./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.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 bb30cb0b4398adfc5465f31f9ffe7fe240953900dbbefc0594f1922929c32c0a --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 21:09:48,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 21:09:48,833 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 21:09:48,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 21:09:48,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 21:09:48,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 21:09:48,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 21:09:48,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 21:09:48,863 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 21:09:48,866 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 21:09:48,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 21:09:48,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 21:09:48,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 21:09:48,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 21:09:48,868 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 21:09:48,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 21:09:48,869 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 21:09:48,869 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 21:09:48,869 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 21:09:48,869 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 21:09:48,870 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 21:09:48,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 21:09:48,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 21:09:48,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 21:09:48,871 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 21:09:48,871 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 21:09:48,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 21:09:48,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 21:09:48,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 21:09:48,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 21:09:48,872 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 21:09:48,872 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 21:09:48,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 21:09:48,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 21:09:48,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 21:09:48,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 21:09:48,874 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 21:09:48,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 21:09:48,874 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 21:09:48,875 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 21:09:48,875 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 21:09:48,875 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 21:09:48,875 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb30cb0b4398adfc5465f31f9ffe7fe240953900dbbefc0594f1922929c32c0a [2024-11-08 21:09:49,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 21:09:49,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 21:09:49,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 21:09:49,146 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 21:09:49,149 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 21:09:49,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i [2024-11-08 21:09:50,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 21:09:50,613 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 21:09:50,616 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i [2024-11-08 21:09:50,625 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd3c9ccf1/6ab1610142ba4bd6aa92dd566d8fcd62/FLAG4791e5b80 [2024-11-08 21:09:50,636 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd3c9ccf1/6ab1610142ba4bd6aa92dd566d8fcd62 [2024-11-08 21:09:50,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 21:09:50,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 21:09:50,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 21:09:50,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 21:09:50,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 21:09:50,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 09:09:50" (1/1) ... [2024-11-08 21:09:50,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63fc3f30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:09:50, skipping insertion in model container [2024-11-08 21:09:50,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 09:09:50" (1/1) ... [2024-11-08 21:09:50,672 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 21:09:50,814 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i[919,932] [2024-11-08 21:09:50,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 21:09:50,879 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 21:09:50,889 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i[919,932] [2024-11-08 21:09:50,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 21:09:50,967 INFO L204 MainTranslator]: Completed translation [2024-11-08 21:09:50,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:09:50 WrapperNode [2024-11-08 21:09:50,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 21:09:50,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 21:09:50,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 21:09:50,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 21:09:50,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:09:50" (1/1) ... [2024-11-08 21:09:51,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:09:50" (1/1) ... [2024-11-08 21:09:51,044 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 183 [2024-11-08 21:09:51,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 21:09:51,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 21:09:51,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 21:09:51,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 21:09:51,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:09:50" (1/1) ... [2024-11-08 21:09:51,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:09:50" (1/1) ... [2024-11-08 21:09:51,057 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:09:50" (1/1) ... [2024-11-08 21:09:51,074 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]. [2024-11-08 21:09:51,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:09:50" (1/1) ... [2024-11-08 21:09:51,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:09:50" (1/1) ... [2024-11-08 21:09:51,089 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:09:50" (1/1) ... [2024-11-08 21:09:51,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:09:50" (1/1) ... [2024-11-08 21:09:51,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:09:50" (1/1) ... [2024-11-08 21:09:51,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:09:50" (1/1) ... [2024-11-08 21:09:51,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 21:09:51,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 21:09:51,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 21:09:51,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 21:09:51,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:09:50" (1/1) ... [2024-11-08 21:09:51,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 21:09:51,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 21:09:51,142 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) [2024-11-08 21:09:51,149 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 [2024-11-08 21:09:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 21:09:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 21:09:51,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 21:09:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 21:09:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 21:09:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 21:09:51,252 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 21:09:51,254 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 21:09:51,600 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 21:09:51,600 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 21:09:51,614 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 21:09:51,615 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 21:09:51,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 09:09:51 BoogieIcfgContainer [2024-11-08 21:09:51,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 21:09:51,617 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 21:09:51,617 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 21:09:51,620 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 21:09:51,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 09:09:50" (1/3) ... [2024-11-08 21:09:51,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edfaee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 09:09:51, skipping insertion in model container [2024-11-08 21:09:51,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:09:50" (2/3) ... [2024-11-08 21:09:51,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edfaee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 09:09:51, skipping insertion in model container [2024-11-08 21:09:51,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 09:09:51" (3/3) ... [2024-11-08 21:09:51,623 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i [2024-11-08 21:09:51,638 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 21:09:51,638 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 21:09:51,699 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 21:09:51,704 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;@60930b5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 21:09:51,705 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 21:09:51,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 56 states have (on average 1.4821428571428572) internal successors, (83), 57 states have internal predecessors, (83), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 21:09:51,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 21:09:51,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:09:51,721 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:09:51,722 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:09:51,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:09:51,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1550500664, now seen corresponding path program 1 times [2024-11-08 21:09:51,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:09:51,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321265034] [2024-11-08 21:09:51,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:09:51,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:09:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:09:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:09:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:09:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:09:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:09:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:09:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:09:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:09:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:09:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 21:09:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:09:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 21:09:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:09:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 21:09:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 21:09:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 21:09:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 21:09:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 21:09:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 21:09:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:52,212 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 21:09:52,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:09:52,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321265034] [2024-11-08 21:09:52,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321265034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:09:52,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:09:52,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 21:09:52,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655309799] [2024-11-08 21:09:52,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:09:52,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 21:09:52,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:09:52,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 21:09:52,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:09:52,263 INFO L87 Difference]: Start difference. First operand has 78 states, 56 states have (on average 1.4821428571428572) internal successors, (83), 57 states have internal predecessors, (83), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-08 21:09:52,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:09:52,340 INFO L93 Difference]: Finished difference Result 219 states and 387 transitions. [2024-11-08 21:09:52,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 21:09:52,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 134 [2024-11-08 21:09:52,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:09:52,350 INFO L225 Difference]: With dead ends: 219 [2024-11-08 21:09:52,350 INFO L226 Difference]: Without dead ends: 144 [2024-11-08 21:09:52,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:09:52,355 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 102 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 21:09:52,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 282 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 21:09:52,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-08 21:09:52,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 78. [2024-11-08 21:09:52,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 57 states have internal predecessors, (80), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 21:09:52,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 118 transitions. [2024-11-08 21:09:52,406 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 118 transitions. Word has length 134 [2024-11-08 21:09:52,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:09:52,408 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 118 transitions. [2024-11-08 21:09:52,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-08 21:09:52,408 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 118 transitions. [2024-11-08 21:09:52,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 21:09:52,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:09:52,410 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:09:52,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 21:09:52,410 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:09:52,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:09:52,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1733349382, now seen corresponding path program 1 times [2024-11-08 21:09:52,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:09:52,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524553960] [2024-11-08 21:09:52,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:09:52,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:09:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 21:09:52,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [525433294] [2024-11-08 21:09:52,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:09:52,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 21:09:52,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 21:09:52,630 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) [2024-11-08 21:09:52,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 21:09:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:09:53,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 21:09:53,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 21:09:53,303 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 348 proven. 21 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-08 21:09:53,304 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 21:10:07,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:10:07,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524553960] [2024-11-08 21:10:07,642 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 21:10:07,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525433294] [2024-11-08 21:10:07,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525433294] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 21:10:07,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 21:10:07,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-08 21:10:07,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859437625] [2024-11-08 21:10:07,645 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 21:10:07,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 21:10:07,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:10:07,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 21:10:07,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=91, Unknown=3, NotChecked=0, Total=132 [2024-11-08 21:10:07,648 INFO L87 Difference]: Start difference. First operand 78 states and 118 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 21:10:10,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:10:10,522 INFO L93 Difference]: Finished difference Result 211 states and 314 transitions. [2024-11-08 21:10:10,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 21:10:10,523 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 134 [2024-11-08 21:10:10,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:10:10,526 INFO L225 Difference]: With dead ends: 211 [2024-11-08 21:10:10,526 INFO L226 Difference]: Without dead ends: 136 [2024-11-08 21:10:10,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=94, Invalid=209, Unknown=3, NotChecked=0, Total=306 [2024-11-08 21:10:10,529 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 126 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 21:10:10,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 446 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 21:10:10,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-08 21:10:10,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 129. [2024-11-08 21:10:10,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 95 states have (on average 1.3894736842105264) internal successors, (132), 96 states have internal predecessors, (132), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-08 21:10:10,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 192 transitions. [2024-11-08 21:10:10,555 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 192 transitions. Word has length 134 [2024-11-08 21:10:10,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:10:10,555 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 192 transitions. [2024-11-08 21:10:10,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 21:10:10,562 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 192 transitions. [2024-11-08 21:10:10,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 21:10:10,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:10:10,564 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:10:10,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 21:10:10,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 21:10:10,766 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:10:10,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:10:10,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1540549560, now seen corresponding path program 1 times [2024-11-08 21:10:10,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:10:10,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176735606] [2024-11-08 21:10:10,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:10:10,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:10:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 21:10:10,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1327242495] [2024-11-08 21:10:10,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:10:10,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 21:10:10,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 21:10:10,921 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 21:10:10,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 21:10:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:10:11,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 21:10:11,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 21:10:12,631 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 348 proven. 21 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-08 21:10:12,631 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 21:10:13,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:10:13,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176735606] [2024-11-08 21:10:13,706 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 21:10:13,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327242495] [2024-11-08 21:10:13,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327242495] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 21:10:13,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 21:10:13,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-08 21:10:13,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416962023] [2024-11-08 21:10:13,730 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 21:10:13,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 21:10:13,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:10:13,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 21:10:13,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 21:10:13,732 INFO L87 Difference]: Start difference. First operand 129 states and 192 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 21:10:15,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:10:15,046 INFO L93 Difference]: Finished difference Result 259 states and 385 transitions. [2024-11-08 21:10:15,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 21:10:15,051 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 134 [2024-11-08 21:10:15,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:10:15,053 INFO L225 Difference]: With dead ends: 259 [2024-11-08 21:10:15,054 INFO L226 Difference]: Without dead ends: 133 [2024-11-08 21:10:15,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-08 21:10:15,055 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 65 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 21:10:15,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 282 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 21:10:15,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-08 21:10:15,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 129. [2024-11-08 21:10:15,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 95 states have (on average 1.3789473684210527) internal successors, (131), 96 states have internal predecessors, (131), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-08 21:10:15,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 191 transitions. [2024-11-08 21:10:15,073 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 191 transitions. Word has length 134 [2024-11-08 21:10:15,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:10:15,073 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 191 transitions. [2024-11-08 21:10:15,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 21:10:15,074 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 191 transitions. [2024-11-08 21:10:15,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 21:10:15,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:10:15,080 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:10:15,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 21:10:15,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-08 21:10:15,281 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:10:15,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:10:15,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1857985073, now seen corresponding path program 1 times [2024-11-08 21:10:15,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:10:15,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905088327] [2024-11-08 21:10:15,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:10:15,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:10:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 21:10:15,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1826174317] [2024-11-08 21:10:15,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:10:15,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 21:10:15,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 21:10:15,367 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 21:10:15,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 21:10:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 21:10:15,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 21:10:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 21:10:15,764 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 21:10:15,765 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 21:10:15,766 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 21:10:15,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 21:10:15,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 21:10:15,971 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 21:10:16,059 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 21:10:16,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 09:10:16 BoogieIcfgContainer [2024-11-08 21:10:16,064 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 21:10:16,064 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 21:10:16,064 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 21:10:16,065 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 21:10:16,065 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 09:09:51" (3/4) ... [2024-11-08 21:10:16,068 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 21:10:16,069 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 21:10:16,069 INFO L158 Benchmark]: Toolchain (without parser) took 25430.21ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 100.1MB in the beginning and 116.6MB in the end (delta: -16.5MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2024-11-08 21:10:16,069 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 21:10:16,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.39ms. Allocated memory is still 167.8MB. Free memory was 99.9MB in the beginning and 137.1MB in the end (delta: -37.3MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-08 21:10:16,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.75ms. Allocated memory is still 167.8MB. Free memory was 137.1MB in the beginning and 133.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 21:10:16,071 INFO L158 Benchmark]: Boogie Preprocessor took 61.03ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 125.9MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 21:10:16,071 INFO L158 Benchmark]: RCFGBuilder took 506.40ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 100.1MB in the end (delta: 25.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-08 21:10:16,071 INFO L158 Benchmark]: TraceAbstraction took 24446.79ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 99.4MB in the beginning and 117.7MB in the end (delta: -18.3MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2024-11-08 21:10:16,071 INFO L158 Benchmark]: Witness Printer took 4.23ms. Allocated memory is still 226.5MB. Free memory was 117.7MB in the beginning and 116.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 21:10:16,074 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.39ms. Allocated memory is still 167.8MB. Free memory was 99.9MB in the beginning and 137.1MB in the end (delta: -37.3MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.75ms. Allocated memory is still 167.8MB. Free memory was 137.1MB in the beginning and 133.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.03ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 125.9MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 506.40ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 100.1MB in the end (delta: 25.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 24446.79ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 99.4MB in the beginning and 117.7MB in the end (delta: -18.3MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. * Witness Printer took 4.23ms. Allocated memory is still 226.5MB. Free memory was 117.7MB in the beginning and 116.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 172, overapproximation of someBinaryDOUBLEComparisonOperation at line 172, overapproximation of someBinaryArithmeticFLOAToperation at line 131. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 1; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 0; [L26] signed char var_1_8 = 64; [L27] signed char var_1_11 = -10; [L28] signed char var_1_12 = 64; [L29] float var_1_13 = 1.6; [L30] float var_1_14 = 3.5; [L31] unsigned char var_1_15 = 8; [L32] unsigned char var_1_16 = 4; [L33] unsigned short int var_1_17 = 2; [L34] unsigned short int var_1_18 = 10000; [L35] signed short int var_1_20 = 4; [L36] signed char var_1_22 = -32; [L37] unsigned long int var_1_23 = 0; [L38] signed short int var_1_24 = 25; [L39] unsigned char var_1_27 = 50; [L40] signed short int var_1_29 = 10; [L41] double var_1_33 = 7.125; [L42] float var_1_34 = 0.75; [L43] float var_1_35 = 25.5; [L44] float var_1_36 = 9.038; [L45] float var_1_39 = 128.5; [L46] float var_1_41 = 15.25; [L47] float var_1_42 = 64.5; [L48] float var_1_43 = 256.3; [L49] unsigned long int var_1_44 = 32; [L50] double var_1_45 = 63.25; [L51] unsigned char last_1_var_1_15 = 8; VAL [isInitial=0, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L176] isInitial = 1 [L177] FCALL initially() [L178] COND TRUE 1 [L179] CALL updateLastVariables() [L169] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L179] RET updateLastVariables() [L180] CALL updateVariables() [L135] var_1_4 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L136] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L137] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L137] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L138] var_1_5 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L139] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L140] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L140] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L141] var_1_11 = __VERIFIER_nondet_char() [L142] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L142] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L143] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L143] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L144] var_1_12 = __VERIFIER_nondet_char() [L145] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L145] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L146] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L146] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L147] var_1_14 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L148] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L149] var_1_16 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L150] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L151] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L151] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L152] var_1_18 = __VERIFIER_nondet_ushort() [L153] CALL assume_abort_if_not(var_1_18 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L153] RET assume_abort_if_not(var_1_18 >= 8192) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L154] CALL assume_abort_if_not(var_1_18 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L154] RET assume_abort_if_not(var_1_18 <= 16384) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L155] var_1_34 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L156] RET assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_35=51/2, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L157] var_1_35 = __VERIFIER_nondet_float() [L158] CALL assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L158] RET assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_36=4519/500, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L159] var_1_36 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L160] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L161] var_1_41 = __VERIFIER_nondet_float() [L162] CALL assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 4611686.018427382800e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L162] RET assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 4611686.018427382800e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L163] var_1_42 = __VERIFIER_nondet_float() [L164] CALL assume_abort_if_not((var_1_42 >= 0.0F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 4611686.018427382800e+12F && var_1_42 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L164] RET assume_abort_if_not((var_1_42 >= 0.0F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 4611686.018427382800e+12F && var_1_42 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L165] var_1_43 = __VERIFIER_nondet_float() [L166] CALL assume_abort_if_not((var_1_43 >= -461168.6018427382800e+13F && var_1_43 <= -1.0e-20F) || (var_1_43 <= 4611686.018427382800e+12F && var_1_43 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L166] RET assume_abort_if_not((var_1_43 >= -461168.6018427382800e+13F && var_1_43 <= -1.0e-20F) || (var_1_43 <= 4611686.018427382800e+12F && var_1_43 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L180] RET updateVariables() [L181] CALL step() [L55] unsigned char stepLocal_1 = ! var_1_5; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_1=0, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L56] COND FALSE !(stepLocal_1 || (var_1_12 < last_1_var_1_15)) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L63] COND FALSE !((127.35 + var_1_13) <= var_1_13) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L68] COND TRUE (- var_1_13) > 31.9f [L69] var_1_1 = ((var_1_6 || var_1_4) && var_1_5) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L73] COND TRUE \read(var_1_1) [L74] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=2, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L76] var_1_22 = 1 [L77] var_1_23 = var_1_22 [L78] unsigned long int stepLocal_0 = var_1_23; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=2, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L79] COND TRUE var_1_15 > stepLocal_0 [L80] var_1_8 = ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=2, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L82] unsigned char stepLocal_2 = var_1_23 < var_1_15; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_2=1, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=2, var_1_16=2, var_1_17=2, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L83] COND TRUE var_1_1 || stepLocal_2 [L84] var_1_17 = (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=2, var_1_16=2, var_1_17=8194, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L88] signed long int stepLocal_3 = -10; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_3=-10, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=2, var_1_16=2, var_1_17=8194, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L89] COND FALSE !(((var_1_15 / var_1_18) * var_1_15) < stepLocal_3) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=2, var_1_16=2, var_1_17=8194, var_1_18=8192, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L92] COND FALSE !(! (var_1_17 <= var_1_17)) [L95] var_1_20 = var_1_12 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=2, var_1_16=2, var_1_17=8194, var_1_18=8192, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=25, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L98] COND TRUE 32.2f > (25.5f - ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) [L99] var_1_24 = ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=2, var_1_16=2, var_1_17=8194, var_1_18=8192, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=8192, var_1_27=50, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L101] var_1_27 = var_1_16 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=2, var_1_16=2, var_1_17=8194, var_1_18=8192, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=8192, var_1_27=2, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L102] COND FALSE !(var_1_13 <= ((((var_1_13) < (var_1_13)) ? (var_1_13) : (var_1_13)))) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=2, var_1_16=2, var_1_17=8194, var_1_18=8192, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=8192, var_1_27=2, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L109] COND FALSE !(var_1_13 > (((((var_1_34) < (var_1_35)) ? (var_1_34) : (var_1_35))) - var_1_36)) [L118] var_1_33 = 10000.5 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=2, var_1_16=2, var_1_17=8194, var_1_18=8192, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=8192, var_1_27=2, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L120] COND TRUE \read(var_1_5) [L121] var_1_39 = var_1_14 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=8194, var_1_18=8192, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=8192, var_1_27=2, var_1_29=10, var_1_33=20001/2, var_1_39=2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L127] COND TRUE ((var_1_14 + var_1_13) * ((((var_1_42) < 0 ) ? -(var_1_42) : (var_1_42)))) >= var_1_35 [L128] var_1_44 = ((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))))) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))))) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=8194, var_1_18=8192, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=8192, var_1_27=2, var_1_29=10, var_1_33=20001/2, var_1_39=2, var_1_44=8192, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L130] COND TRUE \read(var_1_5) [L131] var_1_45 = (((((var_1_43) < 0 ) ? -(var_1_43) : (var_1_43))) + var_1_42) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=8194, var_1_18=8192, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=8192, var_1_27=2, var_1_29=10, var_1_33=20001/2, var_1_39=2, var_1_44=8192, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L181] RET step() [L182] CALL, EXPR property() [L172-L173] return ((((((((((- var_1_13) > 31.9f) ? (var_1_1 == ((unsigned char) ((var_1_6 || var_1_4) && var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) && (((127.35 + var_1_13) <= var_1_13) ? ((4.5 <= (var_1_13 * var_1_13)) ? (var_1_6 == ((unsigned char) var_1_5)) : 1) : 1)) && ((var_1_15 > var_1_23) ? (var_1_8 == ((signed char) ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))))) : 1)) && (((! var_1_5) || (var_1_12 < last_1_var_1_15)) ? ((! var_1_5) ? (var_1_13 == ((float) var_1_14)) : (var_1_13 == ((float) var_1_14))) : 1)) && (var_1_1 ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && ((var_1_1 || (var_1_23 < var_1_15)) ? (var_1_17 == ((unsigned short int) (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)))) : (var_1_17 == ((unsigned short int) (var_1_16 + var_1_18))))) && ((((var_1_15 / var_1_18) * var_1_15) < -10) ? (var_1_20 == ((signed short int) ((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))))) : ((! (var_1_17 <= var_1_17)) ? (var_1_20 == ((signed short int) var_1_11)) : (var_1_20 == ((signed short int) var_1_12))))) && (var_1_22 == ((signed char) 1))) && (var_1_23 == ((unsigned long int) var_1_22)) ; VAL [\result=0, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=8194, var_1_18=8192, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=8192, var_1_27=2, var_1_29=10, var_1_33=20001/2, var_1_39=2, var_1_44=8192, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L182] RET, EXPR property() [L182] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=8194, var_1_18=8192, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=8192, var_1_27=2, var_1_29=10, var_1_33=20001/2, var_1_39=2, var_1_44=8192, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=8194, var_1_18=8192, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=8192, var_1_27=2, var_1_29=10, var_1_33=20001/2, var_1_39=2, var_1_44=8192, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.3s, OverallIterations: 4, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 326 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 293 mSDsluCounter, 1010 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 642 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 506 IncrementalHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 368 mSDtfsCounter, 506 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 362 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 15.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=2, InterpolantAutomatonStates: 26, 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, 77 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 17.3s InterpolantComputationTime, 940 NumberOfCodeBlocks, 940 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 399 ConstructedInterpolants, 0 QuantifiedInterpolants, 890 SizeOfPredicates, 6 NumberOfNonLiveVariables, 666 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2010/2052 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 [2024-11-08 21:10:16,295 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-08 21:10:16,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.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 bb30cb0b4398adfc5465f31f9ffe7fe240953900dbbefc0594f1922929c32c0a --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 21:10:18,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 21:10:18,345 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 21:10:18,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 21:10:18,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 21:10:18,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 21:10:18,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 21:10:18,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 21:10:18,383 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 21:10:18,383 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 21:10:18,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 21:10:18,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 21:10:18,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 21:10:18,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 21:10:18,386 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 21:10:18,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 21:10:18,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 21:10:18,390 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 21:10:18,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 21:10:18,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 21:10:18,390 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 21:10:18,392 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 21:10:18,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 21:10:18,392 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 21:10:18,392 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 21:10:18,393 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 21:10:18,393 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 21:10:18,393 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 21:10:18,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 21:10:18,393 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 21:10:18,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 21:10:18,393 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 21:10:18,393 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 21:10:18,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 21:10:18,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 21:10:18,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 21:10:18,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 21:10:18,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 21:10:18,394 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-08 21:10:18,394 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 21:10:18,395 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 21:10:18,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 21:10:18,398 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 21:10:18,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 21:10:18,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb30cb0b4398adfc5465f31f9ffe7fe240953900dbbefc0594f1922929c32c0a [2024-11-08 21:10:18,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 21:10:18,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 21:10:18,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 21:10:18,717 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 21:10:18,718 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 21:10:18,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i [2024-11-08 21:10:20,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 21:10:20,332 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 21:10:20,335 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i [2024-11-08 21:10:20,345 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ea2fa76/a010a6d57b0f49969cf16bce967d5270/FLAG7d77d621b [2024-11-08 21:10:20,360 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81ea2fa76/a010a6d57b0f49969cf16bce967d5270 [2024-11-08 21:10:20,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 21:10:20,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 21:10:20,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 21:10:20,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 21:10:20,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 21:10:20,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 09:10:20" (1/1) ... [2024-11-08 21:10:20,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1014a350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:10:20, skipping insertion in model container [2024-11-08 21:10:20,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 09:10:20" (1/1) ... [2024-11-08 21:10:20,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 21:10:20,539 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i[919,932] [2024-11-08 21:10:20,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 21:10:20,638 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 21:10:20,649 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i[919,932] [2024-11-08 21:10:20,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 21:10:20,686 INFO L204 MainTranslator]: Completed translation [2024-11-08 21:10:20,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:10:20 WrapperNode [2024-11-08 21:10:20,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 21:10:20,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 21:10:20,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 21:10:20,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 21:10:20,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:10:20" (1/1) ... [2024-11-08 21:10:20,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:10:20" (1/1) ... [2024-11-08 21:10:20,733 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 172 [2024-11-08 21:10:20,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 21:10:20,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 21:10:20,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 21:10:20,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 21:10:20,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:10:20" (1/1) ... [2024-11-08 21:10:20,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:10:20" (1/1) ... [2024-11-08 21:10:20,758 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:10:20" (1/1) ... [2024-11-08 21:10:20,773 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]. [2024-11-08 21:10:20,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:10:20" (1/1) ... [2024-11-08 21:10:20,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:10:20" (1/1) ... [2024-11-08 21:10:20,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:10:20" (1/1) ... [2024-11-08 21:10:20,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:10:20" (1/1) ... [2024-11-08 21:10:20,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:10:20" (1/1) ... [2024-11-08 21:10:20,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:10:20" (1/1) ... [2024-11-08 21:10:20,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 21:10:20,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 21:10:20,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 21:10:20,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 21:10:20,797 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:10:20" (1/1) ... [2024-11-08 21:10:20,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 21:10:20,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 21:10:20,824 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) [2024-11-08 21:10:20,831 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 [2024-11-08 21:10:20,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 21:10:20,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 21:10:20,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 21:10:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 21:10:20,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 21:10:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 21:10:20,925 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 21:10:20,927 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 21:10:24,100 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 21:10:24,101 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 21:10:24,112 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 21:10:24,115 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 21:10:24,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 09:10:24 BoogieIcfgContainer [2024-11-08 21:10:24,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 21:10:24,117 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 21:10:24,118 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 21:10:24,120 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 21:10:24,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 09:10:20" (1/3) ... [2024-11-08 21:10:24,125 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1111c5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 09:10:24, skipping insertion in model container [2024-11-08 21:10:24,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:10:20" (2/3) ... [2024-11-08 21:10:24,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1111c5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 09:10:24, skipping insertion in model container [2024-11-08 21:10:24,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 09:10:24" (3/3) ... [2024-11-08 21:10:24,131 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-41.i [2024-11-08 21:10:24,153 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 21:10:24,154 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 21:10:24,208 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 21:10:24,213 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;@aea5cec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 21:10:24,215 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 21:10:24,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 21:10:24,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 21:10:24,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:10:24,234 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:10:24,235 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:10:24,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:10:24,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1868492970, now seen corresponding path program 1 times [2024-11-08 21:10:24,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 21:10:24,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1378686190] [2024-11-08 21:10:24,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:10:24,256 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 [2024-11-08 21:10:24,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 21:10:24,262 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) [2024-11-08 21:10:24,264 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 [2024-11-08 21:10:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:10:24,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 21:10:24,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 21:10:24,809 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-08 21:10:24,810 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 21:10:24,810 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 21:10:24,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1378686190] [2024-11-08 21:10:24,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1378686190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:10:24,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:10:24,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 21:10:24,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979539758] [2024-11-08 21:10:24,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:10:24,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 21:10:24,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 21:10:24,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 21:10:24,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 21:10:24,837 INFO L87 Difference]: Start difference. First operand has 75 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 21:10:24,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:10:24,860 INFO L93 Difference]: Finished difference Result 143 states and 245 transitions. [2024-11-08 21:10:24,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 21:10:24,863 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 134 [2024-11-08 21:10:24,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:10:24,868 INFO L225 Difference]: With dead ends: 143 [2024-11-08 21:10:24,869 INFO L226 Difference]: Without dead ends: 71 [2024-11-08 21:10:24,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 21:10:24,874 INFO L432 NwaCegarLoop]: 108 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, 108 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 [2024-11-08 21:10:24,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 21:10:24,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-08 21:10:24,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-08 21:10:24,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 50 states have (on average 1.4) internal successors, (70), 50 states have internal predecessors, (70), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 21:10:24,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 108 transitions. [2024-11-08 21:10:24,917 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 108 transitions. Word has length 134 [2024-11-08 21:10:24,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:10:24,917 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 108 transitions. [2024-11-08 21:10:24,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 21:10:24,918 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2024-11-08 21:10:24,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 21:10:24,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:10:24,920 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:10:24,936 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 [2024-11-08 21:10:25,124 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 [2024-11-08 21:10:25,125 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:10:25,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:10:25,125 INFO L85 PathProgramCache]: Analyzing trace with hash -2073200540, now seen corresponding path program 1 times [2024-11-08 21:10:25,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 21:10:25,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181792959] [2024-11-08 21:10:25,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:10:25,129 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 [2024-11-08 21:10:25,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 21:10:25,131 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) [2024-11-08 21:10:25,135 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 [2024-11-08 21:10:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:10:25,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 21:10:25,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 21:10:27,000 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 21:10:27,000 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 21:10:27,000 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 21:10:27,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [181792959] [2024-11-08 21:10:27,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [181792959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:10:27,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:10:27,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 21:10:27,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826224906] [2024-11-08 21:10:27,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:10:27,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 21:10:27,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 21:10:27,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 21:10:27,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:10:27,003 INFO L87 Difference]: Start difference. First operand 71 states and 108 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-08 21:10:30,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 21:10:31,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 21:10:34,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 21:10:35,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:10:35,111 INFO L93 Difference]: Finished difference Result 206 states and 316 transitions. [2024-11-08 21:10:35,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 21:10:35,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 134 [2024-11-08 21:10:35,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:10:35,114 INFO L225 Difference]: With dead ends: 206 [2024-11-08 21:10:35,115 INFO L226 Difference]: Without dead ends: 138 [2024-11-08 21:10:35,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:10:35,116 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 40 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-11-08 21:10:35,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 184 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2024-11-08 21:10:35,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-08 21:10:35,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 135. [2024-11-08 21:10:35,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 94 states have (on average 1.372340425531915) internal successors, (129), 94 states have internal predecessors, (129), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 21:10:35,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 205 transitions. [2024-11-08 21:10:35,132 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 205 transitions. Word has length 134 [2024-11-08 21:10:35,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:10:35,133 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 205 transitions. [2024-11-08 21:10:35,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-08 21:10:35,133 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 205 transitions. [2024-11-08 21:10:35,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 21:10:35,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:10:35,135 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:10:35,151 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 [2024-11-08 21:10:35,335 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 [2024-11-08 21:10:35,336 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:10:35,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:10:35,336 INFO L85 PathProgramCache]: Analyzing trace with hash 792675454, now seen corresponding path program 1 times [2024-11-08 21:10:35,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 21:10:35,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1371766255] [2024-11-08 21:10:35,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:10:35,337 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 [2024-11-08 21:10:35,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 21:10:35,340 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) [2024-11-08 21:10:35,341 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 [2024-11-08 21:10:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:10:35,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 21:10:35,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 21:10:36,175 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-08 21:10:36,176 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 21:10:36,537 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-08 21:10:36,538 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 21:10:36,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1371766255] [2024-11-08 21:10:36,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1371766255] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 21:10:36,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 21:10:36,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-08 21:10:36,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368006522] [2024-11-08 21:10:36,541 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 21:10:36,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 21:10:36,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 21:10:36,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 21:10:36,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 21:10:36,545 INFO L87 Difference]: Start difference. First operand 135 states and 205 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-08 21:10:38,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:10:38,473 INFO L93 Difference]: Finished difference Result 277 states and 413 transitions. [2024-11-08 21:10:38,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 21:10:38,494 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 135 [2024-11-08 21:10:38,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:10:38,495 INFO L225 Difference]: With dead ends: 277 [2024-11-08 21:10:38,496 INFO L226 Difference]: Without dead ends: 145 [2024-11-08 21:10:38,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 262 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-08 21:10:38,500 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 50 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 21:10:38,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 184 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 21:10:38,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-08 21:10:38,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 141. [2024-11-08 21:10:38,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 98 states have (on average 1.2857142857142858) internal successors, (126), 98 states have internal predecessors, (126), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 21:10:38,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 202 transitions. [2024-11-08 21:10:38,524 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 202 transitions. Word has length 135 [2024-11-08 21:10:38,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:10:38,524 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 202 transitions. [2024-11-08 21:10:38,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-08 21:10:38,525 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 202 transitions. [2024-11-08 21:10:38,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 21:10:38,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:10:38,526 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:10:38,543 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 (4)] Ended with exit code 0 [2024-11-08 21:10:38,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2024-11-08 21:10:38,731 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:10:38,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:10:38,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1215377280, now seen corresponding path program 1 times [2024-11-08 21:10:38,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 21:10:38,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1313506881] [2024-11-08 21:10:38,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:10:38,733 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 [2024-11-08 21:10:38,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 21:10:38,741 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2024-11-08 21:10:38,746 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 (5)] Waiting until timeout for monitored process [2024-11-08 21:10:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:10:39,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 21:10:39,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 21:10:40,019 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 104 proven. 99 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-11-08 21:10:40,019 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 21:10:40,643 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 3 proven. 102 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-08 21:10:40,644 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 21:10:40,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1313506881] [2024-11-08 21:10:40,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1313506881] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 21:10:40,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 21:10:40,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2024-11-08 21:10:40,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218156422] [2024-11-08 21:10:40,644 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 21:10:40,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 21:10:40,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 21:10:40,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 21:10:40,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-08 21:10:40,646 INFO L87 Difference]: Start difference. First operand 141 states and 202 transitions. Second operand has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 3 states have call successors, (37), 3 states have call predecessors, (37), 7 states have return successors, (38), 2 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-08 21:10:43,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 21:10:45,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:10:45,610 INFO L93 Difference]: Finished difference Result 439 states and 606 transitions. [2024-11-08 21:10:45,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-08 21:10:45,621 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 3 states have call successors, (37), 3 states have call predecessors, (37), 7 states have return successors, (38), 2 states have call predecessors, (38), 3 states have call successors, (38) Word has length 135 [2024-11-08 21:10:45,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:10:45,623 INFO L225 Difference]: With dead ends: 439 [2024-11-08 21:10:45,623 INFO L226 Difference]: Without dead ends: 301 [2024-11-08 21:10:45,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 259 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=452, Invalid=1188, Unknown=0, NotChecked=0, Total=1640 [2024-11-08 21:10:45,626 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 232 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-08 21:10:45,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 607 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-08 21:10:45,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-08 21:10:45,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 157. [2024-11-08 21:10:45,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 110 states have (on average 1.2181818181818183) internal successors, (134), 110 states have internal predecessors, (134), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 21:10:45,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 210 transitions. [2024-11-08 21:10:45,645 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 210 transitions. Word has length 135 [2024-11-08 21:10:45,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:10:45,646 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 210 transitions. [2024-11-08 21:10:45,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 3 states have call successors, (37), 3 states have call predecessors, (37), 7 states have return successors, (38), 2 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-08 21:10:45,646 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 210 transitions. [2024-11-08 21:10:45,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 21:10:45,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:10:45,647 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:10:45,665 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 (5)] Ended with exit code 0 [2024-11-08 21:10:45,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 [2024-11-08 21:10:45,852 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:10:45,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:10:45,853 INFO L85 PathProgramCache]: Analyzing trace with hash -2068472766, now seen corresponding path program 1 times [2024-11-08 21:10:45,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 21:10:45,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493903108] [2024-11-08 21:10:45,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:10:45,853 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 [2024-11-08 21:10:45,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 21:10:45,856 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2024-11-08 21:10:45,860 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 (6)] Waiting until timeout for monitored process [2024-11-08 21:10:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:10:46,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 21:10:46,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 21:10:46,332 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 21:10:46,333 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 21:10:46,333 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 21:10:46,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493903108] [2024-11-08 21:10:46,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1493903108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:10:46,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:10:46,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 21:10:46,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990510136] [2024-11-08 21:10:46,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:10:46,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 21:10:46,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 21:10:46,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 21:10:46,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:10:46,335 INFO L87 Difference]: Start difference. First operand 157 states and 210 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-08 21:10:53,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 21:10:54,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:10:54,637 INFO L93 Difference]: Finished difference Result 315 states and 424 transitions. [2024-11-08 21:10:54,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 21:10:54,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 135 [2024-11-08 21:10:54,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:10:54,652 INFO L225 Difference]: With dead ends: 315 [2024-11-08 21:10:54,652 INFO L226 Difference]: Without dead ends: 236 [2024-11-08 21:10:54,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:10:54,654 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 85 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-08 21:10:54,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 272 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2024-11-08 21:10:54,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-08 21:10:54,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2024-11-08 21:10:54,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 163 states have (on average 1.2208588957055215) internal successors, (199), 163 states have internal predecessors, (199), 57 states have call successors, (57), 12 states have call predecessors, (57), 12 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-08 21:10:54,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 313 transitions. [2024-11-08 21:10:54,678 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 313 transitions. Word has length 135 [2024-11-08 21:10:54,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:10:54,679 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 313 transitions. [2024-11-08 21:10:54,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-08 21:10:54,679 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 313 transitions. [2024-11-08 21:10:54,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 21:10:54,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:10:54,681 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:10:54,700 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 (6)] Ended with exit code 0 [2024-11-08 21:10:54,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 [2024-11-08 21:10:54,882 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:10:54,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:10:54,882 INFO L85 PathProgramCache]: Analyzing trace with hash 537550788, now seen corresponding path program 1 times [2024-11-08 21:10:54,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 21:10:54,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [576366847] [2024-11-08 21:10:54,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:10:54,883 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 [2024-11-08 21:10:54,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 21:10:54,884 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2024-11-08 21:10:54,886 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 (7)] Waiting until timeout for monitored process [2024-11-08 21:10:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:10:55,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 21:10:55,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 21:10:57,183 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 360 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-08 21:10:57,183 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 21:10:57,701 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-08 21:10:57,701 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 21:10:57,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [576366847] [2024-11-08 21:10:57,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [576366847] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 21:10:57,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 21:10:57,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-08 21:10:57,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547304964] [2024-11-08 21:10:57,705 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 21:10:57,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 21:10:57,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 21:10:57,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 21:10:57,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-08 21:10:57,706 INFO L87 Difference]: Start difference. First operand 233 states and 313 transitions. Second operand has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2024-11-08 21:11:02,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 21:11:04,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 21:11:04,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:11:04,810 INFO L93 Difference]: Finished difference Result 481 states and 638 transitions. [2024-11-08 21:11:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 21:11:04,836 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 135 [2024-11-08 21:11:04,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:11:04,838 INFO L225 Difference]: With dead ends: 481 [2024-11-08 21:11:04,838 INFO L226 Difference]: Without dead ends: 251 [2024-11-08 21:11:04,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2024-11-08 21:11:04,839 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 193 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2024-11-08 21:11:04,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 140 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2024-11-08 21:11:04,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-08 21:11:04,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 245. [2024-11-08 21:11:04,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 172 states have (on average 1.186046511627907) internal successors, (204), 172 states have internal predecessors, (204), 57 states have call successors, (57), 15 states have call predecessors, (57), 15 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-08 21:11:04,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 318 transitions. [2024-11-08 21:11:04,874 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 318 transitions. Word has length 135 [2024-11-08 21:11:04,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:11:04,875 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 318 transitions. [2024-11-08 21:11:04,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 11 states have internal predecessors, (87), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2024-11-08 21:11:04,876 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 318 transitions. [2024-11-08 21:11:04,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 21:11:04,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:11:04,877 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:11:04,897 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 (7)] Forceful destruction successful, exit code 0 [2024-11-08 21:11:05,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 [2024-11-08 21:11:05,079 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:11:05,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:11:05,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1081951671, now seen corresponding path program 1 times [2024-11-08 21:11:05,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 21:11:05,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [490531116] [2024-11-08 21:11:05,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:11:05,080 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 [2024-11-08 21:11:05,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 21:11:05,083 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2024-11-08 21:11:05,083 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 (8)] Waiting until timeout for monitored process [2024-11-08 21:11:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:11:05,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 21:11:05,503 INFO L278 TraceCheckSpWp]: Computing forward predicates...