33,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 190. [2024-11-20 05:38:33,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 113 states have (on average 1.168141592920354) internal successors, (132), 114 states have internal predecessors, (132), 69 states have call successors, (69), 7 states have call predecessors, (69), 7 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-20 05:38:33,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 270 transitions. [2024-11-20 05:38:33,541 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 270 transitions. Word has length 151 [2024-11-20 05:38:33,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:38:33,541 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 270 transitions. [2024-11-20 05:38:33,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.565217391304348) internal successors, (105), 22 states have internal predecessors, (105), 7 states have call successors, (69), 4 states have call predecessors, (69), 8 states have return successors, (69), 7 states have call predecessors, (69), 7 states have call successors, (69) [2024-11-20 05:38:33,542 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 270 transitions. [2024-11-20 05:38:33,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 05:38:33,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:38:33,544 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:38:33,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 05:38:33,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 05:38:33,749 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:38:33,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:38:33,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1439856232, now seen corresponding path program 1 times [2024-11-20 05:38:33,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:38:33,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348769296] [2024-11-20 05:38:33,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:38:33,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:38:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 05:38:33,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 05:38:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 05:38:33,889 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 05:38:33,890 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 05:38:33,890 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 05:38:33,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 05:38:33,898 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-20 05:38:33,973 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 05:38:33,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:38:33 BoogieIcfgContainer [2024-11-20 05:38:33,975 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 05:38:33,975 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 05:38:33,975 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 05:38:33,976 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 05:38:33,976 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:28" (3/4) ... [2024-11-20 05:38:33,979 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 05:38:33,980 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 05:38:33,980 INFO L158 Benchmark]: Toolchain (without parser) took 6451.86ms. Allocated memory was 176.2MB in the beginning and 260.0MB in the end (delta: 83.9MB). Free memory was 136.0MB in the beginning and 156.7MB in the end (delta: -20.7MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2024-11-20 05:38:33,980 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 05:38:33,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.15ms. Allocated memory is still 176.2MB. Free memory was 135.5MB in the beginning and 119.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-20 05:38:33,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.92ms. Allocated memory is still 176.2MB. Free memory was 119.3MB in the beginning and 115.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 05:38:33,981 INFO L158 Benchmark]: Boogie Preprocessor took 72.33ms. Allocated memory is still 176.2MB. Free memory was 115.2MB in the beginning and 107.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 05:38:33,981 INFO L158 Benchmark]: RCFGBuilder took 454.31ms. Allocated memory is still 176.2MB. Free memory was 107.9MB in the beginning and 127.2MB in the end (delta: -19.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 05:38:33,982 INFO L158 Benchmark]: TraceAbstraction took 5507.70ms. Allocated memory was 176.2MB in the beginning and 260.0MB in the end (delta: 83.9MB). Free memory was 126.5MB in the beginning and 156.7MB in the end (delta: -30.2MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2024-11-20 05:38:33,982 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 260.0MB. Free memory is still 156.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 05:38:33,983 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.15ms. Allocated memory is still 176.2MB. Free memory was 135.5MB in the beginning and 119.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.92ms. Allocated memory is still 176.2MB. Free memory was 119.3MB in the beginning and 115.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.33ms. Allocated memory is still 176.2MB. Free memory was 115.2MB in the beginning and 107.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 454.31ms. Allocated memory is still 176.2MB. Free memory was 107.9MB in the beginning and 127.2MB in the end (delta: -19.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5507.70ms. Allocated memory was 176.2MB in the beginning and 260.0MB in the end (delta: 83.9MB). Free memory was 126.5MB in the beginning and 156.7MB in the end (delta: -30.2MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 260.0MB. Free memory is still 156.7MB. 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 someBinaryDOUBLEComparisonOperation at line 129. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 128; [L23] unsigned short int var_1_4 = 256; [L24] unsigned short int var_1_6 = 10000; [L25] unsigned short int var_1_7 = 10000; [L26] unsigned short int var_1_8 = 128; [L27] unsigned short int var_1_9 = 8; [L28] unsigned char var_1_10 = 100; [L29] unsigned char var_1_11 = 64; [L30] unsigned char var_1_12 = 16; [L31] unsigned short int var_1_13 = 256; [L32] unsigned short int var_1_17 = 4; [L33] double var_1_18 = 64.2; [L34] unsigned short int var_1_19 = 53045; [L35] double var_1_20 = 1.75; [L36] double var_1_21 = 50.35; [L37] double var_1_22 = 5.5; [L38] double var_1_23 = 7.125; [L39] unsigned long int var_1_24 = 50; [L40] unsigned long int var_1_25 = 1907531378; [L41] unsigned long int var_1_26 = 8; [L42] unsigned char var_1_27 = 0; [L43] unsigned long int last_1_var_1_24 = 50; [L44] unsigned char last_1_var_1_27 = 0; VAL [isInitial=0, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=256, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L133] isInitial = 1 [L134] FCALL initially() [L135] COND TRUE 1 [L136] CALL updateLastVariables() [L125] last_1_var_1_24 = var_1_24 [L126] last_1_var_1_27 = var_1_27 VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=256, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L136] RET updateLastVariables() [L137] CALL updateVariables() [L87] var_1_4 = __VERIFIER_nondet_ushort() [L88] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L88] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L89] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L89] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=10000, var_1_7=10000, var_1_8=128, var_1_9=8] [L90] var_1_6 = __VERIFIER_nondet_ushort() [L91] CALL assume_abort_if_not(var_1_6 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L91] RET assume_abort_if_not(var_1_6 >= 8191) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L92] CALL assume_abort_if_not(var_1_6 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L92] RET assume_abort_if_not(var_1_6 <= 16384) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=10000, var_1_8=128, var_1_9=8] [L93] var_1_7 = __VERIFIER_nondet_ushort() [L94] CALL assume_abort_if_not(var_1_7 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L94] RET assume_abort_if_not(var_1_7 >= 8192) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L95] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L95] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=128, var_1_9=8] [L96] var_1_8 = __VERIFIER_nondet_ushort() [L97] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_9=8] [L97] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_9=8] [L98] CALL assume_abort_if_not(var_1_8 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=8] [L98] RET assume_abort_if_not(var_1_8 <= 16383) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=8] [L99] var_1_9 = __VERIFIER_nondet_ushort() [L100] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383] [L100] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383] [L101] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L101] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=64, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L102] var_1_11 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L103] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L104] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L104] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=16, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L105] var_1_12 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L106] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L107] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L107] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_18=321/5, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L108] var_1_18 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L109] RET assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L110] CALL assume_abort_if_not(var_1_18 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L110] RET assume_abort_if_not(var_1_18 != 0.0F) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=53045, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L111] var_1_19 = __VERIFIER_nondet_ushort() [L112] CALL assume_abort_if_not(var_1_19 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L112] RET assume_abort_if_not(var_1_19 >= 49150) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L113] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L113] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_21=1007/20, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L114] var_1_21 = __VERIFIER_nondet_double() [L115] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L115] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_22=11/2, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L116] var_1_22 = __VERIFIER_nondet_double() [L117] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L117] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_23=57/8, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L118] var_1_23 = __VERIFIER_nondet_double() [L119] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L119] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1907531378, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L120] var_1_25 = __VERIFIER_nondet_ulong() [L121] CALL assume_abort_if_not(var_1_25 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L121] RET assume_abort_if_not(var_1_25 >= 1073741823) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L122] CALL assume_abort_if_not(var_1_25 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L122] RET assume_abort_if_not(var_1_25 <= 2147483647) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=7/4, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L137] RET updateVariables() [L138] CALL step() [L48] COND FALSE !(\read(last_1_var_1_27)) [L51] var_1_20 = var_1_22 VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L53] COND TRUE (- 3.75) < ((((var_1_20) < (var_1_22)) ? (var_1_20) : (var_1_22))) [L54] var_1_27 = 0 VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L56] EXPR var_1_8 << var_1_4 VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=100, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L56] COND TRUE var_1_9 < (var_1_8 << var_1_4) [L57] var_1_10 = (var_1_11 + var_1_12) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L61] unsigned char stepLocal_0 = var_1_27; VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=256, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L62] COND TRUE (var_1_10 <= var_1_10) || stepLocal_0 [L63] var_1_13 = ((((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) > (var_1_10)) ? (((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) : (var_1_10))) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L67] unsigned short int stepLocal_1 = var_1_7; VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, stepLocal_1=16383, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=50, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L68] COND FALSE !(stepLocal_1 == last_1_var_1_24) [L71] var_1_24 = (var_1_10 + (var_1_25 - var_1_11)) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741831, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L73] signed long int stepLocal_2 = var_1_19 - var_1_7; VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, stepLocal_2=32767, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741831, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L74] COND FALSE !(var_1_10 > stepLocal_2) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=4, var_1_19=-1074151426, var_1_1=128, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741831, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L77] COND TRUE var_1_20 < var_1_20 [L78] var_1_1 = ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=4, var_1_19=-1074151426, var_1_1=135, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741831, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L82] COND TRUE (var_1_20 / var_1_18) > var_1_20 [L83] var_1_17 = ((var_1_19 - ((((var_1_26) > (var_1_12)) ? (var_1_26) : (var_1_12)))) - var_1_7) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=32759, var_1_19=-1074151426, var_1_1=135, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741831, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L138] RET step() [L139] CALL, EXPR property() [L129] EXPR ((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned short int) ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))) : (var_1_1 == ((unsigned short int) (((var_1_6 + var_1_7) - var_1_10) + var_1_10)))) && ((var_1_9 < (var_1_8 << var_1_4)) ? (var_1_10 == ((unsigned char) (var_1_11 + var_1_12))) : (var_1_10 == ((unsigned char) var_1_11))) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=32759, var_1_19=-1074151426, var_1_1=135, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741831, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L129-L130] return ((((((((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned short int) ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))) : (var_1_1 == ((unsigned short int) (((var_1_6 + var_1_7) - var_1_10) + var_1_10)))) && ((var_1_9 < (var_1_8 << var_1_4)) ? (var_1_10 == ((unsigned char) (var_1_11 + var_1_12))) : (var_1_10 == ((unsigned char) var_1_11)))) && (((var_1_10 <= var_1_10) || var_1_27) ? (var_1_13 == ((unsigned short int) ((((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) > (var_1_10)) ? (((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10)))) : (var_1_10))))) : (var_1_13 == ((unsigned short int) var_1_10)))) && (((var_1_20 / var_1_18) > var_1_20) ? (var_1_17 == ((unsigned short int) ((var_1_19 - ((((var_1_26) > (var_1_12)) ? (var_1_26) : (var_1_12)))) - var_1_7))) : 1)) && (last_1_var_1_27 ? (var_1_20 == ((double) (((((((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22)))) > (16.6)) ? (((((var_1_21) > (var_1_22)) ? (var_1_21) : (var_1_22)))) : (16.6))) - var_1_23))) : (var_1_20 == ((double) var_1_22)))) && ((var_1_7 == last_1_var_1_24) ? (var_1_24 == ((unsigned long int) (2332545940u - (1490203111u - var_1_11)))) : (var_1_24 == ((unsigned long int) (var_1_10 + (var_1_25 - var_1_11)))))) && ((var_1_10 > (var_1_19 - var_1_7)) ? (var_1_26 == ((unsigned long int) var_1_10)) : 1)) && (((- 3.75) < ((((var_1_20) < (var_1_22)) ? (var_1_20) : (var_1_22)))) ? (var_1_27 == ((unsigned char) 0)) : 1) ; [L139] RET, EXPR property() [L139] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=32759, var_1_19=-1074151426, var_1_1=135, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741831, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] [L19] reach_error() VAL [isInitial=1, last_1_var_1_24=50, last_1_var_1_27=0, var_1_10=135, var_1_11=127, var_1_12=8, var_1_13=135, var_1_17=32759, var_1_19=-1074151426, var_1_1=135, var_1_20=1907531383, var_1_22=1907531383, var_1_24=1073741831, var_1_25=1073741823, var_1_26=8, var_1_27=0, var_1_4=0, var_1_6=16384, var_1_7=16383, var_1_8=16383, var_1_9=16382] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 4, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 693 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 692 mSDsluCounter, 974 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 696 mSDsCounter, 428 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 966 IncrementalHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 428 mSolverCounterUnsat, 278 mSDtfsCounter, 966 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 512 GetRequests, 456 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 792 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=3, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 65 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 755 NumberOfCodeBlocks, 755 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 750 ConstructedInterpolants, 0 QuantifiedInterpolants, 3562 SizeOfPredicates, 3 NumberOfNonLiveVariables, 344 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 4799/5060 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 [2024-11-20 05:38:34,000 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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-22.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 6ea08dc62acc30bf27bdbe344366e1e3ed766f07a4fc179eccedd3ea159fdcb7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 05:38:35,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 05:38:36,053 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-20 05:38:36,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 05:38:36,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 05:38:36,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 05:38:36,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 05:38:36,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 05:38:36,090 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 05:38:36,090 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 05:38:36,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 05:38:36,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 05:38:36,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 05:38:36,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 05:38:36,093 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 05:38:36,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 05:38:36,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 05:38:36,096 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 05:38:36,097 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 05:38:36,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 05:38:36,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 05:38:36,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 05:38:36,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 05:38:36,098 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 05:38:36,098 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 05:38:36,098 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 05:38:36,098 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 05:38:36,098 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 05:38:36,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 05:38:36,098 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 05:38:36,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 05:38:36,099 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 05:38:36,099 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 05:38:36,099 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 05:38:36,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:38:36,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 05:38:36,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 05:38:36,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 05:38:36,100 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 05:38:36,100 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 05:38:36,100 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 05:38:36,103 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 05:38:36,103 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 05:38:36,103 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 05:38:36,103 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ea08dc62acc30bf27bdbe344366e1e3ed766f07a4fc179eccedd3ea159fdcb7 [2024-11-20 05:38:36,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 05:38:36,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 05:38:36,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 05:38:36,417 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 05:38:36,419 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 05:38:36,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-22.i [2024-11-20 05:38:37,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 05:38:38,004 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 05:38:38,005 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-22.i [2024-11-20 05:38:38,015 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f69cf002/722021e96a274b798370f291c1ff643b/FLAG3e0c92cad [2024-11-20 05:38:38,391 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f69cf002/722021e96a274b798370f291c1ff643b [2024-11-20 05:38:38,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 05:38:38,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 05:38:38,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 05:38:38,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 05:38:38,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 05:38:38,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:38:38" (1/1) ... [2024-11-20 05:38:38,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c8fdab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38, skipping insertion in model container [2024-11-20 05:38:38,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:38:38" (1/1) ... [2024-11-20 05:38:38,432 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 05:38:38,580 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_normal_file-22.i[913,926] [2024-11-20 05:38:38,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:38:38,647 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 05:38:38,656 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_normal_file-22.i[913,926] [2024-11-20 05:38:38,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:38:38,719 INFO L204 MainTranslator]: Completed translation [2024-11-20 05:38:38,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38 WrapperNode [2024-11-20 05:38:38,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 05:38:38,721 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 05:38:38,721 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 05:38:38,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 05:38:38,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2024-11-20 05:38:38,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2024-11-20 05:38:38,762 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2024-11-20 05:38:38,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 05:38:38,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 05:38:38,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 05:38:38,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 05:38:38,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2024-11-20 05:38:38,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2024-11-20 05:38:38,780 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2024-11-20 05:38:38,800 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]. [2024-11-20 05:38:38,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2024-11-20 05:38:38,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2024-11-20 05:38:38,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2024-11-20 05:38:38,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2024-11-20 05:38:38,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2024-11-20 05:38:38,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2024-11-20 05:38:38,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 05:38:38,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 05:38:38,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 05:38:38,829 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 05:38:38,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (1/1) ... [2024-11-20 05:38:38,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:38:38,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 05:38:38,865 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) [2024-11-20 05:38:38,868 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 [2024-11-20 05:38:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 05:38:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 05:38:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 05:38:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 05:38:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 05:38:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 05:38:38,988 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 05:38:38,991 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 05:38:51,728 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-20 05:38:51,728 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 05:38:51,740 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 05:38:51,741 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 05:38:51,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:51 BoogieIcfgContainer [2024-11-20 05:38:51,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 05:38:51,743 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 05:38:51,743 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 05:38:51,746 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 05:38:51,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:38:38" (1/3) ... [2024-11-20 05:38:51,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73537883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:38:51, skipping insertion in model container [2024-11-20 05:38:51,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:38" (2/3) ... [2024-11-20 05:38:51,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73537883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:38:51, skipping insertion in model container [2024-11-20 05:38:51,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:38:51" (3/3) ... [2024-11-20 05:38:51,748 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-22.i [2024-11-20 05:38:51,762 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 05:38:51,762 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 05:38:51,819 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 05:38:51,827 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;@1509d672, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 05:38:51,827 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 05:38:51,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 40 states have (on average 1.325) internal successors, (53), 41 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 05:38:51,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-20 05:38:51,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:38:51,843 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:38:51,844 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:38:51,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:38:51,850 INFO L85 PathProgramCache]: Analyzing trace with hash 746383165, now seen corresponding path program 1 times [2024-11-20 05:38:51,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 05:38:51,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419419820] [2024-11-20 05:38:51,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:38:51,864 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 [2024-11-20 05:38:51,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 05:38:51,867 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) [2024-11-20 05:38:51,868 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 [2024-11-20 05:38:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:52,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-20 05:38:52,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 05:38:52,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-11-20 05:38:52,766 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 05:38:52,766 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 05:38:52,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419419820] [2024-11-20 05:38:52,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [419419820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:38:52,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:38:52,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 05:38:52,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507577583] [2024-11-20 05:38:52,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:38:52,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 05:38:52,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 05:38:52,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 05:38:52,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:38:52,804 INFO L87 Difference]: Start difference. First operand has 66 states, 40 states have (on average 1.325) internal successors, (53), 41 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-20 05:38:52,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:38:52,830 INFO L93 Difference]: Finished difference Result 125 states and 215 transitions. [2024-11-20 05:38:52,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 05:38:52,833 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 148 [2024-11-20 05:38:52,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:38:52,839 INFO L225 Difference]: With dead ends: 125 [2024-11-20 05:38:52,839 INFO L226 Difference]: Without dead ends: 62 [2024-11-20 05:38:52,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:38:52,845 INFO L432 NwaCegarLoop]: 90 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, 90 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 [2024-11-20 05:38:52,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:38:52,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-20 05:38:52,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-20 05:38:52,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 05:38:52,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 90 transitions. [2024-11-20 05:38:52,896 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 90 transitions. Word has length 148 [2024-11-20 05:38:52,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:38:52,897 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 90 transitions. [2024-11-20 05:38:52,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-20 05:38:52,898 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2024-11-20 05:38:52,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-20 05:38:52,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:38:52,902 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:38:52,928 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 [2024-11-20 05:38:53,103 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 [2024-11-20 05:38:53,103 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:38:53,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:38:53,104 INFO L85 PathProgramCache]: Analyzing trace with hash 831553911, now seen corresponding path program 1 times [2024-11-20 05:38:53,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 05:38:53,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1717687095] [2024-11-20 05:38:53,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:38:53,105 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 [2024-11-20 05:38:53,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 05:38:53,108 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) [2024-11-20 05:38:53,109 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 [2024-11-20 05:38:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:38:53,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 05:38:53,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 05:38:56,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-20 05:38:56,640 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 05:38:56,640 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 05:38:56,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1717687095] [2024-11-20 05:38:56,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1717687095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:38:56,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:38:56,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 05:38:56,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896960992] [2024-11-20 05:38:56,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:38:56,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 05:38:56,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 05:38:56,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 05:38:56,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:38:56,647 INFO L87 Difference]: Start difference. First operand 62 states and 90 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 05:39:01,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 05:39:01,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:39:01,087 INFO L93 Difference]: Finished difference Result 121 states and 177 transitions. [2024-11-20 05:39:01,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 05:39:01,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2024-11-20 05:39:01,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:39:01,181 INFO L225 Difference]: With dead ends: 121 [2024-11-20 05:39:01,181 INFO L226 Difference]: Without dead ends: 62 [2024-11-20 05:39:01,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 05:39:01,183 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 63 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 48 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-20 05:39:01,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 85 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-20 05:39:01,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-20 05:39:01,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-20 05:39:01,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.162162162162162) internal successors, (43), 37 states have internal predecessors, (43), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 05:39:01,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 89 transitions. [2024-11-20 05:39:01,196 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 89 transitions. Word has length 148 [2024-11-20 05:39:01,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:39:01,197 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 89 transitions. [2024-11-20 05:39:01,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-20 05:39:01,197 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-20 05:39:01,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-20 05:39:01,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:39:01,199 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:39:01,221 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-11-20 05:39:01,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2024-11-20 05:39:01,400 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:39:01,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:39:01,401 INFO L85 PathProgramCache]: Analyzing trace with hash -448309767, now seen corresponding path program 1 times [2024-11-20 05:39:01,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 05:39:01,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1715785838] [2024-11-20 05:39:01,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:39:01,401 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 [2024-11-20 05:39:01,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 05:39:01,403 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-11-20 05:39:01,404 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 (4)] Waiting until timeout for monitored process [2024-11-20 05:39:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:39:02,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 05:39:02,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 05:39:10,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 338 proven. 102 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-11-20 05:39:10,741 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 05:39:13,782 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 05:39:13,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1715785838] [2024-11-20 05:39:13,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1715785838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 05:39:13,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1275276541] [2024-11-20 05:39:13,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:39:13,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-20 05:39:13,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-20 05:39:13,785 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-20 05:39:13,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-20 05:39:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:39:15,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 05:39:15,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 05:39:20,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 318 proven. 54 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2024-11-20 05:39:20,333 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 05:39:22,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1275276541] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 05:39:22,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 05:39:22,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 11 [2024-11-20 05:39:22,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953517913] [2024-11-20 05:39:22,059 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 05:39:22,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 05:39:22,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 05:39:22,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 05:39:22,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2024-11-20 05:39:22,061 INFO L87 Difference]: Start difference. First operand 62 states and 89 transitions. Second operand has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-20 05:39:27,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 05:39:31,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 05:39:35,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 05:39:39,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 05:39:43,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 05:39:47,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 05:39:51,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 05:39:54,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 05:39:58,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 05:40:02,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []