./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.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 59a501260da967ec7da4156f518c44b77b2b3a1718cb97e1e20f43e883a3b147 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 22:03:09,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 22:03:09,963 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 22:03:09,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 22:03:09,970 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 22:03:09,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 22:03:10,000 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 22:03:10,000 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 22:03:10,001 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 22:03:10,002 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 22:03:10,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 22:03:10,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 22:03:10,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 22:03:10,004 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 22:03:10,006 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 22:03:10,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 22:03:10,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 22:03:10,007 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 22:03:10,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 22:03:10,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 22:03:10,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 22:03:10,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 22:03:10,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 22:03:10,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 22:03:10,009 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 22:03:10,010 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 22:03:10,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 22:03:10,010 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 22:03:10,011 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 22:03:10,011 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 22:03:10,011 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 22:03:10,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 22:03:10,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:03:10,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 22:03:10,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 22:03:10,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 22:03:10,014 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 22:03:10,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 22:03:10,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 22:03:10,015 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 22:03:10,015 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 22:03:10,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 22:03:10,016 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59a501260da967ec7da4156f518c44b77b2b3a1718cb97e1e20f43e883a3b147 [2024-11-18 22:03:10,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 22:03:10,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 22:03:10,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 22:03:10,315 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 22:03:10,315 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 22:03:10,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i [2024-11-18 22:03:11,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 22:03:11,982 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 22:03:11,986 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i [2024-11-18 22:03:11,996 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e00522ef/d8028aa9fa4849e1b92d37c182a99e87/FLAGa449faf5e [2024-11-18 22:03:12,381 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e00522ef/d8028aa9fa4849e1b92d37c182a99e87 [2024-11-18 22:03:12,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 22:03:12,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 22:03:12,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 22:03:12,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 22:03:12,394 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 22:03:12,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:03:12" (1/1) ... [2024-11-18 22:03:12,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b47b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:12, skipping insertion in model container [2024-11-18 22:03:12,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:03:12" (1/1) ... [2024-11-18 22:03:12,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 22:03:12,611 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_floatingpointinfluence_has-floats_file-53.i[917,930] [2024-11-18 22:03:12,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:03:12,681 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 22:03:12,692 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_floatingpointinfluence_has-floats_file-53.i[917,930] [2024-11-18 22:03:12,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:03:12,741 INFO L204 MainTranslator]: Completed translation [2024-11-18 22:03:12,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:12 WrapperNode [2024-11-18 22:03:12,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 22:03:12,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 22:03:12,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 22:03:12,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 22:03:12,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:12" (1/1) ... [2024-11-18 22:03:12,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:12" (1/1) ... [2024-11-18 22:03:12,792 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-11-18 22:03:12,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 22:03:12,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 22:03:12,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 22:03:12,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 22:03:12,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:12" (1/1) ... [2024-11-18 22:03:12,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:12" (1/1) ... [2024-11-18 22:03:12,809 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:12" (1/1) ... [2024-11-18 22:03:12,823 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 22:03:12,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:12" (1/1) ... [2024-11-18 22:03:12,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:12" (1/1) ... [2024-11-18 22:03:12,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:12" (1/1) ... [2024-11-18 22:03:12,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:12" (1/1) ... [2024-11-18 22:03:12,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:12" (1/1) ... [2024-11-18 22:03:12,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:12" (1/1) ... [2024-11-18 22:03:12,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 22:03:12,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 22:03:12,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 22:03:12,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 22:03:12,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:12" (1/1) ... [2024-11-18 22:03:12,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:03:12,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:03:12,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 22:03:12,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 22:03:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 22:03:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 22:03:12,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 22:03:12,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 22:03:12,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 22:03:12,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 22:03:13,047 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 22:03:13,050 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 22:03:13,321 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-18 22:03:13,322 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 22:03:13,338 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 22:03:13,339 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 22:03:13,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:03:13 BoogieIcfgContainer [2024-11-18 22:03:13,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 22:03:13,342 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 22:03:13,342 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 22:03:13,346 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 22:03:13,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:03:12" (1/3) ... [2024-11-18 22:03:13,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d90cedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:03:13, skipping insertion in model container [2024-11-18 22:03:13,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:12" (2/3) ... [2024-11-18 22:03:13,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d90cedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:03:13, skipping insertion in model container [2024-11-18 22:03:13,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:03:13" (3/3) ... [2024-11-18 22:03:13,349 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-53.i [2024-11-18 22:03:13,363 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 22:03:13,363 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 22:03:13,426 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 22:03:13,433 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;@760e4b3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 22:03:13,433 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 22:03:13,438 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-18 22:03:13,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-18 22:03:13,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:03:13,450 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:03:13,450 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:03:13,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:03:13,454 INFO L85 PathProgramCache]: Analyzing trace with hash -678885089, now seen corresponding path program 1 times [2024-11-18 22:03:13,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 22:03:13,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276074872] [2024-11-18 22:03:13,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:03:13,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 22:03:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:03:13,722 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-18 22:03:13,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 22:03:13,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276074872] [2024-11-18 22:03:13,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276074872] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 22:03:13,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657962753] [2024-11-18 22:03:13,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:03:13,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 22:03:13,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:03:13,727 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 22:03:13,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 22:03:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:03:13,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 22:03:13,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 22:03:13,933 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-18 22:03:13,934 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 22:03:13,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657962753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 22:03:13,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 22:03:13,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 22:03:13,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823902586] [2024-11-18 22:03:13,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 22:03:13,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 22:03:13,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 22:03:13,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 22:03:13,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 22:03:13,968 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 22:03:13,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 22:03:13,994 INFO L93 Difference]: Finished difference Result 101 states and 172 transitions. [2024-11-18 22:03:13,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 22:03:13,996 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2024-11-18 22:03:13,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 22:03:14,004 INFO L225 Difference]: With dead ends: 101 [2024-11-18 22:03:14,004 INFO L226 Difference]: Without dead ends: 50 [2024-11-18 22:03:14,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 22:03:14,010 INFO L432 NwaCegarLoop]: 73 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, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 22:03:14,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 22:03:14,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-18 22:03:14,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-18 22:03:14,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-18 22:03:14,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2024-11-18 22:03:14,051 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 113 [2024-11-18 22:03:14,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 22:03:14,051 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2024-11-18 22:03:14,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 22:03:14,052 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2024-11-18 22:03:14,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-18 22:03:14,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:03:14,057 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:03:14,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 22:03:14,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 22:03:14,262 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:03:14,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:03:14,263 INFO L85 PathProgramCache]: Analyzing trace with hash 10989083, now seen corresponding path program 1 times [2024-11-18 22:03:14,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 22:03:14,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016420824] [2024-11-18 22:03:14,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:03:14,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 22:03:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:03:15,810 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 3 proven. 93 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-11-18 22:03:15,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 22:03:15,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016420824] [2024-11-18 22:03:15,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016420824] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 22:03:15,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122115915] [2024-11-18 22:03:15,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:03:15,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 22:03:15,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:03:15,816 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 22:03:15,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 22:03:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:03:15,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-18 22:03:15,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 22:03:17,590 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 182 proven. 153 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-11-18 22:03:17,590 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 22:03:19,071 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 156 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-18 22:03:19,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122115915] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 22:03:19,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 22:03:19,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 17, 15] total 37 [2024-11-18 22:03:19,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639548332] [2024-11-18 22:03:19,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 22:03:19,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-18 22:03:19,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 22:03:19,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-18 22:03:19,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=949, Unknown=0, NotChecked=0, Total=1332 [2024-11-18 22:03:19,081 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 37 states, 35 states have (on average 2.857142857142857) internal successors, (100), 33 states have internal predecessors, (100), 13 states have call successors, (54), 6 states have call predecessors, (54), 13 states have return successors, (54), 10 states have call predecessors, (54), 13 states have call successors, (54) [2024-11-18 22:03:20,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 22:03:20,249 INFO L93 Difference]: Finished difference Result 188 states and 256 transitions. [2024-11-18 22:03:20,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-18 22:03:20,251 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 35 states have (on average 2.857142857142857) internal successors, (100), 33 states have internal predecessors, (100), 13 states have call successors, (54), 6 states have call predecessors, (54), 13 states have return successors, (54), 10 states have call predecessors, (54), 13 states have call successors, (54) Word has length 113 [2024-11-18 22:03:20,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 22:03:20,253 INFO L225 Difference]: With dead ends: 188 [2024-11-18 22:03:20,255 INFO L226 Difference]: Without dead ends: 141 [2024-11-18 22:03:20,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=672, Invalid=1680, Unknown=0, NotChecked=0, Total=2352 [2024-11-18 22:03:20,259 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 251 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-18 22:03:20,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 472 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-18 22:03:20,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-18 22:03:20,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 122. [2024-11-18 22:03:20,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 77 states have (on average 1.1818181818181819) internal successors, (91), 77 states have internal predecessors, (91), 36 states have call successors, (36), 8 states have call predecessors, (36), 8 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-18 22:03:20,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 163 transitions. [2024-11-18 22:03:20,295 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 163 transitions. Word has length 113 [2024-11-18 22:03:20,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 22:03:20,295 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 163 transitions. [2024-11-18 22:03:20,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 35 states have (on average 2.857142857142857) internal successors, (100), 33 states have internal predecessors, (100), 13 states have call successors, (54), 6 states have call predecessors, (54), 13 states have return successors, (54), 10 states have call predecessors, (54), 13 states have call successors, (54) [2024-11-18 22:03:20,296 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 163 transitions. [2024-11-18 22:03:20,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-18 22:03:20,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:03:20,298 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:03:20,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-18 22:03:20,499 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,SelfDestructingSolverStorable1 [2024-11-18 22:03:20,499 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:03:20,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:03:20,500 INFO L85 PathProgramCache]: Analyzing trace with hash -236601490, now seen corresponding path program 1 times [2024-11-18 22:03:20,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 22:03:20,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938582904] [2024-11-18 22:03:20,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:03:20,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 22:03:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:03:21,016 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 84 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2024-11-18 22:03:21,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 22:03:21,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938582904] [2024-11-18 22:03:21,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938582904] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 22:03:21,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311954893] [2024-11-18 22:03:21,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:03:21,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 22:03:21,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:03:21,020 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 22:03:21,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-18 22:03:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:03:21,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-18 22:03:21,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 22:03:21,989 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 379 proven. 120 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-18 22:03:21,989 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 22:03:23,300 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 93 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-18 22:03:23,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311954893] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 22:03:23,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 22:03:23,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 14, 11] total 26 [2024-11-18 22:03:23,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513717471] [2024-11-18 22:03:23,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 22:03:23,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-18 22:03:23,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 22:03:23,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-18 22:03:23,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2024-11-18 22:03:23,307 INFO L87 Difference]: Start difference. First operand 122 states and 163 transitions. Second operand has 26 states, 26 states have (on average 2.9615384615384617) internal successors, (77), 25 states have internal predecessors, (77), 11 states have call successors, (47), 5 states have call predecessors, (47), 11 states have return successors, (49), 11 states have call predecessors, (49), 11 states have call successors, (49) [2024-11-18 22:03:24,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 22:03:24,061 INFO L93 Difference]: Finished difference Result 271 states and 341 transitions. [2024-11-18 22:03:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-18 22:03:24,062 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.9615384615384617) internal successors, (77), 25 states have internal predecessors, (77), 11 states have call successors, (47), 5 states have call predecessors, (47), 11 states have return successors, (49), 11 states have call predecessors, (49), 11 states have call successors, (49) Word has length 114 [2024-11-18 22:03:24,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 22:03:24,066 INFO L225 Difference]: With dead ends: 271 [2024-11-18 22:03:24,066 INFO L226 Difference]: Without dead ends: 152 [2024-11-18 22:03:24,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=359, Invalid=831, Unknown=0, NotChecked=0, Total=1190 [2024-11-18 22:03:24,070 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 94 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 22:03:24,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 172 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 22:03:24,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-18 22:03:24,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 140. [2024-11-18 22:03:24,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 88 states have (on average 1.0795454545454546) internal successors, (95), 88 states have internal predecessors, (95), 36 states have call successors, (36), 15 states have call predecessors, (36), 15 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-18 22:03:24,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 167 transitions. [2024-11-18 22:03:24,107 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 167 transitions. Word has length 114 [2024-11-18 22:03:24,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 22:03:24,108 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 167 transitions. [2024-11-18 22:03:24,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.9615384615384617) internal successors, (77), 25 states have internal predecessors, (77), 11 states have call successors, (47), 5 states have call predecessors, (47), 11 states have return successors, (49), 11 states have call predecessors, (49), 11 states have call successors, (49) [2024-11-18 22:03:24,109 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 167 transitions. [2024-11-18 22:03:24,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-18 22:03:24,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:03:24,113 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:03:24,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-18 22:03:24,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 22:03:24,317 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:03:24,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:03:24,318 INFO L85 PathProgramCache]: Analyzing trace with hash -916659860, now seen corresponding path program 1 times [2024-11-18 22:03:24,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 22:03:24,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058400987] [2024-11-18 22:03:24,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:03:24,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 22:03:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 22:03:24,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 22:03:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 22:03:24,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 22:03:24,480 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 22:03:24,481 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 22:03:24,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 22:03:24,485 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-18 22:03:24,586 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 22:03:24,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:03:24 BoogieIcfgContainer [2024-11-18 22:03:24,590 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 22:03:24,591 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 22:03:24,591 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 22:03:24,591 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 22:03:24,592 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:03:13" (3/4) ... [2024-11-18 22:03:24,594 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 22:03:24,595 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 22:03:24,596 INFO L158 Benchmark]: Toolchain (without parser) took 12210.52ms. Allocated memory was 159.4MB in the beginning and 318.8MB in the end (delta: 159.4MB). Free memory was 102.7MB in the beginning and 270.9MB in the end (delta: -168.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 22:03:24,596 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 22:03:24,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.58ms. Allocated memory is still 159.4MB. Free memory was 102.7MB in the beginning and 87.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-18 22:03:24,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.66ms. Allocated memory is still 159.4MB. Free memory was 87.5MB in the beginning and 85.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 22:03:24,597 INFO L158 Benchmark]: Boogie Preprocessor took 61.72ms. Allocated memory is still 159.4MB. Free memory was 84.6MB in the beginning and 81.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 22:03:24,597 INFO L158 Benchmark]: RCFGBuilder took 483.24ms. Allocated memory is still 159.4MB. Free memory was 81.2MB in the beginning and 125.6MB in the end (delta: -44.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-11-18 22:03:24,597 INFO L158 Benchmark]: TraceAbstraction took 11248.63ms. Allocated memory was 159.4MB in the beginning and 318.8MB in the end (delta: 159.4MB). Free memory was 125.2MB in the beginning and 270.9MB in the end (delta: -145.8MB). Peak memory consumption was 184.1MB. Max. memory is 16.1GB. [2024-11-18 22:03:24,597 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 318.8MB. Free memory is still 270.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 22:03:24,599 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.58ms. Allocated memory is still 159.4MB. Free memory was 102.7MB in the beginning and 87.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.66ms. Allocated memory is still 159.4MB. Free memory was 87.5MB in the beginning and 85.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.72ms. Allocated memory is still 159.4MB. Free memory was 84.6MB in the beginning and 81.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 483.24ms. Allocated memory is still 159.4MB. Free memory was 81.2MB in the beginning and 125.6MB in the end (delta: -44.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * TraceAbstraction took 11248.63ms. Allocated memory was 159.4MB in the beginning and 318.8MB in the end (delta: 159.4MB). Free memory was 125.2MB in the beginning and 270.9MB in the end (delta: -145.8MB). Peak memory consumption was 184.1MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 318.8MB. Free memory is still 270.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 99. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 5; [L23] unsigned long int var_1_3 = 1456677701; [L24] unsigned long int var_1_4 = 1000000000; [L25] unsigned long int var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 0; [L29] double var_1_9 = 256.5; [L30] double var_1_10 = 8.8; [L31] unsigned char var_1_11 = 1; [L32] unsigned short int var_1_12 = 16; [L33] unsigned long int var_1_13 = 3110219175; [L34] unsigned short int var_1_14 = 128; [L35] unsigned char var_1_15 = 1; [L36] unsigned char var_1_16 = 0; VAL [isInitial=0, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L103] isInitial = 1 [L104] FCALL initially() [L105] COND TRUE 1 [L106] FCALL updateLastVariables() [L107] CALL updateVariables() [L67] var_1_3 = __VERIFIER_nondet_ulong() [L68] CALL assume_abort_if_not(var_1_3 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L68] RET assume_abort_if_not(var_1_3 >= 1073741823) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L69] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L69] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L70] var_1_4 = __VERIFIER_nondet_ulong() [L71] CALL assume_abort_if_not(var_1_4 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L71] RET assume_abort_if_not(var_1_4 >= 536870911) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L72] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L72] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L73] var_1_5 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L74] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L75] CALL assume_abort_if_not(var_1_5 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L75] RET assume_abort_if_not(var_1_5 <= 536870911) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=513/2] [L76] var_1_7 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_8=0, var_1_9=513/2] [L77] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_8=0, var_1_9=513/2] [L78] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=513/2] [L78] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=513/2] [L79] var_1_9 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L80] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=44/5, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L81] var_1_10 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L82] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L83] var_1_11 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L84] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L85] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L85] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L86] var_1_13 = __VERIFIER_nondet_ulong() [L87] CALL assume_abort_if_not(var_1_13 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L87] RET assume_abort_if_not(var_1_13 >= 2147483647) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L88] CALL assume_abort_if_not(var_1_13 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L88] RET assume_abort_if_not(var_1_13 <= 4294967295) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L89] var_1_14 = __VERIFIER_nondet_ushort() [L90] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L90] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L91] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L91] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L92] var_1_16 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L93] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L94] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L94] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0] [L107] RET updateVariables() [L108] CALL step() [L40] var_1_6 = var_1_7 VAL [isInitial=1, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L41] COND TRUE var_1_5 <= (var_1_13 - var_1_4) [L42] var_1_12 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) VAL [isInitial=1, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L44] COND TRUE (var_1_9 * 16.5f) > var_1_10 [L45] var_1_15 = (! var_1_11) VAL [isInitial=1, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=5, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L49] var_1_1 = (var_1_12 + (var_1_3 - (var_1_4 - var_1_12))) [L50] signed long int stepLocal_1 = (((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12)); [L51] unsigned long int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=1073741823, stepLocal_1=0, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=-4294967296, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L52] COND TRUE stepLocal_1 != ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3))) VAL [isInitial=1, stepLocal_0=1073741823, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=-4294967296, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L53] COND FALSE !(var_1_9 == var_1_10) VAL [isInitial=1, stepLocal_0=1073741823, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=-4294967296, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L108] RET step() [L109] CALL, EXPR property() [L99-L100] return ((((var_1_1 == ((unsigned long int) (var_1_12 + (var_1_3 - (var_1_4 - var_1_12))))) && (var_1_6 == ((unsigned char) var_1_7))) && ((((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12))) != ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)))) ? ((var_1_9 == var_1_10) ? (var_1_6 ? ((var_1_3 >= var_1_12) ? (var_1_8 == ((unsigned char) (var_1_7 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_7))) : 1) : 1) : (var_1_8 == ((unsigned char) var_1_11)))) && ((var_1_5 <= (var_1_13 - var_1_4)) ? (var_1_12 == ((unsigned short int) ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))) : 1)) && (((var_1_9 * 16.5f) > var_1_10) ? (var_1_15 == ((unsigned char) (! var_1_11))) : (var_1_15 == ((unsigned char) (var_1_11 && var_1_16)))) ; VAL [\result=0, isInitial=1, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=-4294967296, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=-4294967296, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686007689969665), var_1_14=0, var_1_15=0, var_1_16=1, var_1_1=-4294967296, var_1_3=1073741823, var_1_4=5368709119, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.1s, OverallIterations: 4, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 355 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 345 mSDsluCounter, 717 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 544 mSDsCounter, 213 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1046 IncrementalHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 213 mSolverCounterUnsat, 173 mSDtfsCounter, 1046 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 610 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=3, InterpolantAutomatonStates: 57, 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, 31 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 794 NumberOfCodeBlocks, 794 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 899 ConstructedInterpolants, 0 QuantifiedInterpolants, 7176 SizeOfPredicates, 11 NumberOfNonLiveVariables, 772 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 4163/4896 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-18 22:03:24,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.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 59a501260da967ec7da4156f518c44b77b2b3a1718cb97e1e20f43e883a3b147 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 22:03:26,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 22:03:26,929 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 22:03:26,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 22:03:26,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 22:03:26,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 22:03:26,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 22:03:26,971 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 22:03:26,972 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 22:03:26,973 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 22:03:26,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 22:03:26,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 22:03:26,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 22:03:26,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 22:03:26,976 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 22:03:26,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 22:03:26,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 22:03:26,977 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 22:03:26,977 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 22:03:26,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 22:03:26,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 22:03:26,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 22:03:26,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 22:03:26,981 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 22:03:26,981 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 22:03:26,981 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 22:03:26,981 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 22:03:26,982 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 22:03:26,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 22:03:26,982 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 22:03:26,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 22:03:26,983 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 22:03:26,983 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 22:03:26,983 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 22:03:26,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:03:26,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 22:03:26,989 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 22:03:26,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 22:03:26,990 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 22:03:26,990 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 22:03:26,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 22:03:26,991 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 22:03:26,991 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 22:03:26,991 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 22:03:26,991 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59a501260da967ec7da4156f518c44b77b2b3a1718cb97e1e20f43e883a3b147 [2024-11-18 22:03:27,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 22:03:27,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 22:03:27,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 22:03:27,306 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 22:03:27,306 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 22:03:27,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i [2024-11-18 22:03:28,862 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 22:03:29,071 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 22:03:29,071 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-53.i [2024-11-18 22:03:29,086 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/719bd46e6/12afb94aa7a243aba5bc4d1bf77793ee/FLAG500dff252 [2024-11-18 22:03:29,106 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/719bd46e6/12afb94aa7a243aba5bc4d1bf77793ee [2024-11-18 22:03:29,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 22:03:29,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 22:03:29,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 22:03:29,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 22:03:29,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 22:03:29,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:03:29" (1/1) ... [2024-11-18 22:03:29,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b924f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:29, skipping insertion in model container [2024-11-18 22:03:29,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:03:29" (1/1) ... [2024-11-18 22:03:29,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 22:03:29,332 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_floatingpointinfluence_has-floats_file-53.i[917,930] [2024-11-18 22:03:29,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:03:29,413 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 22:03:29,426 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_floatingpointinfluence_has-floats_file-53.i[917,930] [2024-11-18 22:03:29,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:03:29,464 INFO L204 MainTranslator]: Completed translation [2024-11-18 22:03:29,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:29 WrapperNode [2024-11-18 22:03:29,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 22:03:29,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 22:03:29,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 22:03:29,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 22:03:29,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:29" (1/1) ... [2024-11-18 22:03:29,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:29" (1/1) ... [2024-11-18 22:03:29,503 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-11-18 22:03:29,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 22:03:29,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 22:03:29,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 22:03:29,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 22:03:29,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:29" (1/1) ... [2024-11-18 22:03:29,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:29" (1/1) ... [2024-11-18 22:03:29,519 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:29" (1/1) ... [2024-11-18 22:03:29,547 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 22:03:29,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:29" (1/1) ... [2024-11-18 22:03:29,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:29" (1/1) ... [2024-11-18 22:03:29,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:29" (1/1) ... [2024-11-18 22:03:29,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:29" (1/1) ... [2024-11-18 22:03:29,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:29" (1/1) ... [2024-11-18 22:03:29,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:29" (1/1) ... [2024-11-18 22:03:29,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 22:03:29,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 22:03:29,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 22:03:29,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 22:03:29,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:29" (1/1) ... [2024-11-18 22:03:29,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:03:29,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:03:29,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 22:03:29,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 22:03:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 22:03:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 22:03:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 22:03:29,654 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 22:03:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 22:03:29,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 22:03:29,721 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 22:03:29,724 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 22:03:30,284 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-18 22:03:30,284 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 22:03:30,301 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 22:03:30,301 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 22:03:30,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:03:30 BoogieIcfgContainer [2024-11-18 22:03:30,304 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 22:03:30,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 22:03:30,309 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 22:03:30,312 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 22:03:30,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:03:29" (1/3) ... [2024-11-18 22:03:30,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a9a6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:03:30, skipping insertion in model container [2024-11-18 22:03:30,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:29" (2/3) ... [2024-11-18 22:03:30,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a9a6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:03:30, skipping insertion in model container [2024-11-18 22:03:30,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:03:30" (3/3) ... [2024-11-18 22:03:30,317 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-53.i [2024-11-18 22:03:30,334 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 22:03:30,334 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 22:03:30,406 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 22:03:30,413 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;@786702f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 22:03:30,414 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 22:03:30,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-18 22:03:30,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-18 22:03:30,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:03:30,432 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:03:30,432 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:03:30,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:03:30,439 INFO L85 PathProgramCache]: Analyzing trace with hash -678885089, now seen corresponding path program 1 times [2024-11-18 22:03:30,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 22:03:30,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [660705712] [2024-11-18 22:03:30,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:03:30,455 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 22:03:30,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 22:03:30,458 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 22:03:30,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-18 22:03:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:03:30,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 22:03:30,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 22:03:30,746 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-18 22:03:30,747 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 22:03:30,747 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 22:03:30,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [660705712] [2024-11-18 22:03:30,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [660705712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 22:03:30,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 22:03:30,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 22:03:30,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394616581] [2024-11-18 22:03:30,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 22:03:30,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 22:03:30,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 22:03:30,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 22:03:30,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 22:03:30,777 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 22:03:30,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 22:03:30,810 INFO L93 Difference]: Finished difference Result 101 states and 172 transitions. [2024-11-18 22:03:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 22:03:30,814 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2024-11-18 22:03:30,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 22:03:30,823 INFO L225 Difference]: With dead ends: 101 [2024-11-18 22:03:30,823 INFO L226 Difference]: Without dead ends: 50 [2024-11-18 22:03:30,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 22:03:30,831 INFO L432 NwaCegarLoop]: 73 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, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 22:03:30,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 22:03:30,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-18 22:03:30,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-18 22:03:30,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-18 22:03:30,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2024-11-18 22:03:30,882 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 113 [2024-11-18 22:03:30,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 22:03:30,883 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2024-11-18 22:03:30,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-18 22:03:30,884 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2024-11-18 22:03:30,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-18 22:03:30,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:03:30,887 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:03:30,897 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 (2)] Forceful destruction successful, exit code 0 [2024-11-18 22:03:31,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 22:03:31,088 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:03:31,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:03:31,090 INFO L85 PathProgramCache]: Analyzing trace with hash 10989083, now seen corresponding path program 1 times [2024-11-18 22:03:31,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 22:03:31,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1012380966] [2024-11-18 22:03:31,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:03:31,091 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 22:03:31,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 22:03:31,095 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 22:03:31,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-18 22:03:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:03:31,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-18 22:03:31,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 22:03:32,761 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 80 proven. 168 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-18 22:03:32,762 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 22:03:33,007 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 22:03:33,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1012380966] [2024-11-18 22:03:33,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1012380966] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 22:03:33,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [752799245] [2024-11-18 22:03:33,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:03:33,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-18 22:03:33,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-18 22:03:33,012 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-18 22:03:33,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-18 22:03:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:03:33,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-18 22:03:33,490 INFO L278 TraceCheckSpWp]: Computing forward predicates...